./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc --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 8e3c959108026afa89c4d07543133cda81a16d409ef9b7609f190c1caa51d799 --- 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-5e519f3 [2022-11-02 20:58:04,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:04,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:04,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:04,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:04,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:05,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:05,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:05,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:05,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:05,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:05,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:05,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:05,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:05,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:05,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:05,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:05,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:05,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:05,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:05,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:05,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:05,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:05,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:05,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:05,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:05,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:05,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:05,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:05,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:05,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:05,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:05,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:05,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:05,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:05,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:05,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:05,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:05,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:05,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:05,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:05,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:58:05,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:05,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:05,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:05,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:05,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:58:05,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:58:05,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:05,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:05,107 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:05,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:05,109 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:58:05,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:05,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:05,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:58:05,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:05,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:58:05,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:58:05,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:58:05,110 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:58:05,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:58:05,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:05,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:05,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:58:05,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:05,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:05,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:58:05,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:05,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:05,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:58:05,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:58:05,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:05,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:58:05,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:58:05,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:58:05,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:58:05,114 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_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e3c959108026afa89c4d07543133cda81a16d409ef9b7609f190c1caa51d799 [2022-11-02 20:58:05,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:05,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:05,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:05,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:05,450 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:05,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2022-11-02 20:58:05,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/data/766a81270/e714e4cded504873ba7a030d13a90fd5/FLAGd44dc40fd [2022-11-02 20:58:06,040 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:06,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2022-11-02 20:58:06,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/data/766a81270/e714e4cded504873ba7a030d13a90fd5/FLAGd44dc40fd [2022-11-02 20:58:06,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/data/766a81270/e714e4cded504873ba7a030d13a90fd5 [2022-11-02 20:58:06,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:06,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:06,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:06,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:06,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:06,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f24dc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06, skipping insertion in model container [2022-11-02 20:58:06,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:06,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:06,644 WARN L230 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_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-11-02 20:58:06,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:06,653 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:06,680 WARN L230 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_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-11-02 20:58:06,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:06,696 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:06,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06 WrapperNode [2022-11-02 20:58:06,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:06,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:06,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:06,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:06,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,746 INFO L138 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-02 20:58:06,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:06,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:06,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:06,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:06,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:06,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:06,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:06,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:06,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (1/1) ... [2022-11-02 20:58:06,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:06,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:06,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:06,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:58:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:58:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:58:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:58:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:58:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:58:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:58:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:58:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:58:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:58:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:58:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:58:06,865 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:58:06,983 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:06,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:07,500 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:58:07,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:58:07,609 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:58:07,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:07 BoogieIcfgContainer [2022-11-02 20:58:07,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:58:07,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:58:07,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:58:07,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:58:07,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:58:06" (1/3) ... [2022-11-02 20:58:07,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27047468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:07, skipping insertion in model container [2022-11-02 20:58:07,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:06" (2/3) ... [2022-11-02 20:58:07,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27047468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:07, skipping insertion in model container [2022-11-02 20:58:07,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:07" (3/3) ... [2022-11-02 20:58:07,631 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2022-11-02 20:58:07,642 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:58:07,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:58:07,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-02 20:58:07,654 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:58:07,773 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:58:07,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 181 transitions, 378 flow [2022-11-02 20:58:07,916 INFO L130 PetriNetUnfolder]: 11/179 cut-off events. [2022-11-02 20:58:07,916 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:58:07,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 179 events. 11/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 307 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2022-11-02 20:58:07,921 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 181 transitions, 378 flow [2022-11-02 20:58:07,927 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 161 transitions, 334 flow [2022-11-02 20:58:07,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:58:07,968 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;@f455fa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:58:07,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-11-02 20:58:07,983 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-02 20:58:07,983 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:58:07,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:07,984 INFO L208 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] [2022-11-02 20:58:07,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:07,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash -833291474, now seen corresponding path program 1 times [2022-11-02 20:58:08,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:08,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157073005] [2022-11-02 20:58:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:08,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:08,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157073005] [2022-11-02 20:58:08,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157073005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:08,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:08,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:08,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174365860] [2022-11-02 20:58:08,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:08,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:08,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:08,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:08,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:08,280 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 181 [2022-11-02 20:58:08,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 161 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:08,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 181 [2022-11-02 20:58:08,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:08,485 INFO L130 PetriNetUnfolder]: 60/278 cut-off events. [2022-11-02 20:58:08,485 INFO L131 PetriNetUnfolder]: For 24/30 co-relation queries the response was YES. [2022-11-02 20:58:08,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 278 events. 60/278 cut-off events. For 24/30 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1047 event pairs, 27 based on Foata normal form. 18/239 useless extension candidates. Maximal degree in co-relation 304. Up to 94 conditions per place. [2022-11-02 20:58:08,495 INFO L137 encePairwiseOnDemand]: 168/181 looper letters, 23 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2022-11-02 20:58:08,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 150 transitions, 362 flow [2022-11-02 20:58:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2022-11-02 20:58:08,520 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.856353591160221 [2022-11-02 20:58:08,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2022-11-02 20:58:08,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2022-11-02 20:58:08,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:08,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2022-11-02 20:58:08,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,541 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,543 INFO L175 Difference]: Start difference. First operand has 158 places, 161 transitions, 334 flow. Second operand 3 states and 465 transitions. [2022-11-02 20:58:08,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 150 transitions, 362 flow [2022-11-02 20:58:08,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 150 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:08,557 INFO L231 Difference]: Finished difference. Result has 147 places, 150 transitions, 308 flow [2022-11-02 20:58:08,559 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=147, PETRI_TRANSITIONS=150} [2022-11-02 20:58:08,564 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -11 predicate places. [2022-11-02 20:58:08,564 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 150 transitions, 308 flow [2022-11-02 20:58:08,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:08,565 INFO L208 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] [2022-11-02 20:58:08,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:58:08,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:08,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1136841597, now seen corresponding path program 1 times [2022-11-02 20:58:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:08,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175963507] [2022-11-02 20:58:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:08,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:08,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175963507] [2022-11-02 20:58:08,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175963507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:08,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:08,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:08,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725989554] [2022-11-02 20:58:08,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:08,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:08,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:08,647 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 181 [2022-11-02 20:58:08,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 150 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:08,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 181 [2022-11-02 20:58:08,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:08,805 INFO L130 PetriNetUnfolder]: 57/269 cut-off events. [2022-11-02 20:58:08,805 INFO L131 PetriNetUnfolder]: For 15/19 co-relation queries the response was YES. [2022-11-02 20:58:08,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 269 events. 57/269 cut-off events. For 15/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1129 event pairs, 27 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 342. Up to 94 conditions per place. [2022-11-02 20:58:08,807 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 23 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2022-11-02 20:58:08,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 149 transitions, 356 flow [2022-11-02 20:58:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2022-11-02 20:58:08,812 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8379373848987108 [2022-11-02 20:58:08,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 455 transitions. [2022-11-02 20:58:08,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 455 transitions. [2022-11-02 20:58:08,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:08,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 455 transitions. [2022-11-02 20:58:08,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,818 INFO L175 Difference]: Start difference. First operand has 147 places, 150 transitions, 308 flow. Second operand 3 states and 455 transitions. [2022-11-02 20:58:08,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 149 transitions, 356 flow [2022-11-02 20:58:08,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 149 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:08,825 INFO L231 Difference]: Finished difference. Result has 146 places, 149 transitions, 306 flow [2022-11-02 20:58:08,826 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=146, PETRI_TRANSITIONS=149} [2022-11-02 20:58:08,827 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -12 predicate places. [2022-11-02 20:58:08,828 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 149 transitions, 306 flow [2022-11-02 20:58:08,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:08,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:08,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:58:08,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1906255031, now seen corresponding path program 1 times [2022-11-02 20:58:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:08,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655112234] [2022-11-02 20:58:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:08,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:08,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:08,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655112234] [2022-11-02 20:58:08,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655112234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:08,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:08,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:08,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260161622] [2022-11-02 20:58:08,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:08,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:08,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:08,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:08,938 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 181 [2022-11-02 20:58:08,939 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 149 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,940 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:08,940 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 181 [2022-11-02 20:58:08,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,017 INFO L130 PetriNetUnfolder]: 39/256 cut-off events. [2022-11-02 20:58:09,018 INFO L131 PetriNetUnfolder]: For 3/9 co-relation queries the response was YES. [2022-11-02 20:58:09,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 256 events. 39/256 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 882 event pairs, 15 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 294. Up to 58 conditions per place. [2022-11-02 20:58:09,021 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 17 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2022-11-02 20:58:09,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 148 transitions, 342 flow [2022-11-02 20:58:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2022-11-02 20:58:09,023 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.860036832412523 [2022-11-02 20:58:09,023 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,027 INFO L175 Difference]: Start difference. First operand has 146 places, 149 transitions, 306 flow. Second operand 3 states and 467 transitions. [2022-11-02 20:58:09,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 148 transitions, 342 flow [2022-11-02 20:58:09,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 148 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:09,031 INFO L231 Difference]: Finished difference. Result has 145 places, 148 transitions, 304 flow [2022-11-02 20:58:09,031 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=145, PETRI_TRANSITIONS=148} [2022-11-02 20:58:09,032 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -13 predicate places. [2022-11-02 20:58:09,032 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 148 transitions, 304 flow [2022-11-02 20:58:09,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,033 INFO L208 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] [2022-11-02 20:58:09,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:58:09,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1945554328, now seen corresponding path program 1 times [2022-11-02 20:58:09,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249001474] [2022-11-02 20:58:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249001474] [2022-11-02 20:58:09,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249001474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825750774] [2022-11-02 20:58:09,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,077 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 181 [2022-11-02 20:58:09,078 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 181 [2022-11-02 20:58:09,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,138 INFO L130 PetriNetUnfolder]: 39/256 cut-off events. [2022-11-02 20:58:09,138 INFO L131 PetriNetUnfolder]: For 9/13 co-relation queries the response was YES. [2022-11-02 20:58:09,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 256 events. 39/256 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 932 event pairs, 15 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 283. Up to 58 conditions per place. [2022-11-02 20:58:09,141 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 17 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2022-11-02 20:58:09,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 147 transitions, 340 flow [2022-11-02 20:58:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2022-11-02 20:58:09,143 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.860036832412523 [2022-11-02 20:58:09,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2022-11-02 20:58:09,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,147 INFO L175 Difference]: Start difference. First operand has 145 places, 148 transitions, 304 flow. Second operand 3 states and 467 transitions. [2022-11-02 20:58:09,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 147 transitions, 340 flow [2022-11-02 20:58:09,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 147 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:09,151 INFO L231 Difference]: Finished difference. Result has 144 places, 147 transitions, 302 flow [2022-11-02 20:58:09,151 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=144, PETRI_TRANSITIONS=147} [2022-11-02 20:58:09,152 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -14 predicate places. [2022-11-02 20:58:09,152 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 147 transitions, 302 flow [2022-11-02 20:58:09,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,153 INFO L208 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] [2022-11-02 20:58:09,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:58:09,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1046633707, now seen corresponding path program 1 times [2022-11-02 20:58:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114237899] [2022-11-02 20:58:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114237899] [2022-11-02 20:58:09,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114237899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496409659] [2022-11-02 20:58:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,227 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 181 [2022-11-02 20:58:09,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 181 [2022-11-02 20:58:09,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,312 INFO L130 PetriNetUnfolder]: 42/321 cut-off events. [2022-11-02 20:58:09,312 INFO L131 PetriNetUnfolder]: For 3/7 co-relation queries the response was YES. [2022-11-02 20:58:09,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 321 events. 42/321 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1218 event pairs, 7 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 341. Up to 29 conditions per place. [2022-11-02 20:58:09,317 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 17 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2022-11-02 20:58:09,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 150 transitions, 347 flow [2022-11-02 20:58:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-02 20:58:09,320 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8766114180478821 [2022-11-02 20:58:09,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,325 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,325 INFO L175 Difference]: Start difference. First operand has 144 places, 147 transitions, 302 flow. Second operand 3 states and 476 transitions. [2022-11-02 20:58:09,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 150 transitions, 347 flow [2022-11-02 20:58:09,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 150 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:09,331 INFO L231 Difference]: Finished difference. Result has 144 places, 147 transitions, 306 flow [2022-11-02 20:58:09,331 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=144, PETRI_TRANSITIONS=147} [2022-11-02 20:58:09,335 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -14 predicate places. [2022-11-02 20:58:09,335 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 147 transitions, 306 flow [2022-11-02 20:58:09,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:09,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:58:09,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1197300238, now seen corresponding path program 1 times [2022-11-02 20:58:09,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277956782] [2022-11-02 20:58:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277956782] [2022-11-02 20:58:09,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277956782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462280074] [2022-11-02 20:58:09,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,436 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 181 [2022-11-02 20:58:09,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 181 [2022-11-02 20:58:09,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,553 INFO L130 PetriNetUnfolder]: 53/304 cut-off events. [2022-11-02 20:58:09,553 INFO L131 PetriNetUnfolder]: For 9/14 co-relation queries the response was YES. [2022-11-02 20:58:09,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 304 events. 53/304 cut-off events. For 9/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1111 event pairs, 7 based on Foata normal form. 1/262 useless extension candidates. Maximal degree in co-relation 338. Up to 53 conditions per place. [2022-11-02 20:58:09,558 INFO L137 encePairwiseOnDemand]: 175/181 looper letters, 22 selfloop transitions, 3 changer transitions 0/150 dead transitions. [2022-11-02 20:58:09,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 150 transitions, 365 flow [2022-11-02 20:58:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2022-11-02 20:58:09,560 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.858195211786372 [2022-11-02 20:58:09,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 466 transitions. [2022-11-02 20:58:09,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions. [2022-11-02 20:58:09,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions. [2022-11-02 20:58:09,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,565 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,565 INFO L175 Difference]: Start difference. First operand has 144 places, 147 transitions, 306 flow. Second operand 3 states and 466 transitions. [2022-11-02 20:58:09,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 150 transitions, 365 flow [2022-11-02 20:58:09,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 363 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:09,570 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 311 flow [2022-11-02 20:58:09,570 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=143, PETRI_TRANSITIONS=145} [2022-11-02 20:58:09,573 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -15 predicate places. [2022-11-02 20:58:09,574 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 311 flow [2022-11-02 20:58:09,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,575 INFO L208 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] [2022-11-02 20:58:09,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:58:09,575 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2106186787, now seen corresponding path program 1 times [2022-11-02 20:58:09,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253093500] [2022-11-02 20:58:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253093500] [2022-11-02 20:58:09,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253093500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246110588] [2022-11-02 20:58:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,623 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 181 [2022-11-02 20:58:09,624 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 145 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,624 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,624 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 181 [2022-11-02 20:58:09,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,701 INFO L130 PetriNetUnfolder]: 46/330 cut-off events. [2022-11-02 20:58:09,702 INFO L131 PetriNetUnfolder]: For 17/22 co-relation queries the response was YES. [2022-11-02 20:58:09,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 330 events. 46/330 cut-off events. For 17/22 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1393 event pairs, 8 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 266. Up to 36 conditions per place. [2022-11-02 20:58:09,704 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 17 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2022-11-02 20:58:09,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 148 transitions, 356 flow [2022-11-02 20:58:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-02 20:58:09,706 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8766114180478821 [2022-11-02 20:58:09,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-02 20:58:09,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,710 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 311 flow. Second operand 3 states and 476 transitions. [2022-11-02 20:58:09,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 148 transitions, 356 flow [2022-11-02 20:58:09,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 148 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:09,714 INFO L231 Difference]: Finished difference. Result has 144 places, 145 transitions, 316 flow [2022-11-02 20:58:09,714 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=144, PETRI_TRANSITIONS=145} [2022-11-02 20:58:09,715 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -14 predicate places. [2022-11-02 20:58:09,715 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 145 transitions, 316 flow [2022-11-02 20:58:09,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,715 INFO L208 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] [2022-11-02 20:58:09,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:58:09,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash 233890437, now seen corresponding path program 1 times [2022-11-02 20:58:09,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175606291] [2022-11-02 20:58:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175606291] [2022-11-02 20:58:09,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175606291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869167799] [2022-11-02 20:58:09,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,755 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 181 [2022-11-02 20:58:09,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 145 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 181 [2022-11-02 20:58:09,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,841 INFO L130 PetriNetUnfolder]: 62/342 cut-off events. [2022-11-02 20:58:09,841 INFO L131 PetriNetUnfolder]: For 30/37 co-relation queries the response was YES. [2022-11-02 20:58:09,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 342 events. 62/342 cut-off events. For 30/37 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1592 event pairs, 10 based on Foata normal form. 2/300 useless extension candidates. Maximal degree in co-relation 319. Up to 66 conditions per place. [2022-11-02 20:58:09,844 INFO L137 encePairwiseOnDemand]: 175/181 looper letters, 21 selfloop transitions, 3 changer transitions 0/147 dead transitions. [2022-11-02 20:58:09,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 147 transitions, 370 flow [2022-11-02 20:58:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2022-11-02 20:58:09,847 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.856353591160221 [2022-11-02 20:58:09,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2022-11-02 20:58:09,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2022-11-02 20:58:09,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2022-11-02 20:58:09,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,851 INFO L175 Difference]: Start difference. First operand has 144 places, 145 transitions, 316 flow. Second operand 3 states and 465 transitions. [2022-11-02 20:58:09,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 147 transitions, 370 flow [2022-11-02 20:58:09,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 147 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:09,855 INFO L231 Difference]: Finished difference. Result has 143 places, 143 transitions, 321 flow [2022-11-02 20:58:09,856 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=321, PETRI_PLACES=143, PETRI_TRANSITIONS=143} [2022-11-02 20:58:09,858 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -15 predicate places. [2022-11-02 20:58:09,858 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 143 transitions, 321 flow [2022-11-02 20:58:09,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,859 INFO L208 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] [2022-11-02 20:58:09,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:58:09,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:09,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1815703749, now seen corresponding path program 1 times [2022-11-02 20:58:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033825894] [2022-11-02 20:58:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033825894] [2022-11-02 20:58:09,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033825894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322780521] [2022-11-02 20:58:09,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,930 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 181 [2022-11-02 20:58:09,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 143 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,931 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 181 [2022-11-02 20:58:09,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:10,016 INFO L130 PetriNetUnfolder]: 57/327 cut-off events. [2022-11-02 20:58:10,016 INFO L131 PetriNetUnfolder]: For 16/21 co-relation queries the response was YES. [2022-11-02 20:58:10,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 327 events. 57/327 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1227 event pairs, 20 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 337. Up to 81 conditions per place. [2022-11-02 20:58:10,020 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 22 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2022-11-02 20:58:10,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 145 transitions, 374 flow [2022-11-02 20:58:10,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2022-11-02 20:58:10,024 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8397790055248618 [2022-11-02 20:58:10,024 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:10,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,029 INFO L175 Difference]: Start difference. First operand has 143 places, 143 transitions, 321 flow. Second operand 3 states and 456 transitions. [2022-11-02 20:58:10,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 145 transitions, 374 flow [2022-11-02 20:58:10,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 371 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:10,035 INFO L231 Difference]: Finished difference. Result has 143 places, 142 transitions, 320 flow [2022-11-02 20:58:10,035 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=143, PETRI_TRANSITIONS=142} [2022-11-02 20:58:10,036 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -15 predicate places. [2022-11-02 20:58:10,036 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 142 transitions, 320 flow [2022-11-02 20:58:10,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:10,037 INFO L208 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] [2022-11-02 20:58:10,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:58:10,037 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:10,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,048 INFO L85 PathProgramCache]: Analyzing trace with hash 746994373, now seen corresponding path program 1 times [2022-11-02 20:58:10,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347507502] [2022-11-02 20:58:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:10,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:10,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347507502] [2022-11-02 20:58:10,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347507502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:10,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:10,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:10,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427574545] [2022-11-02 20:58:10,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:10,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:10,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:10,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:10,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:10,448 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 181 [2022-11-02 20:58:10,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 142 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 144.83333333333334) internal successors, (869), 6 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:10,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 181 [2022-11-02 20:58:10,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:10,618 INFO L130 PetriNetUnfolder]: 92/335 cut-off events. [2022-11-02 20:58:10,618 INFO L131 PetriNetUnfolder]: For 2/10 co-relation queries the response was YES. [2022-11-02 20:58:10,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 335 events. 92/335 cut-off events. For 2/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1313 event pairs, 6 based on Foata normal form. 4/311 useless extension candidates. Maximal degree in co-relation 409. Up to 84 conditions per place. [2022-11-02 20:58:10,622 INFO L137 encePairwiseOnDemand]: 176/181 looper letters, 35 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2022-11-02 20:58:10,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 157 transitions, 428 flow [2022-11-02 20:58:10,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 898 transitions. [2022-11-02 20:58:10,625 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8268876611418048 [2022-11-02 20:58:10,625 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 898 transitions. [2022-11-02 20:58:10,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 898 transitions. [2022-11-02 20:58:10,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:10,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 898 transitions. [2022-11-02 20:58:10,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.66666666666666) internal successors, (898), 6 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,632 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,632 INFO L175 Difference]: Start difference. First operand has 143 places, 142 transitions, 320 flow. Second operand 6 states and 898 transitions. [2022-11-02 20:58:10,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 157 transitions, 428 flow [2022-11-02 20:58:10,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 157 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:10,636 INFO L231 Difference]: Finished difference. Result has 145 places, 141 transitions, 322 flow [2022-11-02 20:58:10,636 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=145, PETRI_TRANSITIONS=141} [2022-11-02 20:58:10,637 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -13 predicate places. [2022-11-02 20:58:10,637 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 141 transitions, 322 flow [2022-11-02 20:58:10,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.83333333333334) internal successors, (869), 6 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:10,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:10,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:58:10,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:10,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1874236176, now seen corresponding path program 1 times [2022-11-02 20:58:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584834624] [2022-11-02 20:58:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:10,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:10,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584834624] [2022-11-02 20:58:10,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584834624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:10,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:10,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:10,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119737587] [2022-11-02 20:58:10,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:10,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:10,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:10,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:10,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:10,676 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 181 [2022-11-02 20:58:10,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 141 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,677 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:10,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 181 [2022-11-02 20:58:10,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:10,755 INFO L130 PetriNetUnfolder]: 66/339 cut-off events. [2022-11-02 20:58:10,756 INFO L131 PetriNetUnfolder]: For 36/43 co-relation queries the response was YES. [2022-11-02 20:58:10,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 339 events. 66/339 cut-off events. For 36/43 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1618 event pairs, 28 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 337. Up to 96 conditions per place. [2022-11-02 20:58:10,759 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 22 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2022-11-02 20:58:10,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 143 transitions, 375 flow [2022-11-02 20:58:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2022-11-02 20:58:10,761 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8397790055248618 [2022-11-02 20:58:10,761 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:10,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2022-11-02 20:58:10,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,765 INFO L175 Difference]: Start difference. First operand has 145 places, 141 transitions, 322 flow. Second operand 3 states and 456 transitions. [2022-11-02 20:58:10,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 143 transitions, 375 flow [2022-11-02 20:58:10,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 143 transitions, 368 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:10,769 INFO L231 Difference]: Finished difference. Result has 142 places, 140 transitions, 317 flow [2022-11-02 20:58:10,770 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=142, PETRI_TRANSITIONS=140} [2022-11-02 20:58:10,770 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -16 predicate places. [2022-11-02 20:58:10,770 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 140 transitions, 317 flow [2022-11-02 20:58:10,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:10,771 INFO L208 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] [2022-11-02 20:58:10,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:58:10,771 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1255932866, now seen corresponding path program 1 times [2022-11-02 20:58:10,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127754940] [2022-11-02 20:58:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:10,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127754940] [2022-11-02 20:58:10,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127754940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:10,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:10,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:10,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033075045] [2022-11-02 20:58:10,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:10,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:10,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:10,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:10,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:10,808 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 181 [2022-11-02 20:58:10,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 140 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,809 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:10,809 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 181 [2022-11-02 20:58:10,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:10,874 INFO L130 PetriNetUnfolder]: 47/301 cut-off events. [2022-11-02 20:58:10,874 INFO L131 PetriNetUnfolder]: For 14/19 co-relation queries the response was YES. [2022-11-02 20:58:10,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 301 events. 47/301 cut-off events. For 14/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1116 event pairs, 16 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 382. Up to 67 conditions per place. [2022-11-02 20:58:10,878 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 18 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2022-11-02 20:58:10,878 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 142 transitions, 362 flow [2022-11-02 20:58:10,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2022-11-02 20:58:10,880 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8655616942909761 [2022-11-02 20:58:10,880 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2022-11-02 20:58:10,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2022-11-02 20:58:10,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:10,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2022-11-02 20:58:10,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,884 INFO L175 Difference]: Start difference. First operand has 142 places, 140 transitions, 317 flow. Second operand 3 states and 470 transitions. [2022-11-02 20:58:10,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 142 transitions, 362 flow [2022-11-02 20:58:10,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 142 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:10,888 INFO L231 Difference]: Finished difference. Result has 141 places, 139 transitions, 315 flow [2022-11-02 20:58:10,888 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=141, PETRI_TRANSITIONS=139} [2022-11-02 20:58:10,889 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -17 predicate places. [2022-11-02 20:58:10,889 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 139 transitions, 315 flow [2022-11-02 20:58:10,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,889 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:10,890 INFO L208 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] [2022-11-02 20:58:10,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:58:10,890 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1393556380, now seen corresponding path program 1 times [2022-11-02 20:58:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422357419] [2022-11-02 20:58:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422357419] [2022-11-02 20:58:10,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422357419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:10,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:10,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:58:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669933895] [2022-11-02 20:58:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:10,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:10,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:10,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:10,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:10,989 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 181 [2022-11-02 20:58:10,990 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 139 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:10,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 181 [2022-11-02 20:58:10,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:11,065 INFO L130 PetriNetUnfolder]: 48/329 cut-off events. [2022-11-02 20:58:11,065 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-02 20:58:11,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 329 events. 48/329 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1064 event pairs, 6 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 283. Up to 38 conditions per place. [2022-11-02 20:58:11,068 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 18 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2022-11-02 20:58:11,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 146 transitions, 370 flow [2022-11-02 20:58:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-02 20:58:11,071 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9005524861878453 [2022-11-02 20:58:11,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-02 20:58:11,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-02 20:58:11,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:11,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-02 20:58:11,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,075 INFO L175 Difference]: Start difference. First operand has 141 places, 139 transitions, 315 flow. Second operand 3 states and 489 transitions. [2022-11-02 20:58:11,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 146 transitions, 370 flow [2022-11-02 20:58:11,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:11,079 INFO L231 Difference]: Finished difference. Result has 142 places, 140 transitions, 323 flow [2022-11-02 20:58:11,079 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=142, PETRI_TRANSITIONS=140} [2022-11-02 20:58:11,080 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -16 predicate places. [2022-11-02 20:58:11,080 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 140 transitions, 323 flow [2022-11-02 20:58:11,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:11,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:11,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:58:11,081 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:11,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:11,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1686687243, now seen corresponding path program 1 times [2022-11-02 20:58:11,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:11,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104174285] [2022-11-02 20:58:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:11,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:11,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104174285] [2022-11-02 20:58:11,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104174285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:11,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:11,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:11,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228688875] [2022-11-02 20:58:11,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:11,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:11,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:11,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:11,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:11,117 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 181 [2022-11-02 20:58:11,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 140 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:11,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 181 [2022-11-02 20:58:11,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:11,198 INFO L130 PetriNetUnfolder]: 72/363 cut-off events. [2022-11-02 20:58:11,199 INFO L131 PetriNetUnfolder]: For 18/22 co-relation queries the response was YES. [2022-11-02 20:58:11,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 363 events. 72/363 cut-off events. For 18/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1640 event pairs, 23 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 327. Up to 89 conditions per place. [2022-11-02 20:58:11,202 INFO L137 encePairwiseOnDemand]: 178/181 looper letters, 18 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2022-11-02 20:58:11,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 142 transitions, 368 flow [2022-11-02 20:58:11,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2022-11-02 20:58:11,205 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8655616942909761 [2022-11-02 20:58:11,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2022-11-02 20:58:11,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2022-11-02 20:58:11,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:11,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2022-11-02 20:58:11,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,209 INFO L175 Difference]: Start difference. First operand has 142 places, 140 transitions, 323 flow. Second operand 3 states and 470 transitions. [2022-11-02 20:58:11,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 142 transitions, 368 flow [2022-11-02 20:58:11,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 142 transitions, 366 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:11,213 INFO L231 Difference]: Finished difference. Result has 142 places, 139 transitions, 323 flow [2022-11-02 20:58:11,213 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=142, PETRI_TRANSITIONS=139} [2022-11-02 20:58:11,214 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -16 predicate places. [2022-11-02 20:58:11,214 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 139 transitions, 323 flow [2022-11-02 20:58:11,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:11,215 INFO L208 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] [2022-11-02 20:58:11,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:58:11,215 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash -325581298, now seen corresponding path program 1 times [2022-11-02 20:58:11,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:11,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787752115] [2022-11-02 20:58:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:11,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:58:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:11,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787752115] [2022-11-02 20:58:11,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787752115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:11,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:11,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:11,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618242011] [2022-11-02 20:58:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:11,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:11,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:11,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:11,639 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 181 [2022-11-02 20:58:11,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 139 transitions, 323 flow. Second operand has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,640 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:11,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 181 [2022-11-02 20:58:11,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:11,782 INFO L130 PetriNetUnfolder]: 115/394 cut-off events. [2022-11-02 20:58:11,782 INFO L131 PetriNetUnfolder]: For 5/31 co-relation queries the response was YES. [2022-11-02 20:58:11,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 394 events. 115/394 cut-off events. For 5/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1652 event pairs, 43 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 587. Up to 140 conditions per place. [2022-11-02 20:58:11,788 INFO L137 encePairwiseOnDemand]: 176/181 looper letters, 26 selfloop transitions, 4 changer transitions 0/146 dead transitions. [2022-11-02 20:58:11,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 146 transitions, 397 flow [2022-11-02 20:58:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 889 transitions. [2022-11-02 20:58:11,791 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8186003683241252 [2022-11-02 20:58:11,791 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 889 transitions. [2022-11-02 20:58:11,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 889 transitions. [2022-11-02 20:58:11,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:11,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 889 transitions. [2022-11-02 20:58:11,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,797 INFO L175 Difference]: Start difference. First operand has 142 places, 139 transitions, 323 flow. Second operand 6 states and 889 transitions. [2022-11-02 20:58:11,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 146 transitions, 397 flow [2022-11-02 20:58:11,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 146 transitions, 393 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:11,801 INFO L231 Difference]: Finished difference. Result has 144 places, 138 transitions, 325 flow [2022-11-02 20:58:11,802 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=325, PETRI_PLACES=144, PETRI_TRANSITIONS=138} [2022-11-02 20:58:11,802 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -14 predicate places. [2022-11-02 20:58:11,803 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 138 transitions, 325 flow [2022-11-02 20:58:11,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:11,804 INFO L208 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] [2022-11-02 20:58:11,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:58:11,804 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-02 20:58:11,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1043656857, now seen corresponding path program 1 times [2022-11-02 20:58:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:11,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354183217] [2022-11-02 20:58:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:11,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:58:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:11,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354183217] [2022-11-02 20:58:11,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354183217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:11,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:11,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:11,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930554223] [2022-11-02 20:58:11,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:11,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:11,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:11,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:11,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:11,883 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 181 [2022-11-02 20:58:11,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 138 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:11,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 181 [2022-11-02 20:58:11,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:11,938 INFO L130 PetriNetUnfolder]: 33/315 cut-off events. [2022-11-02 20:58:11,939 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-02 20:58:11,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 315 events. 33/315 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 856 event pairs, 5 based on Foata normal form. 2/287 useless extension candidates. Maximal degree in co-relation 385. Up to 31 conditions per place. [2022-11-02 20:58:11,941 INFO L137 encePairwiseOnDemand]: 179/181 looper letters, 0 selfloop transitions, 0 changer transitions 137/137 dead transitions. [2022-11-02 20:58:11,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 137 transitions, 341 flow [2022-11-02 20:58:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:11,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2022-11-02 20:58:11,943 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8913443830570903 [2022-11-02 20:58:11,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 484 transitions. [2022-11-02 20:58:11,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 484 transitions. [2022-11-02 20:58:11,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:11,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 484 transitions. [2022-11-02 20:58:11,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,949 INFO L175 Difference]: Start difference. First operand has 144 places, 138 transitions, 325 flow. Second operand 3 states and 484 transitions. [2022-11-02 20:58:11,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 137 transitions, 341 flow [2022-11-02 20:58:11,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 137 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:11,952 INFO L231 Difference]: Finished difference. Result has 141 places, 0 transitions, 0 flow [2022-11-02 20:58:11,952 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=141, PETRI_TRANSITIONS=0} [2022-11-02 20:58:11,953 INFO L287 CegarLoopForPetriNet]: 158 programPoint places, -17 predicate places. [2022-11-02 20:58:11,954 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 0 transitions, 0 flow [2022-11-02 20:58:11,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:11,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2022-11-02 20:58:11,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-11-02 20:58:11,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-11-02 20:58:11,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-11-02 20:58:11,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-11-02 20:58:11,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-11-02 20:58:11,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-11-02 20:58:11,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-11-02 20:58:11,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-11-02 20:58:11,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-11-02 20:58:11,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-11-02 20:58:11,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-11-02 20:58:11,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-11-02 20:58:11,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-11-02 20:58:11,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-11-02 20:58:11,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-11-02 20:58:11,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-11-02 20:58:11,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 49 remaining) [2022-11-02 20:58:11,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 49 remaining) [2022-11-02 20:58:11,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-11-02 20:58:11,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-11-02 20:58:11,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-11-02 20:58:11,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-11-02 20:58:11,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-11-02 20:58:11,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-11-02 20:58:11,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-11-02 20:58:11,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-11-02 20:58:11,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-11-02 20:58:11,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-11-02 20:58:11,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:58:11,971 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:11,978 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:58:11,978 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:58:11,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:58:11 BasicIcfg [2022-11-02 20:58:11,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:58:11,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:11,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:11,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:11,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:07" (3/4) ... [2022-11-02 20:58:11,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:58:11,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:58:11,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:58:12,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-02 20:58:12,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:58:12,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:58:12,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:58:12,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:58:12,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:12,046 INFO L158 Benchmark]: Toolchain (without parser) took 5641.50ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 81.7MB in the beginning and 58.0MB in the end (delta: 23.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,047 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:12,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.94ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 93.4MB in the end (delta: -12.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.39ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,048 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 89.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,048 INFO L158 Benchmark]: RCFGBuilder took 840.02ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 68.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,049 INFO L158 Benchmark]: TraceAbstraction took 4361.82ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 60.1MB in the end (delta: 7.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,049 INFO L158 Benchmark]: Witness Printer took 60.75ms. Allocated memory is still 146.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.94ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 93.4MB in the end (delta: -12.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.39ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 89.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.02ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 68.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4361.82ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 60.1MB in the end (delta: 7.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Witness Printer took 60.75ms. Allocated memory is still 146.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 251 locations, 49 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 163 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 532 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 140 mSDtfsCounter, 532 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=334occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 900 NumberOfCodeBlocks, 900 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 6/6 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:58:12,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cff895-b4dc-4115-bd1b-f5bdfe66dc86/bin/uautomizer-Dbtcem3rbc/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