./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:16:49,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:16:49,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:16:49,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:16:49,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:16:49,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:16:49,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:16:49,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:16:49,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:16:50,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:16:50,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:16:50,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:16:50,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:16:50,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:16:50,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:16:50,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:16:50,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:16:50,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:16:50,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:16:50,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:16:50,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:16:50,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:16:50,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:16:50,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:16:50,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:16:50,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:16:50,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:16:50,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:16:50,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:16:50,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:16:50,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:16:50,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:16:50,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:16:50,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:16:50,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:16:50,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:16:50,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:16:50,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:16:50,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:16:50,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:16:50,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:16:50,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:16:50,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:16:50,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:16:50,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:16:50,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:16:50,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:16:50,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:16:50,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:16:50,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:16:50,124 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:16:50,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:16:50,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:16:50,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:16:50,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:16:50,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:16:50,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:16:50,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:16:50,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:16:50,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:16:50,127 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:16:50,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:16:50,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:16:50,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:16:50,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:16:50,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:16:50,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:16:50,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:16:50,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:50,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:16:50,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:16:50,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:16:50,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:16:50,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:16:50,131 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:16:50,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:16:50,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:16:50,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2022-11-16 11:16:50,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:16:50,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:16:50,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:16:50,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:16:50,555 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:16:50,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-11-16 11:16:50,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/data/d2cf405e0/708126ef53904e0f8a922dc10289bbc1/FLAGb0e57ad8c [2022-11-16 11:16:51,257 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:16:51,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-11-16 11:16:51,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/data/d2cf405e0/708126ef53904e0f8a922dc10289bbc1/FLAGb0e57ad8c [2022-11-16 11:16:51,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/data/d2cf405e0/708126ef53904e0f8a922dc10289bbc1 [2022-11-16 11:16:51,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:16:51,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:16:51,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:51,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:16:51,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:16:51,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:51,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d042ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51, skipping insertion in model container [2022-11-16 11:16:51,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:51,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:16:51,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:16:51,888 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-11-16 11:16:51,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:51,902 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:16:51,945 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-11-16 11:16:51,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:51,990 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:16:51,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51 WrapperNode [2022-11-16 11:16:51,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:51,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:51,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:16:51,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:16:52,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,066 INFO L138 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 495 [2022-11-16 11:16:52,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:52,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:16:52,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:16:52,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:16:52,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:16:52,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:16:52,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:16:52,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:16:52,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (1/1) ... [2022-11-16 11:16:52,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:52,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:16:52,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:16:52,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:16:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:16:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:16:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:16:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:16:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:16:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:16:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:16:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:16:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:16:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:16:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 11:16:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 11:16:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:16:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:16:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:16:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:16:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:16:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:16:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:16:52,251 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:16:52,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:16:52,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:16:53,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:16:54,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:16:54,181 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 11:16:54,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:54 BoogieIcfgContainer [2022-11-16 11:16:54,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:16:54,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:16:54,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:16:54,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:16:54,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:16:51" (1/3) ... [2022-11-16 11:16:54,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c67aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:16:54, skipping insertion in model container [2022-11-16 11:16:54,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:51" (2/3) ... [2022-11-16 11:16:54,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c67aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:16:54, skipping insertion in model container [2022-11-16 11:16:54,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:54" (3/3) ... [2022-11-16 11:16:54,197 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2022-11-16 11:16:54,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:16:54,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:16:54,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-16 11:16:54,219 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:16:54,446 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-16 11:16:54,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 400 transitions, 832 flow [2022-11-16 11:16:54,662 INFO L130 PetriNetUnfolder]: 18/396 cut-off events. [2022-11-16 11:16:54,665 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:16:54,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 396 events. 18/396 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 459 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 333. Up to 3 conditions per place. [2022-11-16 11:16:54,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 400 transitions, 832 flow [2022-11-16 11:16:54,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 370 places, 374 transitions, 772 flow [2022-11-16 11:16:54,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:16:54,723 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;@258ff072, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:16:54,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2022-11-16 11:16:54,739 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-11-16 11:16:54,739 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:16:54,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:54,741 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:54,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:54,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:54,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1887206184, now seen corresponding path program 1 times [2022-11-16 11:16:54,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:54,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3160906] [2022-11-16 11:16:54,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:54,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:55,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:55,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3160906] [2022-11-16 11:16:55,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3160906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:55,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:55,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:55,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535355617] [2022-11-16 11:16:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:55,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:55,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:55,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:55,137 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 400 [2022-11-16 11:16:55,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 374 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:55,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:55,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 400 [2022-11-16 11:16:55,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:56,299 INFO L130 PetriNetUnfolder]: 1092/2414 cut-off events. [2022-11-16 11:16:56,300 INFO L131 PetriNetUnfolder]: For 316/419 co-relation queries the response was YES. [2022-11-16 11:16:56,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4317 conditions, 2414 events. 1092/2414 cut-off events. For 316/419 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 15223 event pairs, 886 based on Foata normal form. 262/2436 useless extension candidates. Maximal degree in co-relation 3937. Up to 1531 conditions per place. [2022-11-16 11:16:56,328 INFO L137 encePairwiseOnDemand]: 338/400 looper letters, 32 selfloop transitions, 2 changer transitions 6/314 dead transitions. [2022-11-16 11:16:56,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 314 transitions, 720 flow [2022-11-16 11:16:56,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:56,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2022-11-16 11:16:56,352 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8383333333333334 [2022-11-16 11:16:56,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1006 transitions. [2022-11-16 11:16:56,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1006 transitions. [2022-11-16 11:16:56,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:56,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1006 transitions. [2022-11-16 11:16:56,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:56,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:56,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:56,425 INFO L175 Difference]: Start difference. First operand has 370 places, 374 transitions, 772 flow. Second operand 3 states and 1006 transitions. [2022-11-16 11:16:56,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 314 transitions, 720 flow [2022-11-16 11:16:56,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 314 transitions, 704 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-16 11:16:56,451 INFO L231 Difference]: Finished difference. Result has 315 places, 308 transitions, 628 flow [2022-11-16 11:16:56,454 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=315, PETRI_TRANSITIONS=308} [2022-11-16 11:16:56,462 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -55 predicate places. [2022-11-16 11:16:56,464 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 308 transitions, 628 flow [2022-11-16 11:16:56,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:56,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:56,466 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:56,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:16:56,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:56,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:56,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1672077060, now seen corresponding path program 1 times [2022-11-16 11:16:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:56,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85824004] [2022-11-16 11:16:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:56,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:56,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85824004] [2022-11-16 11:16:56,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85824004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:56,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:56,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:56,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081387355] [2022-11-16 11:16:56,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:56,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:56,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:56,601 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 400 [2022-11-16 11:16:56,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 308 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:56,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:56,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 400 [2022-11-16 11:16:56,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:57,408 INFO L130 PetriNetUnfolder]: 921/2093 cut-off events. [2022-11-16 11:16:57,408 INFO L131 PetriNetUnfolder]: For 52/136 co-relation queries the response was YES. [2022-11-16 11:16:57,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3519 conditions, 2093 events. 921/2093 cut-off events. For 52/136 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 12824 event pairs, 743 based on Foata normal form. 0/1942 useless extension candidates. Maximal degree in co-relation 3477. Up to 1288 conditions per place. [2022-11-16 11:16:57,429 INFO L137 encePairwiseOnDemand]: 396/400 looper letters, 27 selfloop transitions, 1 changer transitions 0/305 dead transitions. [2022-11-16 11:16:57,429 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 305 transitions, 678 flow [2022-11-16 11:16:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2022-11-16 11:16:57,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7933333333333333 [2022-11-16 11:16:57,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2022-11-16 11:16:57,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2022-11-16 11:16:57,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:57,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2022-11-16 11:16:57,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:57,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:57,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:57,441 INFO L175 Difference]: Start difference. First operand has 315 places, 308 transitions, 628 flow. Second operand 3 states and 952 transitions. [2022-11-16 11:16:57,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 305 transitions, 678 flow [2022-11-16 11:16:57,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:16:57,453 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 620 flow [2022-11-16 11:16:57,454 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2022-11-16 11:16:57,455 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -64 predicate places. [2022-11-16 11:16:57,455 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 620 flow [2022-11-16 11:16:57,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:57,456 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:57,457 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:57,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:16:57,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:57,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:57,458 INFO L85 PathProgramCache]: Analyzing trace with hash -120265260, now seen corresponding path program 1 times [2022-11-16 11:16:57,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:57,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202684303] [2022-11-16 11:16:57,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:57,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:57,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202684303] [2022-11-16 11:16:57,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202684303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:57,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:57,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:57,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230541371] [2022-11-16 11:16:57,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:57,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:57,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:57,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:57,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:57,612 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2022-11-16 11:16:57,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:57,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:57,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2022-11-16 11:16:57,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:58,154 INFO L130 PetriNetUnfolder]: 677/1566 cut-off events. [2022-11-16 11:16:58,154 INFO L131 PetriNetUnfolder]: For 91/153 co-relation queries the response was YES. [2022-11-16 11:16:58,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 1566 events. 677/1566 cut-off events. For 91/153 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8404 event pairs, 457 based on Foata normal form. 0/1430 useless extension candidates. Maximal degree in co-relation 2531. Up to 922 conditions per place. [2022-11-16 11:16:58,179 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 26 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2022-11-16 11:16:58,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 674 flow [2022-11-16 11:16:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:58,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2022-11-16 11:16:58,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991666666666667 [2022-11-16 11:16:58,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:58,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,197 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 620 flow. Second operand 3 states and 959 transitions. [2022-11-16 11:16:58,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 674 flow [2022-11-16 11:16:58,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 304 transitions, 673 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:16:58,208 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 621 flow [2022-11-16 11:16:58,209 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=621, PETRI_PLACES=306, PETRI_TRANSITIONS=304} [2022-11-16 11:16:58,210 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -64 predicate places. [2022-11-16 11:16:58,210 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 621 flow [2022-11-16 11:16:58,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:58,212 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:58,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:16:58,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:58,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:58,213 INFO L85 PathProgramCache]: Analyzing trace with hash 667117042, now seen corresponding path program 1 times [2022-11-16 11:16:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:58,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949390504] [2022-11-16 11:16:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:58,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:58,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:58,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949390504] [2022-11-16 11:16:58,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949390504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:58,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:58,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716976857] [2022-11-16 11:16:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:58,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:58,290 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2022-11-16 11:16:58,292 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 304 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:58,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2022-11-16 11:16:58,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:58,901 INFO L130 PetriNetUnfolder]: 677/1565 cut-off events. [2022-11-16 11:16:58,901 INFO L131 PetriNetUnfolder]: For 91/153 co-relation queries the response was YES. [2022-11-16 11:16:58,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2573 conditions, 1565 events. 677/1565 cut-off events. For 91/153 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8387 event pairs, 457 based on Foata normal form. 0/1430 useless extension candidates. Maximal degree in co-relation 2532. Up to 922 conditions per place. [2022-11-16 11:16:58,921 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 26 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2022-11-16 11:16:58,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 303 transitions, 675 flow [2022-11-16 11:16:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2022-11-16 11:16:58,930 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991666666666667 [2022-11-16 11:16:58,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:58,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2022-11-16 11:16:58,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,946 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 621 flow. Second operand 3 states and 959 transitions. [2022-11-16 11:16:58,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 303 transitions, 675 flow [2022-11-16 11:16:58,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 303 transitions, 671 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:16:58,953 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 619 flow [2022-11-16 11:16:58,953 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=619, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2022-11-16 11:16:58,955 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -65 predicate places. [2022-11-16 11:16:58,955 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 619 flow [2022-11-16 11:16:58,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:58,956 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:58,957 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:58,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:16:58,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:58,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1876550681, now seen corresponding path program 1 times [2022-11-16 11:16:58,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:58,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836069633] [2022-11-16 11:16:58,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:59,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:59,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836069633] [2022-11-16 11:16:59,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836069633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:59,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:59,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128387309] [2022-11-16 11:16:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:59,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:59,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:59,049 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2022-11-16 11:16:59,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:59,051 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2022-11-16 11:16:59,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:59,544 INFO L130 PetriNetUnfolder]: 677/1564 cut-off events. [2022-11-16 11:16:59,544 INFO L131 PetriNetUnfolder]: For 91/153 co-relation queries the response was YES. [2022-11-16 11:16:59,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 1564 events. 677/1564 cut-off events. For 91/153 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8386 event pairs, 457 based on Foata normal form. 0/1430 useless extension candidates. Maximal degree in co-relation 2531. Up to 922 conditions per place. [2022-11-16 11:16:59,558 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 26 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2022-11-16 11:16:59,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 673 flow [2022-11-16 11:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2022-11-16 11:16:59,561 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991666666666667 [2022-11-16 11:16:59,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2022-11-16 11:16:59,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2022-11-16 11:16:59,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:59,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2022-11-16 11:16:59,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,569 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 619 flow. Second operand 3 states and 959 transitions. [2022-11-16 11:16:59,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 673 flow [2022-11-16 11:16:59,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 302 transitions, 669 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:16:59,576 INFO L231 Difference]: Finished difference. Result has 304 places, 302 transitions, 617 flow [2022-11-16 11:16:59,577 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=304, PETRI_TRANSITIONS=302} [2022-11-16 11:16:59,580 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -66 predicate places. [2022-11-16 11:16:59,580 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 302 transitions, 617 flow [2022-11-16 11:16:59,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,581 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:59,582 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:59,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:16:59,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:16:59,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:59,583 INFO L85 PathProgramCache]: Analyzing trace with hash 189635640, now seen corresponding path program 1 times [2022-11-16 11:16:59,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:59,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653336026] [2022-11-16 11:16:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:59,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653336026] [2022-11-16 11:16:59,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653336026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:59,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:59,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532446258] [2022-11-16 11:16:59,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:59,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:59,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:59,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:59,686 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2022-11-16 11:16:59,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 302 transitions, 617 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:16:59,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:59,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2022-11-16 11:16:59,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:00,128 INFO L130 PetriNetUnfolder]: 677/1563 cut-off events. [2022-11-16 11:17:00,128 INFO L131 PetriNetUnfolder]: For 91/153 co-relation queries the response was YES. [2022-11-16 11:17:00,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2571 conditions, 1563 events. 677/1563 cut-off events. For 91/153 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8405 event pairs, 457 based on Foata normal form. 0/1430 useless extension candidates. Maximal degree in co-relation 2530. Up to 922 conditions per place. [2022-11-16 11:17:00,145 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 26 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-16 11:17:00,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 301 transitions, 671 flow [2022-11-16 11:17:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2022-11-16 11:17:00,149 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991666666666667 [2022-11-16 11:17:00,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2022-11-16 11:17:00,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2022-11-16 11:17:00,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:00,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2022-11-16 11:17:00,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,158 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,158 INFO L175 Difference]: Start difference. First operand has 304 places, 302 transitions, 617 flow. Second operand 3 states and 959 transitions. [2022-11-16 11:17:00,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 301 transitions, 671 flow [2022-11-16 11:17:00,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 301 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:00,165 INFO L231 Difference]: Finished difference. Result has 303 places, 301 transitions, 615 flow [2022-11-16 11:17:00,166 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=303, PETRI_TRANSITIONS=301} [2022-11-16 11:17:00,167 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:00,167 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 301 transitions, 615 flow [2022-11-16 11:17:00,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,168 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:00,169 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:00,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:17:00,169 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:00,170 INFO L85 PathProgramCache]: Analyzing trace with hash 955595154, now seen corresponding path program 1 times [2022-11-16 11:17:00,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:00,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169486817] [2022-11-16 11:17:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:00,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:00,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:00,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169486817] [2022-11-16 11:17:00,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169486817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:00,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:00,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028038583] [2022-11-16 11:17:00,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:00,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:00,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:00,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:00,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:00,224 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:00,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 301 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:00,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:00,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:00,723 INFO L130 PetriNetUnfolder]: 819/1881 cut-off events. [2022-11-16 11:17:00,723 INFO L131 PetriNetUnfolder]: For 118/183 co-relation queries the response was YES. [2022-11-16 11:17:00,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3101 conditions, 1881 events. 819/1881 cut-off events. For 118/183 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10488 event pairs, 163 based on Foata normal form. 1/1709 useless extension candidates. Maximal degree in co-relation 3061. Up to 782 conditions per place. [2022-11-16 11:17:00,744 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 36 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2022-11-16 11:17:00,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 314 transitions, 723 flow [2022-11-16 11:17:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-16 11:17:00,748 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.815 [2022-11-16 11:17:00,748 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-16 11:17:00,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-16 11:17:00,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:00,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-16 11:17:00,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,756 INFO L175 Difference]: Start difference. First operand has 303 places, 301 transitions, 615 flow. Second operand 3 states and 978 transitions. [2022-11-16 11:17:00,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 314 transitions, 723 flow [2022-11-16 11:17:00,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 314 transitions, 719 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:00,764 INFO L231 Difference]: Finished difference. Result has 303 places, 301 transitions, 619 flow [2022-11-16 11:17:00,765 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=619, PETRI_PLACES=303, PETRI_TRANSITIONS=301} [2022-11-16 11:17:00,766 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:00,766 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 301 transitions, 619 flow [2022-11-16 11:17:00,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,767 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:00,767 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:00,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:17:00,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash -468857466, now seen corresponding path program 1 times [2022-11-16 11:17:00,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:00,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892688998] [2022-11-16 11:17:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:00,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:00,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:00,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892688998] [2022-11-16 11:17:00,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892688998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:00,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:00,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:00,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898867808] [2022-11-16 11:17:00,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:00,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:00,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:00,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:00,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:00,822 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:00,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 301 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:00,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:00,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:00,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:01,341 INFO L130 PetriNetUnfolder]: 820/1907 cut-off events. [2022-11-16 11:17:01,341 INFO L131 PetriNetUnfolder]: For 213/285 co-relation queries the response was YES. [2022-11-16 11:17:01,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3269 conditions, 1907 events. 820/1907 cut-off events. For 213/285 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 11234 event pairs, 566 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 3227. Up to 1120 conditions per place. [2022-11-16 11:17:01,363 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 24 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-16 11:17:01,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 300 transitions, 669 flow [2022-11-16 11:17:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2022-11-16 11:17:01,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2022-11-16 11:17:01,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2022-11-16 11:17:01,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2022-11-16 11:17:01,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:01,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2022-11-16 11:17:01,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:01,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:01,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:01,375 INFO L175 Difference]: Start difference. First operand has 303 places, 301 transitions, 619 flow. Second operand 3 states and 965 transitions. [2022-11-16 11:17:01,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 300 transitions, 669 flow [2022-11-16 11:17:01,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 300 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:01,383 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 619 flow [2022-11-16 11:17:01,383 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=619, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2022-11-16 11:17:01,384 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:01,384 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 619 flow [2022-11-16 11:17:01,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:01,385 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:01,386 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:01,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:17:01,386 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:01,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:01,387 INFO L85 PathProgramCache]: Analyzing trace with hash -497923153, now seen corresponding path program 1 times [2022-11-16 11:17:01,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:01,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421328769] [2022-11-16 11:17:01,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:01,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:01,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421328769] [2022-11-16 11:17:01,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421328769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:01,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:01,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326429995] [2022-11-16 11:17:01,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:01,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:01,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:01,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:01,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:01,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:01,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:01,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:02,252 INFO L130 PetriNetUnfolder]: 1013/2357 cut-off events. [2022-11-16 11:17:02,252 INFO L131 PetriNetUnfolder]: For 268/349 co-relation queries the response was YES. [2022-11-16 11:17:02,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3983 conditions, 2357 events. 1013/2357 cut-off events. For 268/349 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 14736 event pairs, 264 based on Foata normal form. 2/2136 useless extension candidates. Maximal degree in co-relation 3942. Up to 867 conditions per place. [2022-11-16 11:17:02,283 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 38 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2022-11-16 11:17:02,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 314 transitions, 736 flow [2022-11-16 11:17:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-16 11:17:02,287 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.815 [2022-11-16 11:17:02,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-16 11:17:02,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-16 11:17:02,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:02,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-16 11:17:02,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:02,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:02,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:02,297 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 619 flow. Second operand 3 states and 978 transitions. [2022-11-16 11:17:02,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 314 transitions, 736 flow [2022-11-16 11:17:02,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 314 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:02,306 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 623 flow [2022-11-16 11:17:02,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=623, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2022-11-16 11:17:02,308 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:02,308 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 623 flow [2022-11-16 11:17:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:02,309 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:02,309 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:02,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:17:02,310 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:02,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1775913862, now seen corresponding path program 1 times [2022-11-16 11:17:02,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:02,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18338002] [2022-11-16 11:17:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:02,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:02,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18338002] [2022-11-16 11:17:02,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18338002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:02,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:02,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:02,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991935031] [2022-11-16 11:17:02,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:02,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:02,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:02,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:02,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:02,371 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:02,373 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 623 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:02,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:02,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:02,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:03,077 INFO L130 PetriNetUnfolder]: 1014/2429 cut-off events. [2022-11-16 11:17:03,078 INFO L131 PetriNetUnfolder]: For 409/492 co-relation queries the response was YES. [2022-11-16 11:17:03,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4266 conditions, 2429 events. 1014/2429 cut-off events. For 409/492 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 15964 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4223. Up to 1390 conditions per place. [2022-11-16 11:17:03,104 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 25 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2022-11-16 11:17:03,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 299 transitions, 675 flow [2022-11-16 11:17:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2022-11-16 11:17:03,108 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2022-11-16 11:17:03,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2022-11-16 11:17:03,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2022-11-16 11:17:03,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:03,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2022-11-16 11:17:03,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,115 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,115 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 623 flow. Second operand 3 states and 965 transitions. [2022-11-16 11:17:03,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 299 transitions, 675 flow [2022-11-16 11:17:03,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 299 transitions, 673 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:03,122 INFO L231 Difference]: Finished difference. Result has 303 places, 299 transitions, 623 flow [2022-11-16 11:17:03,123 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=623, PETRI_PLACES=303, PETRI_TRANSITIONS=299} [2022-11-16 11:17:03,124 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:03,124 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 299 transitions, 623 flow [2022-11-16 11:17:03,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:03,125 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:03,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:17:03,126 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:03,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1049701571, now seen corresponding path program 1 times [2022-11-16 11:17:03,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:03,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798926675] [2022-11-16 11:17:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:03,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:03,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:03,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798926675] [2022-11-16 11:17:03,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798926675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:03,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:03,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:03,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044057747] [2022-11-16 11:17:03,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:03,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:03,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:03,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:03,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:03,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2022-11-16 11:17:03,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 299 transitions, 623 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:03,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2022-11-16 11:17:03,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:03,767 INFO L130 PetriNetUnfolder]: 1014/2428 cut-off events. [2022-11-16 11:17:03,768 INFO L131 PetriNetUnfolder]: For 408/491 co-relation queries the response was YES. [2022-11-16 11:17:03,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4205 conditions, 2428 events. 1014/2428 cut-off events. For 408/491 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 15965 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4162. Up to 1398 conditions per place. [2022-11-16 11:17:03,797 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 27 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2022-11-16 11:17:03,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 298 transitions, 679 flow [2022-11-16 11:17:03,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2022-11-16 11:17:03,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7983333333333333 [2022-11-16 11:17:03,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2022-11-16 11:17:03,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2022-11-16 11:17:03,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:03,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2022-11-16 11:17:03,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,809 INFO L175 Difference]: Start difference. First operand has 303 places, 299 transitions, 623 flow. Second operand 3 states and 958 transitions. [2022-11-16 11:17:03,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 298 transitions, 679 flow [2022-11-16 11:17:03,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 298 transitions, 675 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:03,817 INFO L231 Difference]: Finished difference. Result has 302 places, 298 transitions, 621 flow [2022-11-16 11:17:03,817 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=621, PETRI_PLACES=302, PETRI_TRANSITIONS=298} [2022-11-16 11:17:03,818 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -68 predicate places. [2022-11-16 11:17:03,818 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 298 transitions, 621 flow [2022-11-16 11:17:03,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,819 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:03,820 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:03,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:17:03,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:03,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1182796, now seen corresponding path program 1 times [2022-11-16 11:17:03,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:03,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892405557] [2022-11-16 11:17:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:03,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:03,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892405557] [2022-11-16 11:17:03,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892405557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:03,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:03,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:03,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831353151] [2022-11-16 11:17:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:03,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:03,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:03,868 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:03,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 298 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:03,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:03,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:03,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:04,454 INFO L130 PetriNetUnfolder]: 1014/2427 cut-off events. [2022-11-16 11:17:04,454 INFO L131 PetriNetUnfolder]: For 408/491 co-relation queries the response was YES. [2022-11-16 11:17:04,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4195 conditions, 2427 events. 1014/2427 cut-off events. For 408/491 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 15896 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4153. Up to 1388 conditions per place. [2022-11-16 11:17:04,478 INFO L137 encePairwiseOnDemand]: 398/400 looper letters, 25 selfloop transitions, 1 changer transitions 0/297 dead transitions. [2022-11-16 11:17:04,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 297 transitions, 671 flow [2022-11-16 11:17:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2022-11-16 11:17:04,481 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8033333333333333 [2022-11-16 11:17:04,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 964 transitions. [2022-11-16 11:17:04,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 964 transitions. [2022-11-16 11:17:04,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:04,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 964 transitions. [2022-11-16 11:17:04,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:04,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:04,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:04,489 INFO L175 Difference]: Start difference. First operand has 302 places, 298 transitions, 621 flow. Second operand 3 states and 964 transitions. [2022-11-16 11:17:04,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 297 transitions, 671 flow [2022-11-16 11:17:04,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 297 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:04,496 INFO L231 Difference]: Finished difference. Result has 301 places, 297 transitions, 617 flow [2022-11-16 11:17:04,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=301, PETRI_TRANSITIONS=297} [2022-11-16 11:17:04,497 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -69 predicate places. [2022-11-16 11:17:04,498 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 297 transitions, 617 flow [2022-11-16 11:17:04,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:04,498 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:04,499 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:04,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:17:04,499 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:04,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash 535933503, now seen corresponding path program 1 times [2022-11-16 11:17:04,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:04,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921544520] [2022-11-16 11:17:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:04,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:04,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921544520] [2022-11-16 11:17:04,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921544520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:04,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:04,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:04,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862492691] [2022-11-16 11:17:04,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:04,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:04,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:04,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:04,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:04,569 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:04,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 297 transitions, 617 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:04,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:04,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:04,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:05,061 INFO L130 PetriNetUnfolder]: 1014/2426 cut-off events. [2022-11-16 11:17:05,061 INFO L131 PetriNetUnfolder]: For 408/491 co-relation queries the response was YES. [2022-11-16 11:17:05,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4194 conditions, 2426 events. 1014/2426 cut-off events. For 408/491 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 15905 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4151. Up to 1390 conditions per place. [2022-11-16 11:17:05,085 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 25 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2022-11-16 11:17:05,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 296 transitions, 669 flow [2022-11-16 11:17:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2022-11-16 11:17:05,089 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2022-11-16 11:17:05,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2022-11-16 11:17:05,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2022-11-16 11:17:05,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:05,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2022-11-16 11:17:05,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:05,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:05,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:05,097 INFO L175 Difference]: Start difference. First operand has 301 places, 297 transitions, 617 flow. Second operand 3 states and 965 transitions. [2022-11-16 11:17:05,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 296 transitions, 669 flow [2022-11-16 11:17:05,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 296 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:05,104 INFO L231 Difference]: Finished difference. Result has 301 places, 296 transitions, 618 flow [2022-11-16 11:17:05,104 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=301, PETRI_TRANSITIONS=296} [2022-11-16 11:17:05,105 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -69 predicate places. [2022-11-16 11:17:05,105 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 296 transitions, 618 flow [2022-11-16 11:17:05,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:05,106 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:05,106 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:05,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:17:05,107 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:05,107 INFO L85 PathProgramCache]: Analyzing trace with hash -320442603, now seen corresponding path program 1 times [2022-11-16 11:17:05,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:05,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085523797] [2022-11-16 11:17:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:05,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:05,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085523797] [2022-11-16 11:17:05,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085523797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:05,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:05,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:17:05,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007433102] [2022-11-16 11:17:05,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:05,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:17:05,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:05,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:17:05,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:17:05,696 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 400 [2022-11-16 11:17:05,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 296 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 262.8333333333333) internal successors, (1577), 6 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:05,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:05,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 400 [2022-11-16 11:17:05,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:08,268 INFO L130 PetriNetUnfolder]: 5899/9227 cut-off events. [2022-11-16 11:17:08,268 INFO L131 PetriNetUnfolder]: For 1360/1360 co-relation queries the response was YES. [2022-11-16 11:17:08,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18620 conditions, 9227 events. 5899/9227 cut-off events. For 1360/1360 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 54697 event pairs, 4691 based on Foata normal form. 0/8769 useless extension candidates. Maximal degree in co-relation 18578. Up to 7901 conditions per place. [2022-11-16 11:17:08,350 INFO L137 encePairwiseOnDemand]: 388/400 looper letters, 68 selfloop transitions, 10 changer transitions 0/294 dead transitions. [2022-11-16 11:17:08,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 294 transitions, 770 flow [2022-11-16 11:17:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:17:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:17:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1644 transitions. [2022-11-16 11:17:08,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.685 [2022-11-16 11:17:08,357 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1644 transitions. [2022-11-16 11:17:08,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1644 transitions. [2022-11-16 11:17:08,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:08,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1644 transitions. [2022-11-16 11:17:08,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.0) internal successors, (1644), 6 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:08,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:08,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:08,371 INFO L175 Difference]: Start difference. First operand has 301 places, 296 transitions, 618 flow. Second operand 6 states and 1644 transitions. [2022-11-16 11:17:08,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 294 transitions, 770 flow [2022-11-16 11:17:08,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 294 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:08,379 INFO L231 Difference]: Finished difference. Result has 302 places, 294 transitions, 630 flow [2022-11-16 11:17:08,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=302, PETRI_TRANSITIONS=294} [2022-11-16 11:17:08,380 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -68 predicate places. [2022-11-16 11:17:08,380 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 294 transitions, 630 flow [2022-11-16 11:17:08,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.8333333333333) internal successors, (1577), 6 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:08,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:08,382 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:08,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:17:08,382 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1851662625, now seen corresponding path program 1 times [2022-11-16 11:17:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:08,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494671106] [2022-11-16 11:17:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:08,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:08,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:08,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494671106] [2022-11-16 11:17:08,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494671106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:08,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:08,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:08,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530226193] [2022-11-16 11:17:08,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:08,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:08,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:08,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:08,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:08,454 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:08,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 294 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:08,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:08,456 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:08,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:09,142 INFO L130 PetriNetUnfolder]: 1014/2423 cut-off events. [2022-11-16 11:17:09,143 INFO L131 PetriNetUnfolder]: For 408/491 co-relation queries the response was YES. [2022-11-16 11:17:09,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4200 conditions, 2423 events. 1014/2423 cut-off events. For 408/491 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 15905 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4165. Up to 1388 conditions per place. [2022-11-16 11:17:09,168 INFO L137 encePairwiseOnDemand]: 398/400 looper letters, 25 selfloop transitions, 1 changer transitions 0/293 dead transitions. [2022-11-16 11:17:09,168 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 293 transitions, 680 flow [2022-11-16 11:17:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2022-11-16 11:17:09,171 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8033333333333333 [2022-11-16 11:17:09,172 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 964 transitions. [2022-11-16 11:17:09,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 964 transitions. [2022-11-16 11:17:09,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:09,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 964 transitions. [2022-11-16 11:17:09,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,179 INFO L175 Difference]: Start difference. First operand has 302 places, 294 transitions, 630 flow. Second operand 3 states and 964 transitions. [2022-11-16 11:17:09,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 293 transitions, 680 flow [2022-11-16 11:17:09,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 293 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:17:09,187 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 610 flow [2022-11-16 11:17:09,188 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2022-11-16 11:17:09,189 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -72 predicate places. [2022-11-16 11:17:09,189 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 610 flow [2022-11-16 11:17:09,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,190 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:09,190 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:09,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:17:09,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:09,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1795195527, now seen corresponding path program 1 times [2022-11-16 11:17:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:09,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946059788] [2022-11-16 11:17:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:09,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946059788] [2022-11-16 11:17:09,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946059788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:09,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:09,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:09,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854639838] [2022-11-16 11:17:09,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:09,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:09,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:09,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:09,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:09,285 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:09,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:09,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:09,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:09,897 INFO L130 PetriNetUnfolder]: 1014/2422 cut-off events. [2022-11-16 11:17:09,898 INFO L131 PetriNetUnfolder]: For 408/491 co-relation queries the response was YES. [2022-11-16 11:17:09,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4191 conditions, 2422 events. 1014/2422 cut-off events. For 408/491 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 15953 event pairs, 719 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 4148. Up to 1390 conditions per place. [2022-11-16 11:17:09,919 INFO L137 encePairwiseOnDemand]: 397/400 looper letters, 25 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2022-11-16 11:17:09,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 292 transitions, 662 flow [2022-11-16 11:17:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2022-11-16 11:17:09,922 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2022-11-16 11:17:09,922 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2022-11-16 11:17:09,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2022-11-16 11:17:09,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:09,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2022-11-16 11:17:09,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,930 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,930 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 610 flow. Second operand 3 states and 965 transitions. [2022-11-16 11:17:09,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 292 transitions, 662 flow [2022-11-16 11:17:09,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 292 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:09,937 INFO L231 Difference]: Finished difference. Result has 298 places, 292 transitions, 611 flow [2022-11-16 11:17:09,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=298, PETRI_TRANSITIONS=292} [2022-11-16 11:17:09,938 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -72 predicate places. [2022-11-16 11:17:09,938 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 292 transitions, 611 flow [2022-11-16 11:17:09,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:09,939 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:09,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:17:09,940 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:09,941 INFO L85 PathProgramCache]: Analyzing trace with hash -984876279, now seen corresponding path program 1 times [2022-11-16 11:17:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:09,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957463711] [2022-11-16 11:17:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:10,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:10,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957463711] [2022-11-16 11:17:10,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957463711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:10,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:10,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:17:10,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895761539] [2022-11-16 11:17:10,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:10,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:17:10,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:17:10,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:17:10,742 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 400 [2022-11-16 11:17:10,744 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 292 transitions, 611 flow. Second operand has 6 states, 6 states have (on average 279.1666666666667) internal successors, (1675), 6 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:10,745 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 400 [2022-11-16 11:17:10,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:13,219 INFO L130 PetriNetUnfolder]: 5899/9224 cut-off events. [2022-11-16 11:17:13,219 INFO L131 PetriNetUnfolder]: For 1360/1360 co-relation queries the response was YES. [2022-11-16 11:17:13,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18599 conditions, 9224 events. 5899/9224 cut-off events. For 1360/1360 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 54488 event pairs, 1065 based on Foata normal form. 0/8953 useless extension candidates. Maximal degree in co-relation 18555. Up to 3588 conditions per place. [2022-11-16 11:17:13,287 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 111 selfloop transitions, 4 changer transitions 0/347 dead transitions. [2022-11-16 11:17:13,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 347 transitions, 983 flow [2022-11-16 11:17:13,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:17:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:17:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1768 transitions. [2022-11-16 11:17:13,292 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7366666666666667 [2022-11-16 11:17:13,292 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1768 transitions. [2022-11-16 11:17:13,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1768 transitions. [2022-11-16 11:17:13,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:13,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1768 transitions. [2022-11-16 11:17:13,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 294.6666666666667) internal successors, (1768), 6 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:13,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:13,302 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:13,302 INFO L175 Difference]: Start difference. First operand has 298 places, 292 transitions, 611 flow. Second operand 6 states and 1768 transitions. [2022-11-16 11:17:13,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 347 transitions, 983 flow [2022-11-16 11:17:13,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 347 transitions, 979 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:17:13,308 INFO L231 Difference]: Finished difference. Result has 300 places, 291 transitions, 613 flow [2022-11-16 11:17:13,309 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=291} [2022-11-16 11:17:13,310 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -70 predicate places. [2022-11-16 11:17:13,310 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 291 transitions, 613 flow [2022-11-16 11:17:13,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.1666666666667) internal successors, (1675), 6 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:13,310 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:13,311 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:13,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:17:13,311 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:13,312 INFO L85 PathProgramCache]: Analyzing trace with hash -164769939, now seen corresponding path program 1 times [2022-11-16 11:17:13,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:13,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937250623] [2022-11-16 11:17:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:13,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:13,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:13,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937250623] [2022-11-16 11:17:13,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937250623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:13,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:13,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:17:13,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857539879] [2022-11-16 11:17:13,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:13,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:17:13,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:13,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:17:13,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:17:13,908 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 400 [2022-11-16 11:17:13,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 291 transitions, 613 flow. Second operand has 6 states, 6 states have (on average 280.1666666666667) internal successors, (1681), 6 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:13,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:13,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 400 [2022-11-16 11:17:13,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:16,315 INFO L130 PetriNetUnfolder]: 4807/7877 cut-off events. [2022-11-16 11:17:16,316 INFO L131 PetriNetUnfolder]: For 1585/1585 co-relation queries the response was YES. [2022-11-16 11:17:16,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16576 conditions, 7877 events. 4807/7877 cut-off events. For 1585/1585 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 48645 event pairs, 3339 based on Foata normal form. 0/7674 useless extension candidates. Maximal degree in co-relation 16532. Up to 5142 conditions per place. [2022-11-16 11:17:16,369 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 102 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2022-11-16 11:17:16,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 338 transitions, 951 flow [2022-11-16 11:17:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:17:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:17:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1759 transitions. [2022-11-16 11:17:16,376 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7329166666666667 [2022-11-16 11:17:16,376 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1759 transitions. [2022-11-16 11:17:16,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1759 transitions. [2022-11-16 11:17:16,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:16,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1759 transitions. [2022-11-16 11:17:16,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 293.1666666666667) internal successors, (1759), 6 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:16,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:16,391 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:16,392 INFO L175 Difference]: Start difference. First operand has 300 places, 291 transitions, 613 flow. Second operand 6 states and 1759 transitions. [2022-11-16 11:17:16,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 338 transitions, 951 flow [2022-11-16 11:17:16,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 338 transitions, 944 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:17:16,403 INFO L231 Difference]: Finished difference. Result has 300 places, 290 transitions, 612 flow [2022-11-16 11:17:16,404 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=290} [2022-11-16 11:17:16,404 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -70 predicate places. [2022-11-16 11:17:16,405 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 290 transitions, 612 flow [2022-11-16 11:17:16,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 280.1666666666667) internal successors, (1681), 6 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:16,406 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:16,406 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:16,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:17:16,406 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:16,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash 727362314, now seen corresponding path program 1 times [2022-11-16 11:17:16,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:16,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988038117] [2022-11-16 11:17:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:16,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988038117] [2022-11-16 11:17:16,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988038117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:16,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:16,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:16,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318823683] [2022-11-16 11:17:16,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:16,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:16,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:16,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:16,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:16,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 400 [2022-11-16 11:17:16,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 290 transitions, 612 flow. Second operand has 4 states, 4 states have (on average 316.5) internal successors, (1266), 4 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:16,769 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:16,769 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 400 [2022-11-16 11:17:16,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:17,663 INFO L130 PetriNetUnfolder]: 1715/3667 cut-off events. [2022-11-16 11:17:17,663 INFO L131 PetriNetUnfolder]: For 607/665 co-relation queries the response was YES. [2022-11-16 11:17:17,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6662 conditions, 3667 events. 1715/3667 cut-off events. For 607/665 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 25408 event pairs, 370 based on Foata normal form. 1/3329 useless extension candidates. Maximal degree in co-relation 6619. Up to 976 conditions per place. [2022-11-16 11:17:17,685 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 61 selfloop transitions, 5 changer transitions 0/330 dead transitions. [2022-11-16 11:17:17,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 330 transitions, 849 flow [2022-11-16 11:17:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:17:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions. [2022-11-16 11:17:17,690 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8155 [2022-11-16 11:17:17,690 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions. [2022-11-16 11:17:17,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions. [2022-11-16 11:17:17,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:17,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions. [2022-11-16 11:17:17,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:17,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 400.0) internal successors, (2400), 6 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:17,700 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 400.0) internal successors, (2400), 6 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:17,700 INFO L175 Difference]: Start difference. First operand has 300 places, 290 transitions, 612 flow. Second operand 5 states and 1631 transitions. [2022-11-16 11:17:17,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 330 transitions, 849 flow [2022-11-16 11:17:17,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 330 transitions, 842 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:17:17,707 INFO L231 Difference]: Finished difference. Result has 303 places, 293 transitions, 636 flow [2022-11-16 11:17:17,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=636, PETRI_PLACES=303, PETRI_TRANSITIONS=293} [2022-11-16 11:17:17,709 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -67 predicate places. [2022-11-16 11:17:17,709 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 293 transitions, 636 flow [2022-11-16 11:17:17,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 316.5) internal successors, (1266), 4 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:17,709 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:17,710 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:17,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:17:17,710 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:17,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash 759519017, now seen corresponding path program 1 times [2022-11-16 11:17:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:17,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756017128] [2022-11-16 11:17:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:18,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:18,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756017128] [2022-11-16 11:17:18,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756017128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:18,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:18,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:17:18,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745203156] [2022-11-16 11:17:18,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:18,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:17:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:18,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:17:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:17:18,508 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 400 [2022-11-16 11:17:18,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 293 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 281.5) internal successors, (1689), 6 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:18,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:18,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 400 [2022-11-16 11:17:18,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:20,929 INFO L130 PetriNetUnfolder]: 6583/10659 cut-off events. [2022-11-16 11:17:20,929 INFO L131 PetriNetUnfolder]: For 4382/4382 co-relation queries the response was YES. [2022-11-16 11:17:20,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24178 conditions, 10659 events. 6583/10659 cut-off events. For 4382/4382 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 69787 event pairs, 4957 based on Foata normal form. 0/10423 useless extension candidates. Maximal degree in co-relation 24131. Up to 8727 conditions per place. [2022-11-16 11:17:21,001 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 76 selfloop transitions, 4 changer transitions 0/312 dead transitions. [2022-11-16 11:17:21,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 312 transitions, 850 flow [2022-11-16 11:17:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:17:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:17:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1734 transitions. [2022-11-16 11:17:21,004 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7225 [2022-11-16 11:17:21,005 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1734 transitions. [2022-11-16 11:17:21,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1734 transitions. [2022-11-16 11:17:21,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:21,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1734 transitions. [2022-11-16 11:17:21,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 289.0) internal successors, (1734), 6 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,015 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,015 INFO L175 Difference]: Start difference. First operand has 303 places, 293 transitions, 636 flow. Second operand 6 states and 1734 transitions. [2022-11-16 11:17:21,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 312 transitions, 850 flow [2022-11-16 11:17:21,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 312 transitions, 847 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:21,025 INFO L231 Difference]: Finished difference. Result has 306 places, 292 transitions, 639 flow [2022-11-16 11:17:21,025 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=306, PETRI_TRANSITIONS=292} [2022-11-16 11:17:21,026 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -64 predicate places. [2022-11-16 11:17:21,026 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 292 transitions, 639 flow [2022-11-16 11:17:21,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 281.5) internal successors, (1689), 6 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,027 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:21,027 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:21,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:17:21,027 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:21,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:21,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1120921813, now seen corresponding path program 1 times [2022-11-16 11:17:21,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:21,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142544223] [2022-11-16 11:17:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:21,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:21,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142544223] [2022-11-16 11:17:21,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142544223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:21,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:21,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:21,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129497325] [2022-11-16 11:17:21,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:21,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:21,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:21,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:21,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:21,229 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 400 [2022-11-16 11:17:21,230 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 292 transitions, 639 flow. Second operand has 4 states, 4 states have (on average 317.25) internal successors, (1269), 4 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:21,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 400 [2022-11-16 11:17:21,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:22,605 INFO L130 PetriNetUnfolder]: 2487/5593 cut-off events. [2022-11-16 11:17:22,605 INFO L131 PetriNetUnfolder]: For 1562/1701 co-relation queries the response was YES. [2022-11-16 11:17:22,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10893 conditions, 5593 events. 2487/5593 cut-off events. For 1562/1701 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 44841 event pairs, 402 based on Foata normal form. 1/5254 useless extension candidates. Maximal degree in co-relation 10847. Up to 1403 conditions per place. [2022-11-16 11:17:22,645 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 64 selfloop transitions, 7 changer transitions 0/334 dead transitions. [2022-11-16 11:17:22,645 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 334 transitions, 910 flow [2022-11-16 11:17:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:17:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1632 transitions. [2022-11-16 11:17:22,650 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.816 [2022-11-16 11:17:22,651 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1632 transitions. [2022-11-16 11:17:22,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1632 transitions. [2022-11-16 11:17:22,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:22,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1632 transitions. [2022-11-16 11:17:22,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.4) internal successors, (1632), 5 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 400.0) internal successors, (2400), 6 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,664 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 400.0) internal successors, (2400), 6 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,665 INFO L175 Difference]: Start difference. First operand has 306 places, 292 transitions, 639 flow. Second operand 5 states and 1632 transitions. [2022-11-16 11:17:22,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 334 transitions, 910 flow [2022-11-16 11:17:22,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 334 transitions, 903 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:17:22,676 INFO L231 Difference]: Finished difference. Result has 309 places, 296 transitions, 678 flow [2022-11-16 11:17:22,677 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=678, PETRI_PLACES=309, PETRI_TRANSITIONS=296} [2022-11-16 11:17:22,678 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -61 predicate places. [2022-11-16 11:17:22,678 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 296 transitions, 678 flow [2022-11-16 11:17:22,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 317.25) internal successors, (1269), 4 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,679 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:22,679 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:22,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:17:22,680 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:22,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:22,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1333681703, now seen corresponding path program 2 times [2022-11-16 11:17:22,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:22,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915989568] [2022-11-16 11:17:22,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:22,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:23,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915989568] [2022-11-16 11:17:23,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915989568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:23,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:23,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:17:23,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893484870] [2022-11-16 11:17:23,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:23,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:17:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:23,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:17:23,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:17:23,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 400 [2022-11-16 11:17:23,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 296 transitions, 678 flow. Second operand has 6 states, 6 states have (on average 282.6666666666667) internal successors, (1696), 6 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:23,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:23,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 400 [2022-11-16 11:17:23,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:27,611 INFO L130 PetriNetUnfolder]: 9674/15771 cut-off events. [2022-11-16 11:17:27,611 INFO L131 PetriNetUnfolder]: For 11034/11034 co-relation queries the response was YES. [2022-11-16 11:17:27,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38382 conditions, 15771 events. 9674/15771 cut-off events. For 11034/11034 co-relation queries the response was YES. Maximal size of possible extension queue 769. Compared 113488 event pairs, 6885 based on Foata normal form. 0/15558 useless extension candidates. Maximal degree in co-relation 38332. Up to 13089 conditions per place. [2022-11-16 11:17:27,729 INFO L137 encePairwiseOnDemand]: 395/400 looper letters, 59 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2022-11-16 11:17:27,729 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 295 transitions, 802 flow [2022-11-16 11:17:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:17:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:17:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1717 transitions. [2022-11-16 11:17:27,734 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7154166666666667 [2022-11-16 11:17:27,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1717 transitions. [2022-11-16 11:17:27,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1717 transitions. [2022-11-16 11:17:27,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:27,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1717 transitions. [2022-11-16 11:17:27,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 286.1666666666667) internal successors, (1717), 6 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:27,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:27,746 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 400.0) internal successors, (2800), 7 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:27,746 INFO L175 Difference]: Start difference. First operand has 309 places, 296 transitions, 678 flow. Second operand 6 states and 1717 transitions. [2022-11-16 11:17:27,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 295 transitions, 802 flow [2022-11-16 11:17:27,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 295 transitions, 798 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:17:27,772 INFO L231 Difference]: Finished difference. Result has 312 places, 295 transitions, 680 flow [2022-11-16 11:17:27,773 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=680, PETRI_PLACES=312, PETRI_TRANSITIONS=295} [2022-11-16 11:17:27,774 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -58 predicate places. [2022-11-16 11:17:27,774 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 295 transitions, 680 flow [2022-11-16 11:17:27,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.6666666666667) internal successors, (1696), 6 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:27,775 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:17:27,775 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:27,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:17:27,775 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-16 11:17:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1026524131, now seen corresponding path program 1 times [2022-11-16 11:17:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:27,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036408549] [2022-11-16 11:17:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:27,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:27,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036408549] [2022-11-16 11:17:27,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036408549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:27,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:27,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:17:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470416963] [2022-11-16 11:17:27,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:27,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:17:27,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:27,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:17:27,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:17:27,900 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2022-11-16 11:17:27,901 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 295 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:27,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:17:27,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2022-11-16 11:17:27,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:17:28,778 INFO L130 PetriNetUnfolder]: 1827/4314 cut-off events. [2022-11-16 11:17:28,778 INFO L131 PetriNetUnfolder]: For 2188/2312 co-relation queries the response was YES. [2022-11-16 11:17:28,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8868 conditions, 4314 events. 1827/4314 cut-off events. For 2188/2312 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 33840 event pairs, 537 based on Foata normal form. 5/4120 useless extension candidates. Maximal degree in co-relation 8820. Up to 2171 conditions per place. [2022-11-16 11:17:28,796 INFO L137 encePairwiseOnDemand]: 393/400 looper letters, 0 selfloop transitions, 0 changer transitions 314/314 dead transitions. [2022-11-16 11:17:28,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 314 transitions, 854 flow [2022-11-16 11:17:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:17:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:17:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-11-16 11:17:28,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8158333333333333 [2022-11-16 11:17:28,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-11-16 11:17:28,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-11-16 11:17:28,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:17:28,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-11-16 11:17:28,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:28,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:28,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 400.0) internal successors, (1600), 4 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:28,807 INFO L175 Difference]: Start difference. First operand has 312 places, 295 transitions, 680 flow. Second operand 3 states and 979 transitions. [2022-11-16 11:17:28,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 314 transitions, 854 flow [2022-11-16 11:17:28,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 314 transitions, 847 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:17:28,813 INFO L231 Difference]: Finished difference. Result has 309 places, 0 transitions, 0 flow [2022-11-16 11:17:28,814 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=309, PETRI_TRANSITIONS=0} [2022-11-16 11:17:28,815 INFO L288 CegarLoopForPetriNet]: 370 programPoint places, -61 predicate places. [2022-11-16 11:17:28,815 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 0 transitions, 0 flow [2022-11-16 11:17:28,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:28,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2022-11-16 11:17:28,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2022-11-16 11:17:28,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2022-11-16 11:17:28,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2022-11-16 11:17:28,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2022-11-16 11:17:28,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2022-11-16 11:17:28,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2022-11-16 11:17:28,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2022-11-16 11:17:28,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2022-11-16 11:17:28,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2022-11-16 11:17:28,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2022-11-16 11:17:28,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2022-11-16 11:17:28,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2022-11-16 11:17:28,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2022-11-16 11:17:28,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2022-11-16 11:17:28,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2022-11-16 11:17:28,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2022-11-16 11:17:28,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2022-11-16 11:17:28,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2022-11-16 11:17:28,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2022-11-16 11:17:28,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2022-11-16 11:17:28,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2022-11-16 11:17:28,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2022-11-16 11:17:28,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2022-11-16 11:17:28,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2022-11-16 11:17:28,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2022-11-16 11:17:28,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2022-11-16 11:17:28,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2022-11-16 11:17:28,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2022-11-16 11:17:28,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2022-11-16 11:17:28,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2022-11-16 11:17:28,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2022-11-16 11:17:28,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2022-11-16 11:17:28,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2022-11-16 11:17:28,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2022-11-16 11:17:28,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2022-11-16 11:17:28,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2022-11-16 11:17:28,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2022-11-16 11:17:28,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2022-11-16 11:17:28,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2022-11-16 11:17:28,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2022-11-16 11:17:28,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2022-11-16 11:17:28,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2022-11-16 11:17:28,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2022-11-16 11:17:28,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2022-11-16 11:17:28,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2022-11-16 11:17:28,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2022-11-16 11:17:28,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2022-11-16 11:17:28,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2022-11-16 11:17:28,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 125 remaining) [2022-11-16 11:17:28,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 125 remaining) [2022-11-16 11:17:28,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 125 remaining) [2022-11-16 11:17:28,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 125 remaining) [2022-11-16 11:17:28,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2022-11-16 11:17:28,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2022-11-16 11:17:28,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 125 remaining) [2022-11-16 11:17:28,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 125 remaining) [2022-11-16 11:17:28,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2022-11-16 11:17:28,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2022-11-16 11:17:28,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2022-11-16 11:17:28,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2022-11-16 11:17:28,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2022-11-16 11:17:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2022-11-16 11:17:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2022-11-16 11:17:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2022-11-16 11:17:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2022-11-16 11:17:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2022-11-16 11:17:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2022-11-16 11:17:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2022-11-16 11:17:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2022-11-16 11:17:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2022-11-16 11:17:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2022-11-16 11:17:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2022-11-16 11:17:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2022-11-16 11:17:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2022-11-16 11:17:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2022-11-16 11:17:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2022-11-16 11:17:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2022-11-16 11:17:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2022-11-16 11:17:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2022-11-16 11:17:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2022-11-16 11:17:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2022-11-16 11:17:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2022-11-16 11:17:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2022-11-16 11:17:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2022-11-16 11:17:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2022-11-16 11:17:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2022-11-16 11:17:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2022-11-16 11:17:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2022-11-16 11:17:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2022-11-16 11:17:28,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:17:28,847 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:28,854 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:17:28,854 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:17:28,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:17:28 BasicIcfg [2022-11-16 11:17:28,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:17:28,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:17:28,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:17:28,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:17:28,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:54" (3/4) ... [2022-11-16 11:17:28,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:17:28,870 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:17:28,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:17:28,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:17:28,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-16 11:17:28,886 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-16 11:17:28,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:17:28,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:17:28,888 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:17:28,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:17:28,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:17:28,953 INFO L158 Benchmark]: Toolchain (without parser) took 37373.44ms. Allocated memory was 146.8MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 105.5MB in the beginning and 8.7GB in the end (delta: -8.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-16 11:17:28,953 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:17:28,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.13ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 116.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:17:28,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.68ms. Allocated memory is still 146.8MB. Free memory was 116.5MB in the beginning and 113.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:17:28,954 INFO L158 Benchmark]: Boogie Preprocessor took 87.65ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 109.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:17:28,954 INFO L158 Benchmark]: RCFGBuilder took 2027.89ms. Allocated memory is still 146.8MB. Free memory was 109.5MB in the beginning and 62.3MB in the end (delta: 47.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-11-16 11:17:28,955 INFO L158 Benchmark]: TraceAbstraction took 34670.93ms. Allocated memory was 146.8MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 61.4MB in the beginning and 8.7GB in the end (delta: -8.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-16 11:17:28,955 INFO L158 Benchmark]: Witness Printer took 90.35ms. Allocated memory is still 10.1GB. Free memory was 8.7GB in the beginning and 8.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:17:28,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.13ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 116.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.68ms. Allocated memory is still 146.8MB. Free memory was 116.5MB in the beginning and 113.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.65ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 109.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2027.89ms. Allocated memory is still 146.8MB. Free memory was 109.5MB in the beginning and 62.3MB in the end (delta: 47.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34670.93ms. Allocated memory was 146.8MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 61.4MB in the beginning and 8.7GB in the end (delta: -8.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 90.35ms. Allocated memory is still 10.1GB. Free memory was 8.7GB in the beginning and 8.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: 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 9 procedures, 472 locations, 125 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: 34.4s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1584 IncrementalHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 227 mSDtfsCounter, 1584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=0, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2877 NumberOfCodeBlocks, 2877 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2854 ConstructedInterpolants, 0 QuantifiedInterpolants, 3753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:17:29,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9f2e6c-ef5f-4bdf-a4ca-0f6f4b208d3e/bin/uautomizer-tPACEb0tL8/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