./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/sigma.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/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_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sigma.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/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_aee352a3-ca85-4d27-b52e-8e65b948874e/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 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 --- 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 21:12:03,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:12:03,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:12:03,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:12:03,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:12:03,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:12:03,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:12:03,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:12:03,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:12:03,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:12:03,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:12:03,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:12:03,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:12:03,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:12:03,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:12:03,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:12:03,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:12:03,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:12:03,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:12:03,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:12:03,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:12:03,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:12:03,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:12:03,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:12:03,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:12:03,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:12:03,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:12:03,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:12:03,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:12:03,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:12:03,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:12:03,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:12:03,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:12:03,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:12:03,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:12:03,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:12:03,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:12:03,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:12:03,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:12:03,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:12:03,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:12:03,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:12:03,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:12:03,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:12:03,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:12:03,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:12:03,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:12:03,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:12:03,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:12:03,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:12:03,874 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:12:03,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:12:03,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:12:03,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:12:03,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:12:03,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:12:03,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:12:03,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:12:03,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:12:03,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:12:03,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:12:03,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:12:03,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:12:03,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:03,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:12:03,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:12:03,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:12:03,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:12:03,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:12:03,879 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:12:03,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:12:03,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:12:03,879 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_aee352a3-ca85-4d27-b52e-8e65b948874e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 [2022-11-02 21:12:04,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:12:04,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:12:04,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:12:04,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:12:04,262 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:12:04,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread/sigma.i [2022-11-02 21:12:04,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/data/1035b6051/2c5f856c0b7d4f309cc6deb216c8c39f/FLAGa5f3cd7f2 [2022-11-02 21:12:04,931 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:12:04,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/sv-benchmarks/c/pthread/sigma.i [2022-11-02 21:12:04,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/data/1035b6051/2c5f856c0b7d4f309cc6deb216c8c39f/FLAGa5f3cd7f2 [2022-11-02 21:12:05,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/data/1035b6051/2c5f856c0b7d4f309cc6deb216c8c39f [2022-11-02 21:12:05,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:12:05,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:12:05,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:05,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:12:05,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:12:05,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:05,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b89f73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05, skipping insertion in model container [2022-11-02 21:12:05,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:05,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:12:05,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:12:05,844 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_aee352a3-ca85-4d27-b52e-8e65b948874e/sv-benchmarks/c/pthread/sigma.i[55285,55298] [2022-11-02 21:12:05,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:05,879 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:12:05,910 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_aee352a3-ca85-4d27-b52e-8e65b948874e/sv-benchmarks/c/pthread/sigma.i[55285,55298] [2022-11-02 21:12:05,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:05,984 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:12:05,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05 WrapperNode [2022-11-02 21:12:05,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:05,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:05,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:12:05,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:12:05,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,056 INFO L138 Inliner]: procedures = 323, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-11-02 21:12:06,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:06,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:12:06,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:12:06,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:12:06,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:12:06,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:12:06,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:12:06,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:12:06,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (1/1) ... [2022-11-02 21:12:06,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:06,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:12:06,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:12:06,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee352a3-ca85-4d27-b52e-8e65b948874e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:12:06,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:12:06,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:12:06,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:12:06,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:12:06,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:12:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:12:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:12:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:12:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:12:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-02 21:12:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-02 21:12:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:12:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:12:06,245 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 21:12:06,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:12:06,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:12:06,808 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:12:06,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:12:06,819 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:12:06,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:06 BoogieIcfgContainer [2022-11-02 21:12:06,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:12:06,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:12:06,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:12:06,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:12:06,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:12:05" (1/3) ... [2022-11-02 21:12:06,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:12:06, skipping insertion in model container [2022-11-02 21:12:06,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:05" (2/3) ... [2022-11-02 21:12:06,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:12:06, skipping insertion in model container [2022-11-02 21:12:06,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:06" (3/3) ... [2022-11-02 21:12:06,832 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma.i [2022-11-02 21:12:06,842 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:12:06,853 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:12:06,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-02 21:12:06,854 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:12:06,962 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 21:12:07,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 192 transitions, 392 flow [2022-11-02 21:12:07,150 INFO L130 PetriNetUnfolder]: 13/281 cut-off events. [2022-11-02 21:12:07,154 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 21:12:07,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 281 events. 13/281 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 637 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 160. Up to 4 conditions per place. [2022-11-02 21:12:07,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 187 places, 192 transitions, 392 flow [2022-11-02 21:12:07,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 192 transitions, 392 flow [2022-11-02 21:12:07,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:12:07,199 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;@16a3ee96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:12:07,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-02 21:12:07,214 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-11-02 21:12:07,214 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:12:07,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:07,215 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] [2022-11-02 21:12:07,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:07,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1037307404, now seen corresponding path program 1 times [2022-11-02 21:12:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:07,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478425465] [2022-11-02 21:12:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:07,548 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 21:12:07,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:07,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478425465] [2022-11-02 21:12:07,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478425465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:07,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:07,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935110479] [2022-11-02 21:12:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:07,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:07,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:07,620 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 192 [2022-11-02 21:12:07,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 192 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states 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 21:12:07,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:07,639 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 192 [2022-11-02 21:12:07,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:07,819 INFO L130 PetriNetUnfolder]: 3/259 cut-off events. [2022-11-02 21:12:07,819 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 21:12:07,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 259 events. 3/259 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 533 event pairs, 0 based on Foata normal form. 4/232 useless extension candidates. Maximal degree in co-relation 159. Up to 22 conditions per place. [2022-11-02 21:12:07,823 INFO L137 encePairwiseOnDemand]: 179/192 looper letters, 13 selfloop transitions, 1 changer transitions 2/179 dead transitions. [2022-11-02 21:12:07,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 179 transitions, 394 flow [2022-11-02 21:12:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2022-11-02 21:12:07,848 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9045138888888888 [2022-11-02 21:12:07,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2022-11-02 21:12:07,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2022-11-02 21:12:07,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:07,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2022-11-02 21:12:07,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states 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 21:12:07,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:07,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:07,872 INFO L175 Difference]: Start difference. First operand has 187 places, 192 transitions, 392 flow. Second operand 3 states and 521 transitions. [2022-11-02 21:12:07,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 179 transitions, 394 flow [2022-11-02 21:12:07,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 179 transitions, 394 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:12:07,883 INFO L231 Difference]: Finished difference. Result has 182 places, 177 transitions, 364 flow [2022-11-02 21:12:07,885 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=182, PETRI_TRANSITIONS=177} [2022-11-02 21:12:07,889 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -5 predicate places. [2022-11-02 21:12:07,889 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 177 transitions, 364 flow [2022-11-02 21:12:07,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states 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 21:12:07,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:07,890 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] [2022-11-02 21:12:07,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:12:07,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:07,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:07,892 INFO L85 PathProgramCache]: Analyzing trace with hash -710396765, now seen corresponding path program 1 times [2022-11-02 21:12:07,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:07,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876065529] [2022-11-02 21:12:07,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:08,523 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 21:12:08,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:08,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876065529] [2022-11-02 21:12:08,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876065529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:08,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:08,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:08,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399070862] [2022-11-02 21:12:08,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:08,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:08,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:08,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:08,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:08,529 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 192 [2022-11-02 21:12:08,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 177 transitions, 364 flow. Second operand has 6 states, 6 states have (on average 132.5) internal successors, (795), 6 states have internal predecessors, (795), 0 states have call successors, (0), 0 states 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 21:12:08,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:08,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 192 [2022-11-02 21:12:08,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:08,927 INFO L130 PetriNetUnfolder]: 171/676 cut-off events. [2022-11-02 21:12:08,927 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 21:12:08,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1102 conditions, 676 events. 171/676 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3272 event pairs, 168 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 1076. Up to 413 conditions per place. [2022-11-02 21:12:08,934 INFO L137 encePairwiseOnDemand]: 186/192 looper letters, 48 selfloop transitions, 5 changer transitions 0/176 dead transitions. [2022-11-02 21:12:08,935 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 176 transitions, 468 flow [2022-11-02 21:12:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 840 transitions. [2022-11-02 21:12:08,939 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2022-11-02 21:12:08,939 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 840 transitions. [2022-11-02 21:12:08,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 840 transitions. [2022-11-02 21:12:08,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:08,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 840 transitions. [2022-11-02 21:12:08,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.0) internal successors, (840), 6 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 21:12:08,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:08,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:08,947 INFO L175 Difference]: Start difference. First operand has 182 places, 177 transitions, 364 flow. Second operand 6 states and 840 transitions. [2022-11-02 21:12:08,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 176 transitions, 468 flow [2022-11-02 21:12:08,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 176 transitions, 467 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:08,955 INFO L231 Difference]: Finished difference. Result has 183 places, 176 transitions, 371 flow [2022-11-02 21:12:08,956 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=183, PETRI_TRANSITIONS=176} [2022-11-02 21:12:08,957 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -4 predicate places. [2022-11-02 21:12:08,957 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 176 transitions, 371 flow [2022-11-02 21:12:08,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.5) internal successors, (795), 6 states have internal predecessors, (795), 0 states have call successors, (0), 0 states 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 21:12:08,958 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:08,958 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] [2022-11-02 21:12:08,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:12:08,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:08,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash -176201588, now seen corresponding path program 1 times [2022-11-02 21:12:08,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:08,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176345851] [2022-11-02 21:12:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:08,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:09,010 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 21:12:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:09,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176345851] [2022-11-02 21:12:09,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176345851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:09,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:09,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:09,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718178239] [2022-11-02 21:12:09,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:09,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:09,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:09,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:09,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:09,014 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 192 [2022-11-02 21:12:09,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 176 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:09,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:09,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 192 [2022-11-02 21:12:09,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:09,075 INFO L130 PetriNetUnfolder]: 12/315 cut-off events. [2022-11-02 21:12:09,076 INFO L131 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2022-11-02 21:12:09,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 315 events. 12/315 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 871 event pairs, 9 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 341. Up to 36 conditions per place. [2022-11-02 21:12:09,078 INFO L137 encePairwiseOnDemand]: 189/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2022-11-02 21:12:09,078 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 175 transitions, 401 flow [2022-11-02 21:12:09,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2022-11-02 21:12:09,080 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9045138888888888 [2022-11-02 21:12:09,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2022-11-02 21:12:09,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2022-11-02 21:12:09,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:09,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2022-11-02 21:12:09,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states 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 21:12:09,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:09,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:09,084 INFO L175 Difference]: Start difference. First operand has 183 places, 176 transitions, 371 flow. Second operand 3 states and 521 transitions. [2022-11-02 21:12:09,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 175 transitions, 401 flow [2022-11-02 21:12:09,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 175 transitions, 391 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:12:09,088 INFO L231 Difference]: Finished difference. Result has 179 places, 175 transitions, 363 flow [2022-11-02 21:12:09,089 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=179, PETRI_TRANSITIONS=175} [2022-11-02 21:12:09,089 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -8 predicate places. [2022-11-02 21:12:09,090 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 175 transitions, 363 flow [2022-11-02 21:12:09,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:09,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:09,090 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 21:12:09,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:12:09,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:09,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:09,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1835896706, now seen corresponding path program 1 times [2022-11-02 21:12:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:09,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341074879] [2022-11-02 21:12:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:09,518 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 21:12:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:09,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341074879] [2022-11-02 21:12:09,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341074879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:09,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:09,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:09,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356957694] [2022-11-02 21:12:09,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:09,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:09,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:09,529 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 192 [2022-11-02 21:12:09,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 175 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 135.33333333333334) internal successors, (812), 6 states have internal predecessors, (812), 0 states have call successors, (0), 0 states 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 21:12:09,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:09,530 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 192 [2022-11-02 21:12:09,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:09,951 INFO L130 PetriNetUnfolder]: 240/892 cut-off events. [2022-11-02 21:12:09,951 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-02 21:12:09,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 892 events. 240/892 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4620 event pairs, 10 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 1470. Up to 386 conditions per place. [2022-11-02 21:12:09,957 INFO L137 encePairwiseOnDemand]: 170/192 looper letters, 76 selfloop transitions, 28 changer transitions 0/228 dead transitions. [2022-11-02 21:12:09,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 228 transitions, 680 flow [2022-11-02 21:12:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 905 transitions. [2022-11-02 21:12:09,960 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7855902777777778 [2022-11-02 21:12:09,961 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 905 transitions. [2022-11-02 21:12:09,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 905 transitions. [2022-11-02 21:12:09,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:09,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 905 transitions. [2022-11-02 21:12:09,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states 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 21:12:09,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:09,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:09,968 INFO L175 Difference]: Start difference. First operand has 179 places, 175 transitions, 363 flow. Second operand 6 states and 905 transitions. [2022-11-02 21:12:09,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 228 transitions, 680 flow [2022-11-02 21:12:09,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 228 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:09,975 INFO L231 Difference]: Finished difference. Result has 186 places, 198 transitions, 551 flow [2022-11-02 21:12:09,976 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=551, PETRI_PLACES=186, PETRI_TRANSITIONS=198} [2022-11-02 21:12:09,976 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -1 predicate places. [2022-11-02 21:12:09,977 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 198 transitions, 551 flow [2022-11-02 21:12:09,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.33333333333334) internal successors, (812), 6 states have internal predecessors, (812), 0 states have call successors, (0), 0 states 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 21:12:09,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:09,978 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 21:12:09,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:12:09,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:09,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:09,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1867222341, now seen corresponding path program 1 times [2022-11-02 21:12:09,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:09,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553023686] [2022-11-02 21:12:09,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:09,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,031 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 21:12:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553023686] [2022-11-02 21:12:10,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553023686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024814344] [2022-11-02 21:12:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:10,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:10,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:10,037 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2022-11-02 21:12:10,039 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 198 transitions, 551 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:10,039 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,039 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2022-11-02 21:12:10,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,142 INFO L130 PetriNetUnfolder]: 53/529 cut-off events. [2022-11-02 21:12:10,142 INFO L131 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-11-02 21:12:10,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 529 events. 53/529 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2257 event pairs, 4 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 807. Up to 68 conditions per place. [2022-11-02 21:12:10,145 INFO L137 encePairwiseOnDemand]: 188/192 looper letters, 9 selfloop transitions, 1 changer transitions 0/195 dead transitions. [2022-11-02 21:12:10,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 195 transitions, 565 flow [2022-11-02 21:12:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2022-11-02 21:12:10,147 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9131944444444444 [2022-11-02 21:12:10,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2022-11-02 21:12:10,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2022-11-02 21:12:10,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2022-11-02 21:12:10,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states 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 21:12:10,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,151 INFO L175 Difference]: Start difference. First operand has 186 places, 198 transitions, 551 flow. Second operand 3 states and 526 transitions. [2022-11-02 21:12:10,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 195 transitions, 565 flow [2022-11-02 21:12:10,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 195 transitions, 565 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:12:10,183 INFO L231 Difference]: Finished difference. Result has 185 places, 195 transitions, 547 flow [2022-11-02 21:12:10,184 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=547, PETRI_PLACES=185, PETRI_TRANSITIONS=195} [2022-11-02 21:12:10,185 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -2 predicate places. [2022-11-02 21:12:10,185 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 195 transitions, 547 flow [2022-11-02 21:12:10,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:10,185 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:10,185 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 21:12:10,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:12:10,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:10,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:10,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1419929835, now seen corresponding path program 1 times [2022-11-02 21:12:10,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:10,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892246243] [2022-11-02 21:12:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:10,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,256 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 21:12:10,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892246243] [2022-11-02 21:12:10,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892246243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352550594] [2022-11-02 21:12:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:10,259 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 192 [2022-11-02 21:12:10,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 195 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states 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 21:12:10,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 192 [2022-11-02 21:12:10,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,391 INFO L130 PetriNetUnfolder]: 83/738 cut-off events. [2022-11-02 21:12:10,391 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2022-11-02 21:12:10,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 738 events. 83/738 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3831 event pairs, 4 based on Foata normal form. 0/679 useless extension candidates. Maximal degree in co-relation 1181. Up to 106 conditions per place. [2022-11-02 21:12:10,396 INFO L137 encePairwiseOnDemand]: 186/192 looper letters, 11 selfloop transitions, 4 changer transitions 0/199 dead transitions. [2022-11-02 21:12:10,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 199 transitions, 585 flow [2022-11-02 21:12:10,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-11-02 21:12:10,398 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9357638888888888 [2022-11-02 21:12:10,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-11-02 21:12:10,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-11-02 21:12:10,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-11-02 21:12:10,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states 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 21:12:10,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,402 INFO L175 Difference]: Start difference. First operand has 185 places, 195 transitions, 547 flow. Second operand 3 states and 539 transitions. [2022-11-02 21:12:10,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 199 transitions, 585 flow [2022-11-02 21:12:10,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 199 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:10,409 INFO L231 Difference]: Finished difference. Result has 187 places, 197 transitions, 574 flow [2022-11-02 21:12:10,410 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=187, PETRI_TRANSITIONS=197} [2022-11-02 21:12:10,410 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, 0 predicate places. [2022-11-02 21:12:10,411 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 197 transitions, 574 flow [2022-11-02 21:12:10,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states 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 21:12:10,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:10,412 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] [2022-11-02 21:12:10,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:12:10,412 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:10,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:10,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1504989100, now seen corresponding path program 1 times [2022-11-02 21:12:10,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:10,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2491586] [2022-11-02 21:12:10,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,469 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 21:12:10,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2491586] [2022-11-02 21:12:10,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2491586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:10,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000077210] [2022-11-02 21:12:10,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:10,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:10,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:10,473 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2022-11-02 21:12:10,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 197 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:10,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2022-11-02 21:12:10,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,657 INFO L130 PetriNetUnfolder]: 87/789 cut-off events. [2022-11-02 21:12:10,658 INFO L131 PetriNetUnfolder]: For 117/123 co-relation queries the response was YES. [2022-11-02 21:12:10,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1340 conditions, 789 events. 87/789 cut-off events. For 117/123 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4333 event pairs, 7 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 1309. Up to 118 conditions per place. [2022-11-02 21:12:10,663 INFO L137 encePairwiseOnDemand]: 187/192 looper letters, 18 selfloop transitions, 4 changer transitions 0/203 dead transitions. [2022-11-02 21:12:10,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 203 transitions, 642 flow [2022-11-02 21:12:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-11-02 21:12:10,665 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9236111111111112 [2022-11-02 21:12:10,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2022-11-02 21:12:10,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2022-11-02 21:12:10,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2022-11-02 21:12:10,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states 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 21:12:10,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 21:12:10,670 INFO L175 Difference]: Start difference. First operand has 187 places, 197 transitions, 574 flow. Second operand 3 states and 532 transitions. [2022-11-02 21:12:10,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 203 transitions, 642 flow [2022-11-02 21:12:10,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 203 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:10,678 INFO L231 Difference]: Finished difference. Result has 189 places, 200 transitions, 598 flow [2022-11-02 21:12:10,679 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=189, PETRI_TRANSITIONS=200} [2022-11-02 21:12:10,679 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, 2 predicate places. [2022-11-02 21:12:10,680 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 200 transitions, 598 flow [2022-11-02 21:12:10,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:10,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:10,680 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:10,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:12:10,681 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:10,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:10,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1840371008, now seen corresponding path program 1 times [2022-11-02 21:12:10,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:10,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774505668] [2022-11-02 21:12:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,807 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 21:12:10,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774505668] [2022-11-02 21:12:10,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774505668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:12:10,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694922634] [2022-11-02 21:12:10,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:12:10,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:12:10,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:12:10,811 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 192 [2022-11-02 21:12:10,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 200 transitions, 598 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 states 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 21:12:10,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,812 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 192 [2022-11-02 21:12:10,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,996 INFO L130 PetriNetUnfolder]: 77/631 cut-off events. [2022-11-02 21:12:10,996 INFO L131 PetriNetUnfolder]: For 114/121 co-relation queries the response was YES. [2022-11-02 21:12:10,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 631 events. 77/631 cut-off events. For 114/121 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3218 event pairs, 1 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 1178. Up to 103 conditions per place. [2022-11-02 21:12:11,001 INFO L137 encePairwiseOnDemand]: 185/192 looper letters, 40 selfloop transitions, 5 changer transitions 18/209 dead transitions. [2022-11-02 21:12:11,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 209 transitions, 710 flow [2022-11-02 21:12:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:12:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-02 21:12:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 638 transitions. [2022-11-02 21:12:11,004 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8307291666666666 [2022-11-02 21:12:11,004 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 638 transitions. [2022-11-02 21:12:11,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 638 transitions. [2022-11-02 21:12:11,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:11,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 638 transitions. [2022-11-02 21:12:11,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 159.5) internal successors, (638), 4 states have internal predecessors, (638), 0 states have call successors, (0), 0 states 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 21:12:11,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states 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 21:12:11,009 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states 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 21:12:11,009 INFO L175 Difference]: Start difference. First operand has 189 places, 200 transitions, 598 flow. Second operand 4 states and 638 transitions. [2022-11-02 21:12:11,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 209 transitions, 710 flow [2022-11-02 21:12:11,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 209 transitions, 702 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:11,018 INFO L231 Difference]: Finished difference. Result has 191 places, 182 transitions, 564 flow [2022-11-02 21:12:11,018 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=564, PETRI_PLACES=191, PETRI_TRANSITIONS=182} [2022-11-02 21:12:11,019 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, 4 predicate places. [2022-11-02 21:12:11,019 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 182 transitions, 564 flow [2022-11-02 21:12:11,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 states 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 21:12:11,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:11,020 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, 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 21:12:11,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:12:11,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:11,021 INFO L85 PathProgramCache]: Analyzing trace with hash -263608074, now seen corresponding path program 1 times [2022-11-02 21:12:11,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:11,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200741053] [2022-11-02 21:12:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:11,536 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 21:12:11,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:11,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200741053] [2022-11-02 21:12:11,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200741053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:11,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:11,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210681086] [2022-11-02 21:12:11,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:11,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:11,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:11,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:11,540 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 192 [2022-11-02 21:12:11,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 182 transitions, 564 flow. Second operand has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states 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 21:12:11,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:11,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 192 [2022-11-02 21:12:11,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:12,082 INFO L130 PetriNetUnfolder]: 470/1446 cut-off events. [2022-11-02 21:12:12,083 INFO L131 PetriNetUnfolder]: For 497/575 co-relation queries the response was YES. [2022-11-02 21:12:12,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3563 conditions, 1446 events. 470/1446 cut-off events. For 497/575 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 8912 event pairs, 90 based on Foata normal form. 11/1370 useless extension candidates. Maximal degree in co-relation 3528. Up to 848 conditions per place. [2022-11-02 21:12:12,093 INFO L137 encePairwiseOnDemand]: 172/192 looper letters, 103 selfloop transitions, 67 changer transitions 0/278 dead transitions. [2022-11-02 21:12:12,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 278 transitions, 1270 flow [2022-11-02 21:12:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 924 transitions. [2022-11-02 21:12:12,096 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8020833333333334 [2022-11-02 21:12:12,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 924 transitions. [2022-11-02 21:12:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 924 transitions. [2022-11-02 21:12:12,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:12,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 924 transitions. [2022-11-02 21:12:12,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states 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 21:12:12,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:12,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states 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 21:12:12,108 INFO L175 Difference]: Start difference. First operand has 191 places, 182 transitions, 564 flow. Second operand 6 states and 924 transitions. [2022-11-02 21:12:12,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 278 transitions, 1270 flow [2022-11-02 21:12:12,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 278 transitions, 1260 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-02 21:12:12,121 INFO L231 Difference]: Finished difference. Result has 182 places, 248 transitions, 1132 flow [2022-11-02 21:12:12,122 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1132, PETRI_PLACES=182, PETRI_TRANSITIONS=248} [2022-11-02 21:12:12,123 INFO L287 CegarLoopForPetriNet]: 187 programPoint places, -5 predicate places. [2022-11-02 21:12:12,123 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 248 transitions, 1132 flow [2022-11-02 21:12:12,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states 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 21:12:12,123 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:12,124 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 21:12:12,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:12:12,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-02 21:12:12,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:12,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1645447504, now seen corresponding path program 1 times [2022-11-02 21:12:12,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:12,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217134098] [2022-11-02 21:12:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:12,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:12:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:12,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:12:12,292 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:12:12,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-11-02 21:12:12,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-11-02 21:12:12,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-11-02 21:12:12,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-11-02 21:12:12,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-11-02 21:12:12,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-11-02 21:12:12,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-11-02 21:12:12,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-11-02 21:12:12,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-11-02 21:12:12,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-11-02 21:12:12,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2022-11-02 21:12:12,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2022-11-02 21:12:12,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-11-02 21:12:12,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-11-02 21:12:12,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2022-11-02 21:12:12,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2022-11-02 21:12:12,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-11-02 21:12:12,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-11-02 21:12:12,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 24 remaining) [2022-11-02 21:12:12,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-11-02 21:12:12,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-11-02 21:12:12,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-11-02 21:12:12,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-11-02 21:12:12,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-11-02 21:12:12,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:12:12,309 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:12,318 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:12:12,318 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:12:12,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:12:12 BasicIcfg [2022-11-02 21:12:12,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:12:12,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:12:12,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:12:12,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:12:12,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:06" (3/4) ... [2022-11-02 21:12:12,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:12:12,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:12:12,411 INFO L158 Benchmark]: Toolchain (without parser) took 7196.52ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 69.4MB in the beginning and 94.3MB in the end (delta: -24.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,412 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:12:12,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.49ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 63.4MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.48ms. Allocated memory is still 113.2MB. Free memory was 63.4MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,413 INFO L158 Benchmark]: Boogie Preprocessor took 88.48ms. Allocated memory is still 113.2MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,413 INFO L158 Benchmark]: RCFGBuilder took 674.91ms. Allocated memory is still 113.2MB. Free memory was 58.1MB in the beginning and 84.3MB in the end (delta: -26.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,413 INFO L158 Benchmark]: TraceAbstraction took 5582.38ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 83.6MB in the beginning and 94.3MB in the end (delta: -10.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-11-02 21:12:12,414 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 186.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:12:12,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.49ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 63.4MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.48ms. Allocated memory is still 113.2MB. Free memory was 63.4MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.48ms. Allocated memory is still 113.2MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.91ms. Allocated memory is still 113.2MB. Free memory was 58.1MB in the beginning and 84.3MB in the end (delta: -26.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5582.38ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 83.6MB in the beginning and 94.3MB in the end (delta: -10.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 186.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1117]: Data race detected Data race detected The following path leads to a data race: [L1112] 0 const int SIGMA = 16; VAL [SIGMA=16] [L1113] 0 int *array; VAL [array={0:0}, SIGMA=16] [L1114] 0 int array_index=-1; VAL [array={0:0}, array_index=-1, SIGMA=16] [L1122] 0 int tid, sum; VAL [array={0:0}, array_index=-1, SIGMA=16] [L1123] 0 pthread_t *t; VAL [array={0:0}, array_index=-1, SIGMA=16, t={7:0}] [L1124] EXPR 0 sizeof(pthread_t) * SIGMA VAL [array={0:0}, array_index=-1, SIGMA=16, t={7:0}] [L1124] 0 t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA) VAL [array={0:0}, array_index=-1, malloc(sizeof(pthread_t) * SIGMA)={3:0}, SIGMA=16, t={7:0}, t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA)=67] [L1125] EXPR 0 sizeof(int) * SIGMA VAL [array={0:0}, array_index=-1, SIGMA=16, t={7:0}] [L1125] 0 array = (int *)malloc(sizeof(int) * SIGMA) VAL [array={5:0}, array = (int *)malloc(sizeof(int) * SIGMA)=68, array_index=-1, malloc(sizeof(int) * SIGMA)={5:0}, SIGMA=16, t={7:0}] [L1126] EXPR 0 \read(*t) VAL [\read(*t)={3:0}, array={5:0}, array_index=-1, SIGMA=16, t={7:0}] [L1126] 0 assume_abort_if_not(t) VAL [\read(*t)={3:0}, array={5:0}, array_index=-1, SIGMA=16, t={7:0}] [L1126] CALL 0 assume_abort_if_not(t) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=3, array={5:0}, array_index=-1, cond=3, SIGMA=16] [L1126] RET 0 assume_abort_if_not(t) [L1127] 0 assume_abort_if_not(array) VAL [array={5:0}, array_index=-1, SIGMA=16, t={7:0}] [L1127] CALL 0 assume_abort_if_not(array) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=5, array={5:0}, array_index=-1, cond=5, SIGMA=16] [L1127] RET 0 assume_abort_if_not(array) [L1128] 0 tid=0 VAL [array={5:0}, array_index=-1, SIGMA=16, t={7:0}, tid=0] [L1128] 0 tid