./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/condvar.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/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_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/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_99adb967-8a95-46e7-8786-6bb3e91fdcb1/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 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:40:49,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:40:49,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:40:49,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:40:49,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:40:49,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:40:49,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:40:49,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:40:49,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:40:49,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:40:49,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:40:49,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:40:49,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:40:49,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:40:49,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:40:49,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:40:49,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:40:49,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:40:49,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:40:49,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:40:49,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:40:49,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:40:49,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:40:49,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:40:50,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:40:50,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:40:50,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:40:50,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:40:50,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:40:50,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:40:50,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:40:50,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:40:50,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:40:50,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:40:50,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:40:50,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:40:50,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:40:50,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:40:50,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:40:50,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:40:50,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:40:50,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:40:50,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:40:50,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:40:50,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:40:50,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:40:50,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:40:50,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:40:50,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:40:50,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:40:50,061 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:40:50,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:40:50,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:40:50,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:40:50,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:40:50,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:40:50,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:40:50,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:40:50,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:40:50,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:40:50,064 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:40:50,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:40:50,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:40:50,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:40:50,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:40:50,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:40:50,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:40:50,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:40:50,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:50,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:40:50,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:40:50,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:40:50,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:40:50,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:40:50,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:40:50,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:40:50,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:40:50,068 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_99adb967-8a95-46e7-8786-6bb3e91fdcb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a [2022-11-02 20:40:50,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:40:50,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:40:50,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:40:50,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:40:50,441 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:40:50,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-divine/condvar.i [2022-11-02 20:40:50,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/data/58e173e83/4bbaef65be67402ab37c141b90aeccd8/FLAG7f6ad0515 [2022-11-02 20:40:51,162 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:40:51,163 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/sv-benchmarks/c/pthread-divine/condvar.i [2022-11-02 20:40:51,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/data/58e173e83/4bbaef65be67402ab37c141b90aeccd8/FLAG7f6ad0515 [2022-11-02 20:40:51,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/data/58e173e83/4bbaef65be67402ab37c141b90aeccd8 [2022-11-02 20:40:51,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:40:51,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:40:51,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:51,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:40:51,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:40:51,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:51" (1/1) ... [2022-11-02 20:40:51,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661585c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:51, skipping insertion in model container [2022-11-02 20:40:51,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:51" (1/1) ... [2022-11-02 20:40:51,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:40:51,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:40:51,691 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:40:51,884 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_99adb967-8a95-46e7-8786-6bb3e91fdcb1/sv-benchmarks/c/pthread-divine/condvar.i[30458,30471] [2022-11-02 20:40:51,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:51,913 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:40:51,939 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:40:51,981 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_99adb967-8a95-46e7-8786-6bb3e91fdcb1/sv-benchmarks/c/pthread-divine/condvar.i[30458,30471] [2022-11-02 20:40:51,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:52,038 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:40:52,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52 WrapperNode [2022-11-02 20:40:52,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:52,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:52,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:40:52,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:40:52,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,112 INFO L138 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2022-11-02 20:40:52,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:52,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:40:52,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:40:52,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:40:52,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:40:52,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:40:52,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:40:52,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:40:52,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (1/1) ... [2022-11-02 20:40:52,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:52,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:52,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:40:52,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:40:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:40:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:40:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-02 20:40:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-02 20:40:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:40:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:40:52,263 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:40:52,479 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:40:52,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:40:52,803 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:40:52,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:40:52,810 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:40:52,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:52 BoogieIcfgContainer [2022-11-02 20:40:52,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:40:52,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:40:52,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:40:52,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:40:52,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:40:51" (1/3) ... [2022-11-02 20:40:52,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2423e69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:52, skipping insertion in model container [2022-11-02 20:40:52,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:52" (2/3) ... [2022-11-02 20:40:52,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2423e69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:52, skipping insertion in model container [2022-11-02 20:40:52,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:52" (3/3) ... [2022-11-02 20:40:52,828 INFO L112 eAbstractionObserver]: Analyzing ICFG condvar.i [2022-11-02 20:40:52,837 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:40:52,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:40:52,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-02 20:40:52,850 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:40:52,952 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 20:40:53,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 99 transitions, 206 flow [2022-11-02 20:40:53,115 INFO L130 PetriNetUnfolder]: 5/98 cut-off events. [2022-11-02 20:40:53,115 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:40:53,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 5/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2022-11-02 20:40:53,119 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 99 transitions, 206 flow [2022-11-02 20:40:53,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 91 transitions, 185 flow [2022-11-02 20:40:53,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:40:53,153 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;@273f1110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:40:53,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-02 20:40:53,205 INFO L130 PetriNetUnfolder]: 2/58 cut-off events. [2022-11-02 20:40:53,205 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:40:53,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:53,206 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] [2022-11-02 20:40:53,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:53,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:53,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1555367986, now seen corresponding path program 1 times [2022-11-02 20:40:53,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:53,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970910455] [2022-11-02 20:40:53,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:53,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:53,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:53,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970910455] [2022-11-02 20:40:53,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970910455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:53,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:53,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:40:53,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289531929] [2022-11-02 20:40:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:53,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:53,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:53,645 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 99 [2022-11-02 20:40:53,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:53,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 99 [2022-11-02 20:40:53,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:53,720 INFO L130 PetriNetUnfolder]: 17/173 cut-off events. [2022-11-02 20:40:53,720 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:40:53,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 173 events. 17/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 583 event pairs, 2 based on Foata normal form. 10/156 useless extension candidates. Maximal degree in co-relation 167. Up to 22 conditions per place. [2022-11-02 20:40:53,723 INFO L137 encePairwiseOnDemand]: 92/99 looper letters, 9 selfloop transitions, 3 changer transitions 0/93 dead transitions. [2022-11-02 20:40:53,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 93 transitions, 213 flow [2022-11-02 20:40:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2022-11-02 20:40:53,737 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9528619528619529 [2022-11-02 20:40:53,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2022-11-02 20:40:53,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2022-11-02 20:40:53,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:53,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2022-11-02 20:40:53,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,754 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 185 flow. Second operand 3 states and 283 transitions. [2022-11-02 20:40:53,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 93 transitions, 213 flow [2022-11-02 20:40:53,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:40:53,762 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 204 flow [2022-11-02 20:40:53,764 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2022-11-02 20:40:53,768 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 3 predicate places. [2022-11-02 20:40:53,768 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 204 flow [2022-11-02 20:40:53,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:53,769 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] [2022-11-02 20:40:53,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:40:53,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:53,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1860223654, now seen corresponding path program 1 times [2022-11-02 20:40:53,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:53,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036223150] [2022-11-02 20:40:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:53,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:53,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036223150] [2022-11-02 20:40:53,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036223150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:53,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:53,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:40:53,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829017897] [2022-11-02 20:40:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:53,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:53,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:53,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:53,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:53,915 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 99 [2022-11-02 20:40:53,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:53,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:53,918 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 99 [2022-11-02 20:40:53,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:54,025 INFO L130 PetriNetUnfolder]: 17/211 cut-off events. [2022-11-02 20:40:54,025 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-02 20:40:54,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 211 events. 17/211 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 725 event pairs, 2 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 225. Up to 19 conditions per place. [2022-11-02 20:40:54,032 INFO L137 encePairwiseOnDemand]: 95/99 looper letters, 8 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2022-11-02 20:40:54,033 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 234 flow [2022-11-02 20:40:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-11-02 20:40:54,040 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2022-11-02 20:40:54,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-11-02 20:40:54,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-11-02 20:40:54,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:54,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-11-02 20:40:54,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,049 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,050 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 204 flow. Second operand 3 states and 276 transitions. [2022-11-02 20:40:54,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 234 flow [2022-11-02 20:40:54,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 95 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:40:54,055 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 220 flow [2022-11-02 20:40:54,056 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2022-11-02 20:40:54,057 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 5 predicate places. [2022-11-02 20:40:54,057 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 220 flow [2022-11-02 20:40:54,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:54,059 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] [2022-11-02 20:40:54,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:40:54,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:54,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash -794843301, now seen corresponding path program 1 times [2022-11-02 20:40:54,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:54,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638585126] [2022-11-02 20:40:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:54,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:54,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:54,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638585126] [2022-11-02 20:40:54,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638585126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:54,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:54,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:40:54,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151541572] [2022-11-02 20:40:54,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:54,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:54,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:54,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:54,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:54,195 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 99 [2022-11-02 20:40:54,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:54,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 99 [2022-11-02 20:40:54,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:54,295 INFO L130 PetriNetUnfolder]: 23/256 cut-off events. [2022-11-02 20:40:54,302 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-11-02 20:40:54,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 256 events. 23/256 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1038 event pairs, 5 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 320. Up to 36 conditions per place. [2022-11-02 20:40:54,304 INFO L137 encePairwiseOnDemand]: 94/99 looper letters, 13 selfloop transitions, 5 changer transitions 0/99 dead transitions. [2022-11-02 20:40:54,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 99 transitions, 280 flow [2022-11-02 20:40:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-11-02 20:40:54,306 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9124579124579124 [2022-11-02 20:40:54,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-11-02 20:40:54,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-11-02 20:40:54,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:54,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-11-02 20:40:54,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,310 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,310 INFO L175 Difference]: Start difference. First operand has 95 places, 93 transitions, 220 flow. Second operand 3 states and 271 transitions. [2022-11-02 20:40:54,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 99 transitions, 280 flow [2022-11-02 20:40:54,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 99 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:40:54,314 INFO L231 Difference]: Finished difference. Result has 97 places, 96 transitions, 250 flow [2022-11-02 20:40:54,314 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=97, PETRI_TRANSITIONS=96} [2022-11-02 20:40:54,315 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 7 predicate places. [2022-11-02 20:40:54,315 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 96 transitions, 250 flow [2022-11-02 20:40:54,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:54,316 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] [2022-11-02 20:40:54,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:40:54,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash -794083085, now seen corresponding path program 1 times [2022-11-02 20:40:54,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:54,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165864279] [2022-11-02 20:40:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:54,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:54,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:54,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165864279] [2022-11-02 20:40:54,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165864279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:54,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:54,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:40:54,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118005749] [2022-11-02 20:40:54,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:54,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:54,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:54,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:54,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:54,389 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 99 [2022-11-02 20:40:54,390 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:54,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 99 [2022-11-02 20:40:54,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:54,445 INFO L130 PetriNetUnfolder]: 15/258 cut-off events. [2022-11-02 20:40:54,446 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-11-02 20:40:54,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 258 events. 15/258 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1183 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 346. Up to 21 conditions per place. [2022-11-02 20:40:54,448 INFO L137 encePairwiseOnDemand]: 96/99 looper letters, 10 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2022-11-02 20:40:54,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 100 transitions, 282 flow [2022-11-02 20:40:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2022-11-02 20:40:54,450 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9225589225589226 [2022-11-02 20:40:54,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 274 transitions. [2022-11-02 20:40:54,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions. [2022-11-02 20:40:54,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:54,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions. [2022-11-02 20:40:54,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,454 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 250 flow. Second operand 3 states and 274 transitions. [2022-11-02 20:40:54,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 100 transitions, 282 flow [2022-11-02 20:40:54,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:40:54,458 INFO L231 Difference]: Finished difference. Result has 98 places, 97 transitions, 252 flow [2022-11-02 20:40:54,459 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=98, PETRI_TRANSITIONS=97} [2022-11-02 20:40:54,459 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 8 predicate places. [2022-11-02 20:40:54,460 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 97 transitions, 252 flow [2022-11-02 20:40:54,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:54,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:54,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:40:54,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:54,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash 497494651, now seen corresponding path program 1 times [2022-11-02 20:40:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:54,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935465761] [2022-11-02 20:40:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:54,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:54,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935465761] [2022-11-02 20:40:54,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935465761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:54,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:54,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:40:54,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900801372] [2022-11-02 20:40:54,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:54,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:54,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:54,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:54,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:54,603 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2022-11-02 20:40:54,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 97 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:54,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2022-11-02 20:40:54,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:54,656 INFO L130 PetriNetUnfolder]: 6/148 cut-off events. [2022-11-02 20:40:54,656 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-02 20:40:54,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 148 events. 6/148 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 360 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 145. Up to 8 conditions per place. [2022-11-02 20:40:54,658 INFO L137 encePairwiseOnDemand]: 96/99 looper letters, 4 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2022-11-02 20:40:54,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 91 transitions, 234 flow [2022-11-02 20:40:54,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2022-11-02 20:40:54,660 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9326599326599326 [2022-11-02 20:40:54,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2022-11-02 20:40:54,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2022-11-02 20:40:54,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:54,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2022-11-02 20:40:54,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,663 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,663 INFO L175 Difference]: Start difference. First operand has 98 places, 97 transitions, 252 flow. Second operand 3 states and 277 transitions. [2022-11-02 20:40:54,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 91 transitions, 234 flow [2022-11-02 20:40:54,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 91 transitions, 218 flow, removed 4 selfloop flow, removed 5 redundant places. [2022-11-02 20:40:54,672 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 212 flow [2022-11-02 20:40:54,672 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2022-11-02 20:40:54,675 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 4 predicate places. [2022-11-02 20:40:54,676 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 212 flow [2022-11-02 20:40:54,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:54,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:54,677 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] [2022-11-02 20:40:54,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:40:54,677 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 832672352, now seen corresponding path program 1 times [2022-11-02 20:40:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:54,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269660216] [2022-11-02 20:40:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:54,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:54,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269660216] [2022-11-02 20:40:54,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269660216] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:54,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202048448] [2022-11-02 20:40:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:54,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:40:54,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:40:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:54,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:40:54,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:40:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:40:55,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:40:55,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202048448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:55,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:40:55,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 20:40:55,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204183318] [2022-11-02 20:40:55,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:55,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:40:55,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:55,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:55,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:40:55,009 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 99 [2022-11-02 20:40:55,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:55,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 99 [2022-11-02 20:40:55,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:55,075 INFO L130 PetriNetUnfolder]: 25/231 cut-off events. [2022-11-02 20:40:55,075 INFO L131 PetriNetUnfolder]: For 20/24 co-relation queries the response was YES. [2022-11-02 20:40:55,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 231 events. 25/231 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 943 event pairs, 5 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 286. Up to 40 conditions per place. [2022-11-02 20:40:55,077 INFO L137 encePairwiseOnDemand]: 94/99 looper letters, 14 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2022-11-02 20:40:55,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 97 transitions, 276 flow [2022-11-02 20:40:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:40:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-11-02 20:40:55,079 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9124579124579124 [2022-11-02 20:40:55,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-11-02 20:40:55,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-11-02 20:40:55,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:55,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-11-02 20:40:55,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,082 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,082 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 212 flow. Second operand 3 states and 271 transitions. [2022-11-02 20:40:55,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 97 transitions, 276 flow [2022-11-02 20:40:55,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 97 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:40:55,088 INFO L231 Difference]: Finished difference. Result has 96 places, 94 transitions, 254 flow [2022-11-02 20:40:55,089 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=96, PETRI_TRANSITIONS=94} [2022-11-02 20:40:55,092 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 6 predicate places. [2022-11-02 20:40:55,092 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 94 transitions, 254 flow [2022-11-02 20:40:55,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:55,094 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] [2022-11-02 20:40:55,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-02 20:40:55,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 20:40:55,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1500992215, now seen corresponding path program 1 times [2022-11-02 20:40:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:55,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601506432] [2022-11-02 20:40:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:55,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:55,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:55,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601506432] [2022-11-02 20:40:55,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601506432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:55,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803307476] [2022-11-02 20:40:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:55,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:55,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:55,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:40:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:40:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:55,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:40:55,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:40:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:55,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:40:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:55,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803307476] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:40:55,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:40:55,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-02 20:40:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159625010] [2022-11-02 20:40:55,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:40:55,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:40:55,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:55,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:40:55,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:40:55,739 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-02 20:40:55,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 94 transitions, 254 flow. Second operand has 10 states, 10 states have (on average 88.1) internal successors, (881), 10 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:55,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-02 20:40:55,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:55,894 INFO L130 PetriNetUnfolder]: 15/195 cut-off events. [2022-11-02 20:40:55,895 INFO L131 PetriNetUnfolder]: For 37/40 co-relation queries the response was YES. [2022-11-02 20:40:55,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 195 events. 15/195 cut-off events. For 37/40 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 576 event pairs, 0 based on Foata normal form. 2/185 useless extension candidates. Maximal degree in co-relation 251. Up to 23 conditions per place. [2022-11-02 20:40:55,897 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 11 selfloop transitions, 9 changer transitions 0/104 dead transitions. [2022-11-02 20:40:55,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 104 transitions, 316 flow [2022-11-02 20:40:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:40:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-02 20:40:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 796 transitions. [2022-11-02 20:40:55,904 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8933782267115601 [2022-11-02 20:40:55,905 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 796 transitions. [2022-11-02 20:40:55,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 796 transitions. [2022-11-02 20:40:55,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:55,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 796 transitions. [2022-11-02 20:40:55,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 88.44444444444444) internal successors, (796), 9 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,911 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,911 INFO L175 Difference]: Start difference. First operand has 96 places, 94 transitions, 254 flow. Second operand 9 states and 796 transitions. [2022-11-02 20:40:55,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 104 transitions, 316 flow [2022-11-02 20:40:55,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 104 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:40:55,915 INFO L231 Difference]: Finished difference. Result has 105 places, 100 transitions, 292 flow [2022-11-02 20:40:55,915 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=292, PETRI_PLACES=105, PETRI_TRANSITIONS=100} [2022-11-02 20:40:55,916 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 15 predicate places. [2022-11-02 20:40:55,916 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 100 transitions, 292 flow [2022-11-02 20:40:55,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.1) internal successors, (881), 10 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:55,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:55,917 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:55,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:56,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:56,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:56,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash 762735295, now seen corresponding path program 2 times [2022-11-02 20:40:56,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:56,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7925437] [2022-11-02 20:40:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:56,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:56,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7925437] [2022-11-02 20:40:56,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7925437] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:56,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403889156] [2022-11-02 20:40:56,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:40:56,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:56,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:56,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:40:56,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:40:56,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:40:56,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:40:56,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:40:56,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:40:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:56,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:40:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:56,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403889156] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:40:56,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:40:56,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-02 20:40:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270570236] [2022-11-02 20:40:56,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:40:56,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:40:56,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:56,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:40:56,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:40:56,615 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-02 20:40:56,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 292 flow. Second operand has 18 states, 18 states have (on average 88.27777777777777) internal successors, (1589), 18 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:56,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:56,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-02 20:40:56,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:56,899 INFO L130 PetriNetUnfolder]: 15/231 cut-off events. [2022-11-02 20:40:56,899 INFO L131 PetriNetUnfolder]: For 47/50 co-relation queries the response was YES. [2022-11-02 20:40:56,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 231 events. 15/231 cut-off events. For 47/50 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 568 event pairs, 0 based on Foata normal form. 4/222 useless extension candidates. Maximal degree in co-relation 340. Up to 23 conditions per place. [2022-11-02 20:40:56,902 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 21 changer transitions 0/124 dead transitions. [2022-11-02 20:40:56,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 480 flow [2022-11-02 20:40:56,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-02 20:40:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-02 20:40:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1850 transitions. [2022-11-02 20:40:56,907 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8898508898508899 [2022-11-02 20:40:56,907 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1850 transitions. [2022-11-02 20:40:56,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1850 transitions. [2022-11-02 20:40:56,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:56,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1850 transitions. [2022-11-02 20:40:56,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 88.0952380952381) internal successors, (1850), 21 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:56,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:56,918 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:56,918 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 292 flow. Second operand 21 states and 1850 transitions. [2022-11-02 20:40:56,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 480 flow [2022-11-02 20:40:56,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 124 transitions, 466 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-11-02 20:40:56,923 INFO L231 Difference]: Finished difference. Result has 129 places, 113 transitions, 416 flow [2022-11-02 20:40:56,923 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=416, PETRI_PLACES=129, PETRI_TRANSITIONS=113} [2022-11-02 20:40:56,924 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 39 predicate places. [2022-11-02 20:40:56,924 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 113 transitions, 416 flow [2022-11-02 20:40:56,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 88.27777777777777) internal successors, (1589), 18 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:56,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:56,925 INFO L208 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:56,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:57,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:57,138 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash 145926911, now seen corresponding path program 3 times [2022-11-02 20:40:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:57,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644906153] [2022-11-02 20:40:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:57,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:57,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644906153] [2022-11-02 20:40:57,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644906153] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:57,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727856918] [2022-11-02 20:40:57,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:40:57,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:57,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:40:57,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:40:57,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-02 20:40:57,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:40:57,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:40:57,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:40:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:57,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:40:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:58,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727856918] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:40:58,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:40:58,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-11-02 20:40:58,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388030219] [2022-11-02 20:40:58,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:40:58,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-02 20:40:58,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:58,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-02 20:40:58,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-11-02 20:40:58,352 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-02 20:40:58,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 113 transitions, 416 flow. Second operand has 34 states, 34 states have (on average 88.38235294117646) internal successors, (3005), 34 states have internal predecessors, (3005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:58,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:40:58,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-02 20:40:58,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:40:59,200 INFO L130 PetriNetUnfolder]: 15/303 cut-off events. [2022-11-02 20:40:59,201 INFO L131 PetriNetUnfolder]: For 279/282 co-relation queries the response was YES. [2022-11-02 20:40:59,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 303 events. 15/303 cut-off events. For 279/282 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 572 event pairs, 0 based on Foata normal form. 8/298 useless extension candidates. Maximal degree in co-relation 578. Up to 27 conditions per place. [2022-11-02 20:40:59,204 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 35 selfloop transitions, 45 changer transitions 0/164 dead transitions. [2022-11-02 20:40:59,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 164 transitions, 892 flow [2022-11-02 20:40:59,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-02 20:40:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-11-02 20:40:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 3958 transitions. [2022-11-02 20:40:59,213 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8884399551066218 [2022-11-02 20:40:59,213 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 3958 transitions. [2022-11-02 20:40:59,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 3958 transitions. [2022-11-02 20:40:59,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:59,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 3958 transitions. [2022-11-02 20:40:59,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 87.95555555555555) internal successors, (3958), 45 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:59,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 99.0) internal successors, (4554), 46 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:59,236 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 99.0) internal successors, (4554), 46 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:59,236 INFO L175 Difference]: Start difference. First operand has 129 places, 113 transitions, 416 flow. Second operand 45 states and 3958 transitions. [2022-11-02 20:40:59,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 164 transitions, 892 flow [2022-11-02 20:40:59,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 852 flow, removed 14 selfloop flow, removed 6 redundant places. [2022-11-02 20:40:59,242 INFO L231 Difference]: Finished difference. Result has 176 places, 138 transitions, 694 flow [2022-11-02 20:40:59,243 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=694, PETRI_PLACES=176, PETRI_TRANSITIONS=138} [2022-11-02 20:40:59,243 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 86 predicate places. [2022-11-02 20:40:59,244 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 138 transitions, 694 flow [2022-11-02 20:40:59,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 88.38235294117646) internal successors, (3005), 34 states have internal predecessors, (3005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:59,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:40:59,246 INFO L208 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:59,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:59,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-02 20:40:59,459 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:40:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1866871937, now seen corresponding path program 4 times [2022-11-02 20:40:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:59,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673913597] [2022-11-02 20:40:59,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:59,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:00,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673913597] [2022-11-02 20:41:00,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673913597] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:41:00,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981059924] [2022-11-02 20:41:00,746 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 20:41:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:00,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:41:00,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:41:00,887 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 20:41:00,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:41:00,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-02 20:41:00,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:41:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:01,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:41:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981059924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:41:02,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:41:02,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2022-11-02 20:41:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502728334] [2022-11-02 20:41:02,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:41:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-11-02 20:41:02,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-11-02 20:41:02,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2022-11-02 20:41:02,753 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-02 20:41:02,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 138 transitions, 694 flow. Second operand has 66 states, 66 states have (on average 88.43939393939394) internal successors, (5837), 66 states have internal predecessors, (5837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:02,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:02,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-02 20:41:02,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:05,325 INFO L130 PetriNetUnfolder]: 15/447 cut-off events. [2022-11-02 20:41:05,325 INFO L131 PetriNetUnfolder]: For 2211/2214 co-relation queries the response was YES. [2022-11-02 20:41:05,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 447 events. 15/447 cut-off events. For 2211/2214 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 575 event pairs, 0 based on Foata normal form. 16/450 useless extension candidates. Maximal degree in co-relation 1127. Up to 58 conditions per place. [2022-11-02 20:41:05,331 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 67 selfloop transitions, 93 changer transitions 0/244 dead transitions. [2022-11-02 20:41:05,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 244 transitions, 1862 flow [2022-11-02 20:41:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-02 20:41:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2022-11-02 20:41:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 8174 transitions. [2022-11-02 20:41:05,347 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8878027587705007 [2022-11-02 20:41:05,347 INFO L72 ComplementDD]: Start complementDD. Operand 93 states and 8174 transitions. [2022-11-02 20:41:05,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 8174 transitions. [2022-11-02 20:41:05,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:05,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 93 states and 8174 transitions. [2022-11-02 20:41:05,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 94 states, 93 states have (on average 87.89247311827957) internal successors, (8174), 93 states have internal predecessors, (8174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:05,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 94 states, 94 states have (on average 99.0) internal successors, (9306), 94 states have internal predecessors, (9306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:05,394 INFO L81 ComplementDD]: Finished complementDD. Result has 94 states, 94 states have (on average 99.0) internal successors, (9306), 94 states have internal predecessors, (9306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:05,394 INFO L175 Difference]: Start difference. First operand has 176 places, 138 transitions, 694 flow. Second operand 93 states and 8174 transitions. [2022-11-02 20:41:05,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 244 transitions, 1862 flow [2022-11-02 20:41:05,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 244 transitions, 1774 flow, removed 26 selfloop flow, removed 18 redundant places. [2022-11-02 20:41:05,409 INFO L231 Difference]: Finished difference. Result has 267 places, 187 transitions, 1328 flow [2022-11-02 20:41:05,410 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=1328, PETRI_PLACES=267, PETRI_TRANSITIONS=187} [2022-11-02 20:41:05,410 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 177 predicate places. [2022-11-02 20:41:05,411 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 187 transitions, 1328 flow [2022-11-02 20:41:05,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 88.43939393939394) internal successors, (5837), 66 states have internal predecessors, (5837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:05,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:05,415 INFO L208 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:05,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:41:05,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:05,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:41:05,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:05,631 INFO L85 PathProgramCache]: Analyzing trace with hash -188576641, now seen corresponding path program 5 times [2022-11-02 20:41:05,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:05,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876190376] [2022-11-02 20:41:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:09,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876190376] [2022-11-02 20:41:09,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876190376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:41:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571196353] [2022-11-02 20:41:09,427 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 20:41:09,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:09,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:09,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:41:09,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:41:09,654 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-11-02 20:41:09,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:41:09,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-02 20:41:09,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:41:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:10,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:41:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:13,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571196353] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:41:13,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:41:13,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 89 [2022-11-02 20:41:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521396877] [2022-11-02 20:41:13,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:41:13,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-11-02 20:41:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:13,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-11-02 20:41:13,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2024, Invalid=5808, Unknown=0, NotChecked=0, Total=7832 [2022-11-02 20:41:13,542 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-02 20:41:13,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 187 transitions, 1328 flow. Second operand has 89 states, 89 states have (on average 88.48314606741573) internal successors, (7875), 89 states have internal predecessors, (7875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:13,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:13,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-02 20:41:13,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:18,116 INFO L130 PetriNetUnfolder]: 15/555 cut-off events. [2022-11-02 20:41:18,117 INFO L131 PetriNetUnfolder]: For 7134/7137 co-relation queries the response was YES. [2022-11-02 20:41:18,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1746 conditions, 555 events. 15/555 cut-off events. For 7134/7137 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 575 event pairs, 0 based on Foata normal form. 12/554 useless extension candidates. Maximal degree in co-relation 1660. Up to 82 conditions per place. [2022-11-02 20:41:18,130 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 91 selfloop transitions, 129 changer transitions 0/304 dead transitions. [2022-11-02 20:41:18,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 304 transitions, 2832 flow [2022-11-02 20:41:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-11-02 20:41:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2022-11-02 20:41:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 11326 transitions. [2022-11-02 20:41:18,188 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8868530263879101 [2022-11-02 20:41:18,190 INFO L72 ComplementDD]: Start complementDD. Operand 129 states and 11326 transitions. [2022-11-02 20:41:18,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 11326 transitions. [2022-11-02 20:41:18,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:18,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 129 states and 11326 transitions. [2022-11-02 20:41:18,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 130 states, 129 states have (on average 87.7984496124031) internal successors, (11326), 129 states have internal predecessors, (11326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:18,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 130 states, 130 states have (on average 99.0) internal successors, (12870), 130 states have internal predecessors, (12870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:18,261 INFO L81 ComplementDD]: Finished complementDD. Result has 130 states, 130 states have (on average 99.0) internal successors, (12870), 130 states have internal predecessors, (12870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:18,261 INFO L175 Difference]: Start difference. First operand has 267 places, 187 transitions, 1328 flow. Second operand 129 states and 11326 transitions. [2022-11-02 20:41:18,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 304 transitions, 2832 flow [2022-11-02 20:41:18,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 304 transitions, 2688 flow, removed 30 selfloop flow, removed 42 redundant places. [2022-11-02 20:41:18,294 INFO L231 Difference]: Finished difference. Result has 366 places, 224 transitions, 1926 flow [2022-11-02 20:41:18,295 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=129, PETRI_FLOW=1926, PETRI_PLACES=366, PETRI_TRANSITIONS=224} [2022-11-02 20:41:18,296 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 276 predicate places. [2022-11-02 20:41:18,296 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 224 transitions, 1926 flow [2022-11-02 20:41:18,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 88.48314606741573) internal successors, (7875), 89 states have internal predecessors, (7875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:41:18,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:18,299 INFO L208 CegarLoopForPetriNet]: trace histogram [43, 43, 43, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:18,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:41:18,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:18,521 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-02 20:41:18,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1833153217, now seen corresponding path program 6 times [2022-11-02 20:41:18,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:18,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300129443] [2022-11-02 20:41:18,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:18,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:18,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:18,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:18,876 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:41:18,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-02 20:41:18,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-02 20:41:18,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-02 20:41:18,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-11-02 20:41:18,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2022-11-02 20:41:18,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-02 20:41:18,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-02 20:41:18,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-02 20:41:18,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:41:18,882 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:18,891 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:41:18,891 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:41:19,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:41:19 BasicIcfg [2022-11-02 20:41:19,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:41:19,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:41:19,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:41:19,106 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:41:19,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:52" (3/4) ... [2022-11-02 20:41:19,109 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:41:19,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:41:19,110 INFO L158 Benchmark]: Toolchain (without parser) took 27679.14ms. Allocated memory was 100.7MB in the beginning and 285.2MB in the end (delta: 184.5MB). Free memory was 60.2MB in the beginning and 90.4MB in the end (delta: -30.3MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,110 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:41:19,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.56ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 65.2MB in the end (delta: -5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.93ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,111 INFO L158 Benchmark]: Boogie Preprocessor took 57.50ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,112 INFO L158 Benchmark]: RCFGBuilder took 644.82ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 47.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,112 INFO L158 Benchmark]: TraceAbstraction took 26285.46ms. Allocated memory was 100.7MB in the beginning and 285.2MB in the end (delta: 184.5MB). Free memory was 46.3MB in the beginning and 91.5MB in the end (delta: -45.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2022-11-02 20:41:19,113 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 285.2MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:41:19,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.56ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 65.2MB in the end (delta: -5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.93ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.50ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.82ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 47.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 26285.46ms. Allocated memory was 100.7MB in the beginning and 285.2MB in the end (delta: 184.5MB). Free memory was 46.3MB in the beginning and 91.5MB in the end (delta: -45.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 285.2MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 704]: Data race detected Data race detected The following path leads to a data race: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [cond={4:0}, lock={3:0}] [L699] 0 int x; VAL [cond={4:0}, lock={3:0}, x=0] [L700] 0 _Bool x_set = 0; VAL [cond={4:0}, lock={3:0}, x=0, x_set=0] [L711] 0 pthread_t t; VAL [cond={4:0}, lock={3:0}, t={7:0}, x=0, x_set=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={4:0}, lock={3:0}, pthread_create( &t, ((void *)0), thread, ((void *)0) )=-1, t={7:0}, x=0, x_set=0] [L704] 1 !x_set VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0, x_set=0] [L713] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=1, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=2, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=3, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=4, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=5, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=6, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=7, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=8, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=9, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=10, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=11, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=12, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=13, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=14, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=15, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=16, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=17, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=18, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=19, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=20, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=21, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=22, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=23, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=24, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=25, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=26, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=27, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=28, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=29, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=30, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=31, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=32, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=33, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=34, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=35, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=36, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=37, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=38, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=39, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=40, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=41, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=42, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=0] [L713] COND FALSE 0 !(i <= 42) VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=0] [L715] 0 x_set = 1 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=1, x_set = 1=128] [L704] 1 !x_set VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=42, x_set=1] Now there is a data race on ~x_set~0 between C: x_set = 1 [715] and C: !x_set [704] - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.9s, OverallIterations: 12, TraceHistogramMax: 43, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 574 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 852 IncrementalHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 56 mSDtfsCounter, 852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1948 GetRequests, 1503 SyntacticMatches, 41 SemanticMatches, 404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13224 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1926occurred in iteration=11, InterpolantAutomatonStates: 315, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 2379 NumberOfCodeBlocks, 2379 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2699 ConstructedInterpolants, 0 QuantifiedInterpolants, 5867 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1625 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1/16211 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:41:19,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99adb967-8a95-46e7-8786-6bb3e91fdcb1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE