./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:49:34,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:49:34,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:49:34,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:49:34,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:49:34,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:49:34,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:49:34,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:49:34,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:49:34,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:49:34,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:49:34,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:49:34,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:49:34,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:49:34,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:49:34,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:49:34,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:49:34,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:49:34,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:49:34,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:49:34,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:49:34,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:49:34,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:49:34,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:49:34,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:49:34,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:49:34,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:49:34,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:49:34,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:49:34,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:49:34,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:49:34,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:49:34,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:49:34,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:49:34,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:49:34,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:49:34,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:49:34,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:49:34,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:49:34,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:49:34,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:49:34,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:49:34,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:49:34,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:49:34,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:49:34,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:49:34,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:49:34,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:49:34,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:49:34,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:49:34,111 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:49:34,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:49:34,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:49:34,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:49:34,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:49:34,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:49:34,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:49:34,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:49:34,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:49:34,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:49:34,114 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:49:34,114 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:49:34,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:49:34,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:49:34,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:49:34,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:49:34,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:49:34,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:49:34,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:49:34,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:49:34,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:49:34,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:49:34,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:49:34,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:49:34,118 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:49:34,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:49:34,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:49:34,119 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_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 [2022-11-18 20:49:34,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:49:34,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:49:34,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:49:34,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:49:34,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:49:34,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-18 20:49:34,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/data/68da5f5fa/41ae2def2c0a476393bf602c9c3e709c/FLAG8fc3dfdff [2022-11-18 20:49:35,111 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:49:35,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-18 20:49:35,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/data/68da5f5fa/41ae2def2c0a476393bf602c9c3e709c/FLAG8fc3dfdff [2022-11-18 20:49:35,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/data/68da5f5fa/41ae2def2c0a476393bf602c9c3e709c [2022-11-18 20:49:35,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:49:35,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:49:35,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:35,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:49:35,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:49:35,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b65a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35, skipping insertion in model container [2022-11-18 20:49:35,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:49:35,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:49:35,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-18 20:49:35,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:35,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:49:35,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-18 20:49:35,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:35,822 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:49:35,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35 WrapperNode [2022-11-18 20:49:35,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:35,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:35,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:49:35,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:49:35,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,868 INFO L138 Inliner]: procedures = 22, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 112 [2022-11-18 20:49:35,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:35,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:49:35,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:49:35,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:49:35,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:49:35,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:49:35,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:49:35,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:49:35,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (1/1) ... [2022-11-18 20:49:35,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:49:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:35,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:35,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:49:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:49:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:49:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:49:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:49:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:49:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 20:49:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 20:49:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:49:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:49:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:49:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:49:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:49:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:49:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:49:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:49:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:49:36,001 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:49:36,129 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:49:36,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:49:36,833 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:49:36,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:49:37,001 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:49:37,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37 BoogieIcfgContainer [2022-11-18 20:49:37,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:49:37,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:49:37,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:49:37,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:49:37,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:49:35" (1/3) ... [2022-11-18 20:49:37,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df4f884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:49:37, skipping insertion in model container [2022-11-18 20:49:37,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:35" (2/3) ... [2022-11-18 20:49:37,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df4f884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:49:37, skipping insertion in model container [2022-11-18 20:49:37,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37" (3/3) ... [2022-11-18 20:49:37,020 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2022-11-18 20:49:37,031 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:49:37,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:49:37,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-11-18 20:49:37,045 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:49:37,199 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 20:49:37,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 257 transitions, 538 flow [2022-11-18 20:49:37,380 INFO L130 PetriNetUnfolder]: 16/254 cut-off events. [2022-11-18 20:49:37,380 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:49:37,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 254 events. 16/254 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 506 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 163. Up to 4 conditions per place. [2022-11-18 20:49:37,390 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 257 transitions, 538 flow [2022-11-18 20:49:37,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 234 transitions, 486 flow [2022-11-18 20:49:37,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:49:37,418 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;@6527846a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:49:37,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2022-11-18 20:49:37,425 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-18 20:49:37,425 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:49:37,425 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:37,426 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] [2022-11-18 20:49:37,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:37,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1347462981, now seen corresponding path program 1 times [2022-11-18 20:49:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:37,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743753076] [2022-11-18 20:49:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:37,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:37,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:37,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743753076] [2022-11-18 20:49:37,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743753076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:37,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:37,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:37,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94695162] [2022-11-18 20:49:37,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:37,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:37,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:37,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:37,872 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2022-11-18 20:49:37,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 234 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:37,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:37,882 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2022-11-18 20:49:37,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:38,391 INFO L130 PetriNetUnfolder]: 256/1071 cut-off events. [2022-11-18 20:49:38,391 INFO L131 PetriNetUnfolder]: For 69/75 co-relation queries the response was YES. [2022-11-18 20:49:38,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1071 events. 256/1071 cut-off events. For 69/75 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6982 event pairs, 111 based on Foata normal form. 82/920 useless extension candidates. Maximal degree in co-relation 1258. Up to 302 conditions per place. [2022-11-18 20:49:38,420 INFO L137 encePairwiseOnDemand]: 239/257 looper letters, 27 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2022-11-18 20:49:38,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 218 transitions, 512 flow [2022-11-18 20:49:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 675 transitions. [2022-11-18 20:49:38,447 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8754863813229572 [2022-11-18 20:49:38,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 675 transitions. [2022-11-18 20:49:38,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 675 transitions. [2022-11-18 20:49:38,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:38,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 675 transitions. [2022-11-18 20:49:38,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:38,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:38,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:38,476 INFO L175 Difference]: Start difference. First operand has 229 places, 234 transitions, 486 flow. Second operand 3 states and 675 transitions. [2022-11-18 20:49:38,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 218 transitions, 512 flow [2022-11-18 20:49:38,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 218 transitions, 500 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 20:49:38,496 INFO L231 Difference]: Finished difference. Result has 212 places, 218 transitions, 446 flow [2022-11-18 20:49:38,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=212, PETRI_TRANSITIONS=218} [2022-11-18 20:49:38,505 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -17 predicate places. [2022-11-18 20:49:38,506 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 218 transitions, 446 flow [2022-11-18 20:49:38,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:38,507 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:38,508 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] [2022-11-18 20:49:38,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:49:38,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:38,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash -161763097, now seen corresponding path program 1 times [2022-11-18 20:49:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:38,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601783919] [2022-11-18 20:49:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:38,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:38,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601783919] [2022-11-18 20:49:38,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601783919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:38,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:38,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:38,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346597057] [2022-11-18 20:49:38,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:38,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:38,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:38,658 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2022-11-18 20:49:38,659 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 218 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:38,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:38,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2022-11-18 20:49:38,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:38,995 INFO L130 PetriNetUnfolder]: 292/951 cut-off events. [2022-11-18 20:49:38,996 INFO L131 PetriNetUnfolder]: For 31/36 co-relation queries the response was YES. [2022-11-18 20:49:39,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 951 events. 292/951 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5455 event pairs, 135 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 1305. Up to 350 conditions per place. [2022-11-18 20:49:39,014 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 27 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2022-11-18 20:49:39,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 217 transitions, 502 flow [2022-11-18 20:49:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2022-11-18 20:49:39,018 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8560311284046692 [2022-11-18 20:49:39,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:39,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,026 INFO L175 Difference]: Start difference. First operand has 212 places, 218 transitions, 446 flow. Second operand 3 states and 660 transitions. [2022-11-18 20:49:39,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 217 transitions, 502 flow [2022-11-18 20:49:39,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 217 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:39,034 INFO L231 Difference]: Finished difference. Result has 211 places, 217 transitions, 444 flow [2022-11-18 20:49:39,035 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=211, PETRI_TRANSITIONS=217} [2022-11-18 20:49:39,036 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -18 predicate places. [2022-11-18 20:49:39,036 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 217 transitions, 444 flow [2022-11-18 20:49:39,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,037 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:39,038 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] [2022-11-18 20:49:39,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:49:39,038 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash -855861972, now seen corresponding path program 1 times [2022-11-18 20:49:39,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:39,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999018522] [2022-11-18 20:49:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:39,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:39,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999018522] [2022-11-18 20:49:39,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999018522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:39,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:39,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:39,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851956912] [2022-11-18 20:49:39,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:39,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:39,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:39,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:39,163 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2022-11-18 20:49:39,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 217 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:39,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2022-11-18 20:49:39,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:39,386 INFO L130 PetriNetUnfolder]: 223/689 cut-off events. [2022-11-18 20:49:39,387 INFO L131 PetriNetUnfolder]: For 43/47 co-relation queries the response was YES. [2022-11-18 20:49:39,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 689 events. 223/689 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3711 event pairs, 111 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 966. Up to 302 conditions per place. [2022-11-18 20:49:39,399 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 27 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2022-11-18 20:49:39,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 216 transitions, 500 flow [2022-11-18 20:49:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2022-11-18 20:49:39,404 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8560311284046692 [2022-11-18 20:49:39,404 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:39,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2022-11-18 20:49:39,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,410 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,410 INFO L175 Difference]: Start difference. First operand has 211 places, 217 transitions, 444 flow. Second operand 3 states and 660 transitions. [2022-11-18 20:49:39,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 216 transitions, 500 flow [2022-11-18 20:49:39,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 216 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:39,416 INFO L231 Difference]: Finished difference. Result has 210 places, 216 transitions, 442 flow [2022-11-18 20:49:39,416 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=210, PETRI_TRANSITIONS=216} [2022-11-18 20:49:39,419 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -19 predicate places. [2022-11-18 20:49:39,419 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 216 transitions, 442 flow [2022-11-18 20:49:39,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,420 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:39,420 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] [2022-11-18 20:49:39,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:49:39,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:39,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1749670232, now seen corresponding path program 1 times [2022-11-18 20:49:39,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:39,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551601093] [2022-11-18 20:49:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:39,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:39,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551601093] [2022-11-18 20:49:39,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551601093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:39,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:39,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15035885] [2022-11-18 20:49:39,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:39,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:39,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:39,484 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 257 [2022-11-18 20:49:39,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 216 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:39,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 257 [2022-11-18 20:49:39,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:39,694 INFO L130 PetriNetUnfolder]: 159/815 cut-off events. [2022-11-18 20:49:39,694 INFO L131 PetriNetUnfolder]: For 7/13 co-relation queries the response was YES. [2022-11-18 20:49:39,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 815 events. 159/815 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4637 event pairs, 63 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 985. Up to 182 conditions per place. [2022-11-18 20:49:39,706 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 21 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2022-11-18 20:49:39,706 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 215 transitions, 486 flow [2022-11-18 20:49:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2022-11-18 20:49:39,709 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8715953307392996 [2022-11-18 20:49:39,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2022-11-18 20:49:39,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2022-11-18 20:49:39,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:39,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2022-11-18 20:49:39,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,716 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,717 INFO L175 Difference]: Start difference. First operand has 210 places, 216 transitions, 442 flow. Second operand 3 states and 672 transitions. [2022-11-18 20:49:39,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 215 transitions, 486 flow [2022-11-18 20:49:39,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 215 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:39,722 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 440 flow [2022-11-18 20:49:39,723 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2022-11-18 20:49:39,724 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -20 predicate places. [2022-11-18 20:49:39,724 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 440 flow [2022-11-18 20:49:39,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,725 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:39,725 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] [2022-11-18 20:49:39,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:49:39,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash -414604538, now seen corresponding path program 1 times [2022-11-18 20:49:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:39,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238549826] [2022-11-18 20:49:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:39,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:39,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:39,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238549826] [2022-11-18 20:49:39,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238549826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:39,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:39,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:39,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387852490] [2022-11-18 20:49:39,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:39,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:39,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:39,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:39,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:39,823 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 257 [2022-11-18 20:49:39,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:39,825 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:39,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 257 [2022-11-18 20:49:39,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:39,990 INFO L130 PetriNetUnfolder]: 185/797 cut-off events. [2022-11-18 20:49:39,990 INFO L131 PetriNetUnfolder]: For 19/25 co-relation queries the response was YES. [2022-11-18 20:49:39,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 797 events. 185/797 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4366 event pairs, 75 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 980. Up to 206 conditions per place. [2022-11-18 20:49:40,003 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 21 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2022-11-18 20:49:40,004 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 214 transitions, 484 flow [2022-11-18 20:49:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2022-11-18 20:49:40,006 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8715953307392996 [2022-11-18 20:49:40,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:40,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,012 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,012 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 440 flow. Second operand 3 states and 672 transitions. [2022-11-18 20:49:40,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 214 transitions, 484 flow [2022-11-18 20:49:40,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 214 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:40,017 INFO L231 Difference]: Finished difference. Result has 208 places, 214 transitions, 438 flow [2022-11-18 20:49:40,018 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=208, PETRI_TRANSITIONS=214} [2022-11-18 20:49:40,018 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -21 predicate places. [2022-11-18 20:49:40,019 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 214 transitions, 438 flow [2022-11-18 20:49:40,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,020 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:40,020 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] [2022-11-18 20:49:40,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:49:40,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:40,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:40,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1849409569, now seen corresponding path program 1 times [2022-11-18 20:49:40,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:40,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202959570] [2022-11-18 20:49:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:40,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:40,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202959570] [2022-11-18 20:49:40,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202959570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:40,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:40,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:40,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845272090] [2022-11-18 20:49:40,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:40,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:40,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:40,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:40,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:40,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 257 [2022-11-18 20:49:40,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 214 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:40,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 257 [2022-11-18 20:49:40,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:40,213 INFO L130 PetriNetUnfolder]: 145/629 cut-off events. [2022-11-18 20:49:40,213 INFO L131 PetriNetUnfolder]: For 25/29 co-relation queries the response was YES. [2022-11-18 20:49:40,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 629 events. 145/629 cut-off events. For 25/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3271 event pairs, 63 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 771. Up to 182 conditions per place. [2022-11-18 20:49:40,224 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 21 selfloop transitions, 2 changer transitions 0/213 dead transitions. [2022-11-18 20:49:40,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 213 transitions, 482 flow [2022-11-18 20:49:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2022-11-18 20:49:40,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8715953307392996 [2022-11-18 20:49:40,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:40,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2022-11-18 20:49:40,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,233 INFO L175 Difference]: Start difference. First operand has 208 places, 214 transitions, 438 flow. Second operand 3 states and 672 transitions. [2022-11-18 20:49:40,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 213 transitions, 482 flow [2022-11-18 20:49:40,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 213 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:40,238 INFO L231 Difference]: Finished difference. Result has 207 places, 213 transitions, 436 flow [2022-11-18 20:49:40,238 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=207, PETRI_TRANSITIONS=213} [2022-11-18 20:49:40,239 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -22 predicate places. [2022-11-18 20:49:40,239 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 213 transitions, 436 flow [2022-11-18 20:49:40,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:40,241 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] [2022-11-18 20:49:40,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:49:40,241 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1761092144, now seen corresponding path program 1 times [2022-11-18 20:49:40,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:40,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392011017] [2022-11-18 20:49:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:40,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:40,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392011017] [2022-11-18 20:49:40,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392011017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:40,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:40,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:40,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220950995] [2022-11-18 20:49:40,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:40,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:40,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:40,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 257 [2022-11-18 20:49:40,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 213 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:40,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 257 [2022-11-18 20:49:40,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:40,440 INFO L130 PetriNetUnfolder]: 135/662 cut-off events. [2022-11-18 20:49:40,441 INFO L131 PetriNetUnfolder]: For 7/17 co-relation queries the response was YES. [2022-11-18 20:49:40,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 662 events. 135/662 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3428 event pairs, 26 based on Foata normal form. 2/538 useless extension candidates. Maximal degree in co-relation 797. Up to 91 conditions per place. [2022-11-18 20:49:40,454 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 24 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2022-11-18 20:49:40,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 219 transitions, 502 flow [2022-11-18 20:49:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2022-11-18 20:49:40,458 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8871595330739299 [2022-11-18 20:49:40,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 684 transitions. [2022-11-18 20:49:40,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 684 transitions. [2022-11-18 20:49:40,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:40,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 684 transitions. [2022-11-18 20:49:40,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,465 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,465 INFO L175 Difference]: Start difference. First operand has 207 places, 213 transitions, 436 flow. Second operand 3 states and 684 transitions. [2022-11-18 20:49:40,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 219 transitions, 502 flow [2022-11-18 20:49:40,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 219 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:40,471 INFO L231 Difference]: Finished difference. Result has 207 places, 213 transitions, 440 flow [2022-11-18 20:49:40,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=207, PETRI_TRANSITIONS=213} [2022-11-18 20:49:40,473 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -22 predicate places. [2022-11-18 20:49:40,473 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 213 transitions, 440 flow [2022-11-18 20:49:40,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,474 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:40,474 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] [2022-11-18 20:49:40,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:49:40,475 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:40,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:40,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1671242356, now seen corresponding path program 1 times [2022-11-18 20:49:40,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:40,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412813533] [2022-11-18 20:49:40,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:40,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:40,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:40,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412813533] [2022-11-18 20:49:40,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412813533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:40,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:40,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:40,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328318832] [2022-11-18 20:49:40,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:40,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:40,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:40,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:40,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:40,531 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2022-11-18 20:49:40,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 213 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:40,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2022-11-18 20:49:40,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:40,736 INFO L130 PetriNetUnfolder]: 206/822 cut-off events. [2022-11-18 20:49:40,737 INFO L131 PetriNetUnfolder]: For 21/30 co-relation queries the response was YES. [2022-11-18 20:49:40,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 822 events. 206/822 cut-off events. For 21/30 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4507 event pairs, 31 based on Foata normal form. 2/693 useless extension candidates. Maximal degree in co-relation 1031. Up to 171 conditions per place. [2022-11-18 20:49:40,752 INFO L137 encePairwiseOnDemand]: 251/257 looper letters, 30 selfloop transitions, 3 changer transitions 0/220 dead transitions. [2022-11-18 20:49:40,753 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 220 transitions, 525 flow [2022-11-18 20:49:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 675 transitions. [2022-11-18 20:49:40,756 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8754863813229572 [2022-11-18 20:49:40,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 675 transitions. [2022-11-18 20:49:40,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 675 transitions. [2022-11-18 20:49:40,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:40,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 675 transitions. [2022-11-18 20:49:40,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,761 INFO L175 Difference]: Start difference. First operand has 207 places, 213 transitions, 440 flow. Second operand 3 states and 675 transitions. [2022-11-18 20:49:40,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 220 transitions, 525 flow [2022-11-18 20:49:40,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 220 transitions, 523 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:40,767 INFO L231 Difference]: Finished difference. Result has 206 places, 211 transitions, 445 flow [2022-11-18 20:49:40,768 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=445, PETRI_PLACES=206, PETRI_TRANSITIONS=211} [2022-11-18 20:49:40,768 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -23 predicate places. [2022-11-18 20:49:40,769 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 211 transitions, 445 flow [2022-11-18 20:49:40,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:40,770 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:40,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:49:40,770 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:40,771 INFO L85 PathProgramCache]: Analyzing trace with hash 214228203, now seen corresponding path program 1 times [2022-11-18 20:49:40,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:40,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696162759] [2022-11-18 20:49:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:40,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696162759] [2022-11-18 20:49:40,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696162759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:40,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:40,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352310777] [2022-11-18 20:49:40,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:40,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:40,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:40,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:40,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:40,818 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 257 [2022-11-18 20:49:40,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 211 transitions, 445 flow. Second operand has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:40,819 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:40,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 257 [2022-11-18 20:49:40,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:41,005 INFO L130 PetriNetUnfolder]: 198/885 cut-off events. [2022-11-18 20:49:41,005 INFO L131 PetriNetUnfolder]: For 35/43 co-relation queries the response was YES. [2022-11-18 20:49:41,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 885 events. 198/885 cut-off events. For 35/43 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4993 event pairs, 44 based on Foata normal form. 2/722 useless extension candidates. Maximal degree in co-relation 838. Up to 120 conditions per place. [2022-11-18 20:49:41,018 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 24 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2022-11-18 20:49:41,018 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 217 transitions, 511 flow [2022-11-18 20:49:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2022-11-18 20:49:41,021 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8871595330739299 [2022-11-18 20:49:41,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 684 transitions. [2022-11-18 20:49:41,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 684 transitions. [2022-11-18 20:49:41,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:41,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 684 transitions. [2022-11-18 20:49:41,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,026 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,027 INFO L175 Difference]: Start difference. First operand has 206 places, 211 transitions, 445 flow. Second operand 3 states and 684 transitions. [2022-11-18 20:49:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 217 transitions, 511 flow [2022-11-18 20:49:41,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 217 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:41,032 INFO L231 Difference]: Finished difference. Result has 207 places, 211 transitions, 450 flow [2022-11-18 20:49:41,032 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=207, PETRI_TRANSITIONS=211} [2022-11-18 20:49:41,033 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -22 predicate places. [2022-11-18 20:49:41,033 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 211 transitions, 450 flow [2022-11-18 20:49:41,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,034 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:41,034 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] [2022-11-18 20:49:41,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:49:41,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:41,036 INFO L85 PathProgramCache]: Analyzing trace with hash -248262492, now seen corresponding path program 1 times [2022-11-18 20:49:41,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:41,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763594269] [2022-11-18 20:49:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:41,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:41,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763594269] [2022-11-18 20:49:41,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763594269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:41,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:41,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873644687] [2022-11-18 20:49:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:41,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:41,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:41,087 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2022-11-18 20:49:41,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 211 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:41,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2022-11-18 20:49:41,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:41,431 INFO L130 PetriNetUnfolder]: 324/1467 cut-off events. [2022-11-18 20:49:41,432 INFO L131 PetriNetUnfolder]: For 66/68 co-relation queries the response was YES. [2022-11-18 20:49:41,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1916 conditions, 1467 events. 324/1467 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 10130 event pairs, 80 based on Foata normal form. 0/1204 useless extension candidates. Maximal degree in co-relation 1365. Up to 240 conditions per place. [2022-11-18 20:49:41,455 INFO L137 encePairwiseOnDemand]: 251/257 looper letters, 29 selfloop transitions, 3 changer transitions 0/217 dead transitions. [2022-11-18 20:49:41,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 217 transitions, 530 flow [2022-11-18 20:49:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 674 transitions. [2022-11-18 20:49:41,458 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.874189364461738 [2022-11-18 20:49:41,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 674 transitions. [2022-11-18 20:49:41,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 674 transitions. [2022-11-18 20:49:41,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:41,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 674 transitions. [2022-11-18 20:49:41,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,465 INFO L175 Difference]: Start difference. First operand has 207 places, 211 transitions, 450 flow. Second operand 3 states and 674 transitions. [2022-11-18 20:49:41,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 217 transitions, 530 flow [2022-11-18 20:49:41,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 217 transitions, 528 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:41,473 INFO L231 Difference]: Finished difference. Result has 206 places, 209 transitions, 455 flow [2022-11-18 20:49:41,474 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=206, PETRI_TRANSITIONS=209} [2022-11-18 20:49:41,476 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -23 predicate places. [2022-11-18 20:49:41,476 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 209 transitions, 455 flow [2022-11-18 20:49:41,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,477 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:41,477 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] [2022-11-18 20:49:41,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:49:41,478 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:41,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1395490109, now seen corresponding path program 1 times [2022-11-18 20:49:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:41,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745794896] [2022-11-18 20:49:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:41,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745794896] [2022-11-18 20:49:41,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745794896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:41,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:41,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865799758] [2022-11-18 20:49:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:41,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:41,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:41,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:41,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:41,584 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 257 [2022-11-18 20:49:41,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 209 transitions, 455 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:41,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 257 [2022-11-18 20:49:41,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:41,853 INFO L130 PetriNetUnfolder]: 241/1115 cut-off events. [2022-11-18 20:49:41,854 INFO L131 PetriNetUnfolder]: For 37/43 co-relation queries the response was YES. [2022-11-18 20:49:41,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1512 conditions, 1115 events. 241/1115 cut-off events. For 37/43 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7004 event pairs, 86 based on Foata normal form. 0/925 useless extension candidates. Maximal degree in co-relation 1258. Up to 255 conditions per place. [2022-11-18 20:49:41,873 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 29 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2022-11-18 20:49:41,873 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 214 transitions, 529 flow [2022-11-18 20:49:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2022-11-18 20:49:41,876 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8612191958495461 [2022-11-18 20:49:41,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2022-11-18 20:49:41,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2022-11-18 20:49:41,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:41,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2022-11-18 20:49:41,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,881 INFO L175 Difference]: Start difference. First operand has 206 places, 209 transitions, 455 flow. Second operand 3 states and 664 transitions. [2022-11-18 20:49:41,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 214 transitions, 529 flow [2022-11-18 20:49:41,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 214 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:41,886 INFO L231 Difference]: Finished difference. Result has 206 places, 208 transitions, 454 flow [2022-11-18 20:49:41,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=206, PETRI_TRANSITIONS=208} [2022-11-18 20:49:41,888 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -23 predicate places. [2022-11-18 20:49:41,888 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 208 transitions, 454 flow [2022-11-18 20:49:41,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,889 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:41,889 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] [2022-11-18 20:49:41,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:49:41,889 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash 688564801, now seen corresponding path program 1 times [2022-11-18 20:49:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:41,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149065036] [2022-11-18 20:49:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:41,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:41,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149065036] [2022-11-18 20:49:41,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149065036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:41,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:41,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:41,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105667324] [2022-11-18 20:49:41,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:41,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:41,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:41,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:41,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:41,950 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 257 [2022-11-18 20:49:41,951 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 208 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:41,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:41,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 257 [2022-11-18 20:49:41,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:42,140 INFO L130 PetriNetUnfolder]: 196/918 cut-off events. [2022-11-18 20:49:42,141 INFO L131 PetriNetUnfolder]: For 61/73 co-relation queries the response was YES. [2022-11-18 20:49:42,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 918 events. 196/918 cut-off events. For 61/73 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5432 event pairs, 50 based on Foata normal form. 4/760 useless extension candidates. Maximal degree in co-relation 867. Up to 136 conditions per place. [2022-11-18 20:49:42,154 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 24 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2022-11-18 20:49:42,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 214 transitions, 520 flow [2022-11-18 20:49:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2022-11-18 20:49:42,157 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8871595330739299 [2022-11-18 20:49:42,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 684 transitions. [2022-11-18 20:49:42,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 684 transitions. [2022-11-18 20:49:42,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:42,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 684 transitions. [2022-11-18 20:49:42,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,163 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,163 INFO L175 Difference]: Start difference. First operand has 206 places, 208 transitions, 454 flow. Second operand 3 states and 684 transitions. [2022-11-18 20:49:42,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 214 transitions, 520 flow [2022-11-18 20:49:42,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 214 transitions, 516 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:42,168 INFO L231 Difference]: Finished difference. Result has 206 places, 208 transitions, 458 flow [2022-11-18 20:49:42,169 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=206, PETRI_TRANSITIONS=208} [2022-11-18 20:49:42,169 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -23 predicate places. [2022-11-18 20:49:42,170 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 208 transitions, 458 flow [2022-11-18 20:49:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,170 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:42,171 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] [2022-11-18 20:49:42,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:49:42,171 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:42,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash 270967385, now seen corresponding path program 1 times [2022-11-18 20:49:42,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:42,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115122522] [2022-11-18 20:49:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:42,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:42,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:42,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115122522] [2022-11-18 20:49:42,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115122522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:42,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:42,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:42,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4250159] [2022-11-18 20:49:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:42,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:42,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:42,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:42,240 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2022-11-18 20:49:42,241 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 208 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,241 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:42,241 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2022-11-18 20:49:42,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:42,520 INFO L130 PetriNetUnfolder]: 276/1170 cut-off events. [2022-11-18 20:49:42,521 INFO L131 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2022-11-18 20:49:42,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1655 conditions, 1170 events. 276/1170 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7553 event pairs, 74 based on Foata normal form. 0/1008 useless extension candidates. Maximal degree in co-relation 1100. Up to 252 conditions per place. [2022-11-18 20:49:42,534 INFO L137 encePairwiseOnDemand]: 251/257 looper letters, 28 selfloop transitions, 3 changer transitions 0/213 dead transitions. [2022-11-18 20:49:42,534 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 213 transitions, 533 flow [2022-11-18 20:49:42,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2022-11-18 20:49:42,537 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8728923476005188 [2022-11-18 20:49:42,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2022-11-18 20:49:42,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2022-11-18 20:49:42,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:42,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2022-11-18 20:49:42,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,543 INFO L175 Difference]: Start difference. First operand has 206 places, 208 transitions, 458 flow. Second operand 3 states and 673 transitions. [2022-11-18 20:49:42,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 213 transitions, 533 flow [2022-11-18 20:49:42,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 213 transitions, 531 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:42,548 INFO L231 Difference]: Finished difference. Result has 205 places, 206 transitions, 463 flow [2022-11-18 20:49:42,549 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=205, PETRI_TRANSITIONS=206} [2022-11-18 20:49:42,549 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -24 predicate places. [2022-11-18 20:49:42,550 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 206 transitions, 463 flow [2022-11-18 20:49:42,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:42,551 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] [2022-11-18 20:49:42,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:49:42,551 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash -487596145, now seen corresponding path program 1 times [2022-11-18 20:49:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:42,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583205337] [2022-11-18 20:49:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:42,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:42,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583205337] [2022-11-18 20:49:42,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583205337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:42,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:42,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:42,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413429607] [2022-11-18 20:49:42,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:42,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:42,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:42,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:42,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:42,598 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 257 [2022-11-18 20:49:42,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 206 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:42,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 257 [2022-11-18 20:49:42,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:42,897 INFO L130 PetriNetUnfolder]: 382/1570 cut-off events. [2022-11-18 20:49:42,898 INFO L131 PetriNetUnfolder]: For 108/116 co-relation queries the response was YES. [2022-11-18 20:49:42,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2288 conditions, 1570 events. 382/1570 cut-off events. For 108/116 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 10673 event pairs, 126 based on Foata normal form. 0/1342 useless extension candidates. Maximal degree in co-relation 1515. Up to 390 conditions per place. [2022-11-18 20:49:42,920 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 29 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2022-11-18 20:49:42,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 211 transitions, 537 flow [2022-11-18 20:49:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:42,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2022-11-18 20:49:42,924 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8612191958495461 [2022-11-18 20:49:42,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2022-11-18 20:49:42,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2022-11-18 20:49:42,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:42,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2022-11-18 20:49:42,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,930 INFO L175 Difference]: Start difference. First operand has 205 places, 206 transitions, 463 flow. Second operand 3 states and 664 transitions. [2022-11-18 20:49:42,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 211 transitions, 537 flow [2022-11-18 20:49:42,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 211 transitions, 534 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:42,936 INFO L231 Difference]: Finished difference. Result has 205 places, 205 transitions, 462 flow [2022-11-18 20:49:42,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2022-11-18 20:49:42,938 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -24 predicate places. [2022-11-18 20:49:42,938 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 462 flow [2022-11-18 20:49:42,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:42,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:42,939 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] [2022-11-18 20:49:42,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:49:42,940 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:42,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1938646850, now seen corresponding path program 1 times [2022-11-18 20:49:42,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:42,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969831645] [2022-11-18 20:49:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:43,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:43,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969831645] [2022-11-18 20:49:43,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969831645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:43,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:43,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:43,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876679591] [2022-11-18 20:49:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:43,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:49:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:43,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:49:43,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:43,338 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 257 [2022-11-18 20:49:43,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 462 flow. Second operand has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:43,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 257 [2022-11-18 20:49:43,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:43,711 INFO L130 PetriNetUnfolder]: 512/1208 cut-off events. [2022-11-18 20:49:43,711 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 20:49:43,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1976 conditions, 1208 events. 512/1208 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5922 event pairs, 22 based on Foata normal form. 0/1072 useless extension candidates. Maximal degree in co-relation 1705. Up to 480 conditions per place. [2022-11-18 20:49:43,733 INFO L137 encePairwiseOnDemand]: 252/257 looper letters, 53 selfloop transitions, 4 changer transitions 0/228 dead transitions. [2022-11-18 20:49:43,734 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 228 transitions, 622 flow [2022-11-18 20:49:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:49:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:49:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1282 transitions. [2022-11-18 20:49:43,737 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8313878080415046 [2022-11-18 20:49:43,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1282 transitions. [2022-11-18 20:49:43,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1282 transitions. [2022-11-18 20:49:43,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:43,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1282 transitions. [2022-11-18 20:49:43,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,747 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,747 INFO L175 Difference]: Start difference. First operand has 205 places, 205 transitions, 462 flow. Second operand 6 states and 1282 transitions. [2022-11-18 20:49:43,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 228 transitions, 622 flow [2022-11-18 20:49:43,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 228 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:43,752 INFO L231 Difference]: Finished difference. Result has 207 places, 204 transitions, 464 flow [2022-11-18 20:49:43,753 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=464, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2022-11-18 20:49:43,754 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -22 predicate places. [2022-11-18 20:49:43,754 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 464 flow [2022-11-18 20:49:43,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,755 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:43,755 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:43,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:49:43,756 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:43,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:43,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1360256092, now seen corresponding path program 1 times [2022-11-18 20:49:43,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:43,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051192183] [2022-11-18 20:49:43,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:43,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:43,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:43,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051192183] [2022-11-18 20:49:43,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051192183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:43,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:43,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:43,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810891426] [2022-11-18 20:49:43,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:43,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:43,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:43,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:43,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:43,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 257 [2022-11-18 20:49:43,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:43,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:43,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 257 [2022-11-18 20:49:43,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:44,041 INFO L130 PetriNetUnfolder]: 215/1149 cut-off events. [2022-11-18 20:49:44,041 INFO L131 PetriNetUnfolder]: For 39/46 co-relation queries the response was YES. [2022-11-18 20:49:44,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1631 conditions, 1149 events. 215/1149 cut-off events. For 39/46 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 6809 event pairs, 70 based on Foata normal form. 0/1001 useless extension candidates. Maximal degree in co-relation 1312. Up to 227 conditions per place. [2022-11-18 20:49:44,063 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 25 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2022-11-18 20:49:44,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 209 transitions, 530 flow [2022-11-18 20:49:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-18 20:49:44,066 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8793774319066148 [2022-11-18 20:49:44,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:44,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,073 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 464 flow. Second operand 3 states and 678 transitions. [2022-11-18 20:49:44,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 209 transitions, 530 flow [2022-11-18 20:49:44,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 209 transitions, 523 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:49:44,078 INFO L231 Difference]: Finished difference. Result has 204 places, 203 transitions, 459 flow [2022-11-18 20:49:44,079 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=204, PETRI_TRANSITIONS=203} [2022-11-18 20:49:44,079 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -25 predicate places. [2022-11-18 20:49:44,080 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 203 transitions, 459 flow [2022-11-18 20:49:44,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:44,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:44,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:49:44,084 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:44,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1144336836, now seen corresponding path program 1 times [2022-11-18 20:49:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:44,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770090167] [2022-11-18 20:49:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:44,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:44,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770090167] [2022-11-18 20:49:44,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770090167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:44,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:44,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:44,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154324612] [2022-11-18 20:49:44,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:44,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:44,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:44,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:44,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:44,157 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 257 [2022-11-18 20:49:44,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 203 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:44,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 257 [2022-11-18 20:49:44,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:44,430 INFO L130 PetriNetUnfolder]: 296/1015 cut-off events. [2022-11-18 20:49:44,430 INFO L131 PetriNetUnfolder]: For 129/141 co-relation queries the response was YES. [2022-11-18 20:49:44,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 1015 events. 296/1015 cut-off events. For 129/141 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6384 event pairs, 134 based on Foata normal form. 0/892 useless extension candidates. Maximal degree in co-relation 1555. Up to 360 conditions per place. [2022-11-18 20:49:44,446 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 29 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2022-11-18 20:49:44,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 208 transitions, 533 flow [2022-11-18 20:49:44,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2022-11-18 20:49:44,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8612191958495461 [2022-11-18 20:49:44,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2022-11-18 20:49:44,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2022-11-18 20:49:44,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:44,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2022-11-18 20:49:44,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,454 INFO L175 Difference]: Start difference. First operand has 204 places, 203 transitions, 459 flow. Second operand 3 states and 664 transitions. [2022-11-18 20:49:44,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 208 transitions, 533 flow [2022-11-18 20:49:44,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 208 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:44,459 INFO L231 Difference]: Finished difference. Result has 203 places, 202 transitions, 457 flow [2022-11-18 20:49:44,460 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=203, PETRI_TRANSITIONS=202} [2022-11-18 20:49:44,460 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -26 predicate places. [2022-11-18 20:49:44,460 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 202 transitions, 457 flow [2022-11-18 20:49:44,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,461 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:44,461 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] [2022-11-18 20:49:44,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:49:44,462 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1023217066, now seen corresponding path program 1 times [2022-11-18 20:49:44,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:44,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360229592] [2022-11-18 20:49:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:44,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:44,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360229592] [2022-11-18 20:49:44,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360229592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:44,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:44,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:44,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212182603] [2022-11-18 20:49:44,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:44,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:44,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:44,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:44,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:44,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 257 [2022-11-18 20:49:44,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 202 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:44,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 257 [2022-11-18 20:49:44,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:44,777 INFO L130 PetriNetUnfolder]: 330/1469 cut-off events. [2022-11-18 20:49:44,777 INFO L131 PetriNetUnfolder]: For 96/108 co-relation queries the response was YES. [2022-11-18 20:49:44,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2136 conditions, 1469 events. 330/1469 cut-off events. For 96/108 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9500 event pairs, 100 based on Foata normal form. 0/1280 useless extension candidates. Maximal degree in co-relation 1417. Up to 322 conditions per place. [2022-11-18 20:49:44,798 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 25 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2022-11-18 20:49:44,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 207 transitions, 523 flow [2022-11-18 20:49:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-18 20:49:44,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8793774319066148 [2022-11-18 20:49:44,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:44,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-18 20:49:44,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,842 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,843 INFO L175 Difference]: Start difference. First operand has 203 places, 202 transitions, 457 flow. Second operand 3 states and 678 transitions. [2022-11-18 20:49:44,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 207 transitions, 523 flow [2022-11-18 20:49:44,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 207 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:44,848 INFO L231 Difference]: Finished difference. Result has 202 places, 201 transitions, 455 flow [2022-11-18 20:49:44,849 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=202, PETRI_TRANSITIONS=201} [2022-11-18 20:49:44,849 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -27 predicate places. [2022-11-18 20:49:44,850 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 201 transitions, 455 flow [2022-11-18 20:49:44,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,850 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:44,850 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:44,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:49:44,851 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:44,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1646766708, now seen corresponding path program 1 times [2022-11-18 20:49:44,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:44,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15228157] [2022-11-18 20:49:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:44,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:44,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:44,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15228157] [2022-11-18 20:49:44,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15228157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:44,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:44,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:49:44,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563526591] [2022-11-18 20:49:44,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:44,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:44,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:44,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:44,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 257 [2022-11-18 20:49:44,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 201 transitions, 455 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:44,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:44,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 257 [2022-11-18 20:49:44,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:45,157 INFO L130 PetriNetUnfolder]: 173/921 cut-off events. [2022-11-18 20:49:45,157 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-18 20:49:45,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 921 events. 173/921 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4975 event pairs, 26 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1262. Up to 120 conditions per place. [2022-11-18 20:49:45,173 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 25 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2022-11-18 20:49:45,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 211 transitions, 531 flow [2022-11-18 20:49:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2022-11-18 20:49:45,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9040207522697795 [2022-11-18 20:49:45,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 697 transitions. [2022-11-18 20:49:45,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 697 transitions. [2022-11-18 20:49:45,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:45,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 697 transitions. [2022-11-18 20:49:45,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,183 INFO L175 Difference]: Start difference. First operand has 202 places, 201 transitions, 455 flow. Second operand 3 states and 697 transitions. [2022-11-18 20:49:45,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 211 transitions, 531 flow [2022-11-18 20:49:45,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 211 transitions, 527 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:45,188 INFO L231 Difference]: Finished difference. Result has 203 places, 202 transitions, 463 flow [2022-11-18 20:49:45,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=203, PETRI_TRANSITIONS=202} [2022-11-18 20:49:45,189 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -26 predicate places. [2022-11-18 20:49:45,190 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 202 transitions, 463 flow [2022-11-18 20:49:45,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,191 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:45,191 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:45,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:49:45,191 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1211600597, now seen corresponding path program 1 times [2022-11-18 20:49:45,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:45,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281850016] [2022-11-18 20:49:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:45,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:45,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:45,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281850016] [2022-11-18 20:49:45,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281850016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:45,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:45,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:45,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966756899] [2022-11-18 20:49:45,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:45,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:45,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:45,245 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 257 [2022-11-18 20:49:45,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 202 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,246 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:45,246 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 257 [2022-11-18 20:49:45,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:45,497 INFO L130 PetriNetUnfolder]: 263/971 cut-off events. [2022-11-18 20:49:45,497 INFO L131 PetriNetUnfolder]: For 59/71 co-relation queries the response was YES. [2022-11-18 20:49:45,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 971 events. 263/971 cut-off events. For 59/71 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5847 event pairs, 96 based on Foata normal form. 0/858 useless extension candidates. Maximal degree in co-relation 1024. Up to 285 conditions per place. [2022-11-18 20:49:45,510 INFO L137 encePairwiseOnDemand]: 254/257 looper letters, 25 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2022-11-18 20:49:45,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 207 transitions, 529 flow [2022-11-18 20:49:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-18 20:49:45,512 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8793774319066148 [2022-11-18 20:49:45,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-18 20:49:45,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-18 20:49:45,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:45,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-18 20:49:45,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,517 INFO L175 Difference]: Start difference. First operand has 203 places, 202 transitions, 463 flow. Second operand 3 states and 678 transitions. [2022-11-18 20:49:45,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 207 transitions, 529 flow [2022-11-18 20:49:45,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 207 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:49:45,522 INFO L231 Difference]: Finished difference. Result has 203 places, 201 transitions, 463 flow [2022-11-18 20:49:45,523 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=203, PETRI_TRANSITIONS=201} [2022-11-18 20:49:45,523 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -26 predicate places. [2022-11-18 20:49:45,524 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 201 transitions, 463 flow [2022-11-18 20:49:45,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:45,524 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:45,525 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:45,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:49:45,525 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:45,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:45,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1920209152, now seen corresponding path program 1 times [2022-11-18 20:49:45,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:45,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093721438] [2022-11-18 20:49:45,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:45,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:49:46,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:46,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093721438] [2022-11-18 20:49:46,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093721438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:46,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:46,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:46,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465762620] [2022-11-18 20:49:46,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:46,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:49:46,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:46,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:49:46,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:46,105 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 257 [2022-11-18 20:49:46,107 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 201 transitions, 463 flow. Second operand has 6 states, 6 states have (on average 207.16666666666666) internal successors, (1243), 6 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:46,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:46,107 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 257 [2022-11-18 20:49:46,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:46,377 INFO L130 PetriNetUnfolder]: 367/995 cut-off events. [2022-11-18 20:49:46,377 INFO L131 PetriNetUnfolder]: For 7/18 co-relation queries the response was YES. [2022-11-18 20:49:46,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1608 conditions, 995 events. 367/995 cut-off events. For 7/18 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5158 event pairs, 128 based on Foata normal form. 0/880 useless extension candidates. Maximal degree in co-relation 1550. Up to 362 conditions per place. [2022-11-18 20:49:46,398 INFO L137 encePairwiseOnDemand]: 252/257 looper letters, 44 selfloop transitions, 4 changer transitions 0/216 dead transitions. [2022-11-18 20:49:46,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 216 transitions, 589 flow [2022-11-18 20:49:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:49:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:49:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2022-11-18 20:49:46,404 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8255512321660181 [2022-11-18 20:49:46,404 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1273 transitions. [2022-11-18 20:49:46,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1273 transitions. [2022-11-18 20:49:46,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:46,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1273 transitions. [2022-11-18 20:49:46,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.16666666666666) internal successors, (1273), 6 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:46,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:46,412 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:46,413 INFO L175 Difference]: Start difference. First operand has 203 places, 201 transitions, 463 flow. Second operand 6 states and 1273 transitions. [2022-11-18 20:49:46,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 216 transitions, 589 flow [2022-11-18 20:49:46,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 216 transitions, 585 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:49:46,418 INFO L231 Difference]: Finished difference. Result has 205 places, 200 transitions, 465 flow [2022-11-18 20:49:46,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=205, PETRI_TRANSITIONS=200} [2022-11-18 20:49:46,420 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -24 predicate places. [2022-11-18 20:49:46,421 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 200 transitions, 465 flow [2022-11-18 20:49:46,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.16666666666666) internal successors, (1243), 6 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:46,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:46,422 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:46,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:49:46,422 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:46,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash -959730854, now seen corresponding path program 1 times [2022-11-18 20:49:46,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:46,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475562695] [2022-11-18 20:49:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:46,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:49:47,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:47,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475562695] [2022-11-18 20:49:47,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475562695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:47,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:47,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:47,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063147224] [2022-11-18 20:49:47,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:47,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:49:47,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:47,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:49:47,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:47,031 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 257 [2022-11-18 20:49:47,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 200 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:47,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 257 [2022-11-18 20:49:47,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:47,295 INFO L130 PetriNetUnfolder]: 369/994 cut-off events. [2022-11-18 20:49:47,295 INFO L131 PetriNetUnfolder]: For 5/17 co-relation queries the response was YES. [2022-11-18 20:49:47,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 994 events. 369/994 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 5168 event pairs, 153 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 1330. Up to 439 conditions per place. [2022-11-18 20:49:47,317 INFO L137 encePairwiseOnDemand]: 252/257 looper letters, 35 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2022-11-18 20:49:47,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 207 transitions, 557 flow [2022-11-18 20:49:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:49:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:49:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1264 transitions. [2022-11-18 20:49:47,321 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8197146562905318 [2022-11-18 20:49:47,321 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1264 transitions. [2022-11-18 20:49:47,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1264 transitions. [2022-11-18 20:49:47,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:47,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1264 transitions. [2022-11-18 20:49:47,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,330 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,330 INFO L175 Difference]: Start difference. First operand has 205 places, 200 transitions, 465 flow. Second operand 6 states and 1264 transitions. [2022-11-18 20:49:47,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 207 transitions, 557 flow [2022-11-18 20:49:47,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 207 transitions, 550 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:49:47,335 INFO L231 Difference]: Finished difference. Result has 205 places, 199 transitions, 464 flow [2022-11-18 20:49:47,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=464, PETRI_PLACES=205, PETRI_TRANSITIONS=199} [2022-11-18 20:49:47,336 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -24 predicate places. [2022-11-18 20:49:47,337 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 199 transitions, 464 flow [2022-11-18 20:49:47,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:49:47,338 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:47,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:49:47,338 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-11-18 20:49:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:47,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1691706594, now seen corresponding path program 1 times [2022-11-18 20:49:47,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:47,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230265875] [2022-11-18 20:49:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:47,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:49:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:47,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230265875] [2022-11-18 20:49:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230265875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:47,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:47,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109830609] [2022-11-18 20:49:47,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:47,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:49:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:47,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:49:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:49:47,444 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 257 [2022-11-18 20:49:47,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 199 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:49:47,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 257 [2022-11-18 20:49:47,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:49:47,601 INFO L130 PetriNetUnfolder]: 107/783 cut-off events. [2022-11-18 20:49:47,601 INFO L131 PetriNetUnfolder]: For 12/18 co-relation queries the response was YES. [2022-11-18 20:49:47,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 783 events. 107/783 cut-off events. For 12/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3710 event pairs, 24 based on Foata normal form. 4/698 useless extension candidates. Maximal degree in co-relation 987. Up to 101 conditions per place. [2022-11-18 20:49:47,610 INFO L137 encePairwiseOnDemand]: 255/257 looper letters, 0 selfloop transitions, 0 changer transitions 198/198 dead transitions. [2022-11-18 20:49:47,610 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 488 flow [2022-11-18 20:49:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:49:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:49:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2022-11-18 20:49:47,613 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.893644617380026 [2022-11-18 20:49:47,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 689 transitions. [2022-11-18 20:49:47,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 689 transitions. [2022-11-18 20:49:47,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:47,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 689 transitions. [2022-11-18 20:49:47,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,618 INFO L175 Difference]: Start difference. First operand has 205 places, 199 transitions, 464 flow. Second operand 3 states and 689 transitions. [2022-11-18 20:49:47,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 488 flow [2022-11-18 20:49:47,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 198 transitions, 481 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:49:47,622 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2022-11-18 20:49:47,622 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2022-11-18 20:49:47,623 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -27 predicate places. [2022-11-18 20:49:47,623 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2022-11-18 20:49:47,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:47,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2022-11-18 20:49:47,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2022-11-18 20:49:47,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2022-11-18 20:49:47,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2022-11-18 20:49:47,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2022-11-18 20:49:47,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2022-11-18 20:49:47,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2022-11-18 20:49:47,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2022-11-18 20:49:47,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2022-11-18 20:49:47,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2022-11-18 20:49:47,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2022-11-18 20:49:47,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2022-11-18 20:49:47,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2022-11-18 20:49:47,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2022-11-18 20:49:47,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2022-11-18 20:49:47,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2022-11-18 20:49:47,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2022-11-18 20:49:47,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2022-11-18 20:49:47,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2022-11-18 20:49:47,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2022-11-18 20:49:47,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2022-11-18 20:49:47,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2022-11-18 20:49:47,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2022-11-18 20:49:47,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2022-11-18 20:49:47,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2022-11-18 20:49:47,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2022-11-18 20:49:47,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2022-11-18 20:49:47,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2022-11-18 20:49:47,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2022-11-18 20:49:47,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2022-11-18 20:49:47,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2022-11-18 20:49:47,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2022-11-18 20:49:47,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2022-11-18 20:49:47,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2022-11-18 20:49:47,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2022-11-18 20:49:47,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2022-11-18 20:49:47,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2022-11-18 20:49:47,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2022-11-18 20:49:47,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2022-11-18 20:49:47,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2022-11-18 20:49:47,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 73 remaining) [2022-11-18 20:49:47,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2022-11-18 20:49:47,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2022-11-18 20:49:47,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2022-11-18 20:49:47,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2022-11-18 20:49:47,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2022-11-18 20:49:47,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2022-11-18 20:49:47,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2022-11-18 20:49:47,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2022-11-18 20:49:47,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2022-11-18 20:49:47,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2022-11-18 20:49:47,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2022-11-18 20:49:47,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2022-11-18 20:49:47,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2022-11-18 20:49:47,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2022-11-18 20:49:47,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2022-11-18 20:49:47,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2022-11-18 20:49:47,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2022-11-18 20:49:47,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2022-11-18 20:49:47,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2022-11-18 20:49:47,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2022-11-18 20:49:47,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2022-11-18 20:49:47,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2022-11-18 20:49:47,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2022-11-18 20:49:47,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2022-11-18 20:49:47,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2022-11-18 20:49:47,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2022-11-18 20:49:47,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2022-11-18 20:49:47,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2022-11-18 20:49:47,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2022-11-18 20:49:47,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2022-11-18 20:49:47,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2022-11-18 20:49:47,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2022-11-18 20:49:47,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:49:47,645 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:47,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:49:47,653 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:49:47,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:49:47 BasicIcfg [2022-11-18 20:49:47,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:49:47,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:49:47,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:49:47,662 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:49:47,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37" (3/4) ... [2022-11-18 20:49:47,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:49:47,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:49:47,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:49:47,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 20:49:47,678 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 20:49:47,679 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:49:47,679 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:49:47,679 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:49:47,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:49:47,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:49:47,735 INFO L158 Benchmark]: Toolchain (without parser) took 12281.11ms. Allocated memory was 100.7MB in the beginning and 276.8MB in the end (delta: 176.2MB). Free memory was 66.5MB in the beginning and 198.5MB in the end (delta: -131.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,736 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:49:47,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.92ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 75.0MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.09ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,737 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,738 INFO L158 Benchmark]: RCFGBuilder took 1093.30ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 96.8MB in the end (delta: -25.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,738 INFO L158 Benchmark]: TraceAbstraction took 10651.88ms. Allocated memory was 123.7MB in the beginning and 276.8MB in the end (delta: 153.1MB). Free memory was 96.2MB in the beginning and 201.6MB in the end (delta: -105.4MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,739 INFO L158 Benchmark]: Witness Printer took 73.02ms. Allocated memory is still 276.8MB. Free memory was 201.6MB in the beginning and 198.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:47,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.92ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 75.0MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.09ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.30ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 96.8MB in the end (delta: -25.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10651.88ms. Allocated memory was 123.7MB in the beginning and 276.8MB in the end (delta: 153.1MB). Free memory was 96.2MB in the beginning and 201.6MB in the end (delta: -105.4MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. * Witness Printer took 73.02ms. Allocated memory is still 276.8MB. Free memory was 201.6MB in the beginning and 198.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 75]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: 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: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 362 locations, 73 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: 10.4s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 215 mSDtfsCounter, 949 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1643 NumberOfCodeBlocks, 1643 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 1983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 9/9 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:49:47,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8c17de-074a-4136-82df-160248f7e0a2/bin/uautomizer-TMbwUNV5ro/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