./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:25:20,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:25:20,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:25:20,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:25:20,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:25:20,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:25:20,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:25:20,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:25:20,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:25:20,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:25:20,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:25:20,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:25:20,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:25:20,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:25:20,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:25:20,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:25:20,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:25:20,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:25:20,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:25:20,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:25:20,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:25:20,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:25:20,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:25:20,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:25:20,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:25:20,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:25:20,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:25:20,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:25:20,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:25:20,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:25:20,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:25:20,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:25:20,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:25:20,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:25:20,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:25:20,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:25:20,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:25:20,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:25:20,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:25:20,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:25:20,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:25:20,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:25:20,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:25:20,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:25:20,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:25:20,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:25:20,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:25:20,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:25:20,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:25:20,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:25:20,662 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:25:20,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:25:20,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:25:20,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:25:20,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:25:20,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:25:20,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:25:20,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:25:20,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:25:20,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:25:20,667 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:25:20,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:25:20,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:25:20,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:25:20,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:25:20,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:25:20,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:25:20,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:25:20,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:25:20,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:25:20,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:25:20,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:25:20,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:25:20,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:25:20,673 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:25:20,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:25:20,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:25:20,675 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_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2022-11-16 12:25:21,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:25:21,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:25:21,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:25:21,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:25:21,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:25:21,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-16 12:25:21,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/data/937c4edb5/ca42ee5cd8484148938cb242a8167208/FLAG05403a14a [2022-11-16 12:25:21,670 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:25:21,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-16 12:25:21,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/data/937c4edb5/ca42ee5cd8484148938cb242a8167208/FLAG05403a14a [2022-11-16 12:25:21,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/data/937c4edb5/ca42ee5cd8484148938cb242a8167208 [2022-11-16 12:25:21,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:25:21,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:25:21,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:25:21,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:25:21,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:25:21,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:25:21" (1/1) ... [2022-11-16 12:25:21,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579f3638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:21, skipping insertion in model container [2022-11-16 12:25:21,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:25:21" (1/1) ... [2022-11-16 12:25:21,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:25:21,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:25:22,286 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-16 12:25:22,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:25:22,888 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:25:22,902 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-16 12:25:22,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:25:23,030 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:25:23,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23 WrapperNode [2022-11-16 12:25:23,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:25:23,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:25:23,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:25:23,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:25:23,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,104 INFO L138 Inliner]: procedures = 364, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-11-16 12:25:23,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:25:23,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:25:23,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:25:23,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:25:23,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:25:23,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:25:23,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:25:23,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:25:23,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (1/1) ... [2022-11-16 12:25:23,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:25:23,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:23,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:23,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2022-11-16 12:25:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2022-11-16 12:25:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:25:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:25:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:25:23,233 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:25:23,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:25:23,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:25:23,711 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:25:23,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:25:23,719 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:25:23,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:25:23 BoogieIcfgContainer [2022-11-16 12:25:23,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:25:23,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:25:23,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:25:23,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:25:23,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:25:21" (1/3) ... [2022-11-16 12:25:23,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ab690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:25:23, skipping insertion in model container [2022-11-16 12:25:23,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:25:23" (2/3) ... [2022-11-16 12:25:23,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ab690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:25:23, skipping insertion in model container [2022-11-16 12:25:23,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:25:23" (3/3) ... [2022-11-16 12:25:23,733 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2022-11-16 12:25:23,743 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:25:23,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:25:23,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-16 12:25:23,755 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:25:23,855 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 12:25:23,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 126 transitions, 260 flow [2022-11-16 12:25:23,982 INFO L130 PetriNetUnfolder]: 7/125 cut-off events. [2022-11-16 12:25:23,983 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:25:23,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 7/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 150 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-11-16 12:25:23,989 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 126 transitions, 260 flow [2022-11-16 12:25:23,993 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 109 transitions, 224 flow [2022-11-16 12:25:24,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:25:24,010 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;@12c4e7d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:25:24,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-16 12:25:24,021 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-16 12:25:24,021 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:25:24,022 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:24,022 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:24,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:24,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1136870972, now seen corresponding path program 1 times [2022-11-16 12:25:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:24,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763161226] [2022-11-16 12:25:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:24,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:24,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:24,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763161226] [2022-11-16 12:25:24,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763161226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:24,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:24,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668145695] [2022-11-16 12:25:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:24,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:24,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:24,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:24,350 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 126 [2022-11-16 12:25:24,353 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:24,354 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 126 [2022-11-16 12:25:24,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:24,525 INFO L130 PetriNetUnfolder]: 51/339 cut-off events. [2022-11-16 12:25:24,525 INFO L131 PetriNetUnfolder]: For 12/17 co-relation queries the response was YES. [2022-11-16 12:25:24,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 339 events. 51/339 cut-off events. For 12/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1474 event pairs, 36 based on Foata normal form. 32/319 useless extension candidates. Maximal degree in co-relation 389. Up to 105 conditions per place. [2022-11-16 12:25:24,542 INFO L137 encePairwiseOnDemand]: 119/126 looper letters, 19 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2022-11-16 12:25:24,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 252 flow [2022-11-16 12:25:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2022-11-16 12:25:24,558 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8227513227513228 [2022-11-16 12:25:24,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2022-11-16 12:25:24,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2022-11-16 12:25:24,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:24,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2022-11-16 12:25:24,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,574 INFO L175 Difference]: Start difference. First operand has 107 places, 109 transitions, 224 flow. Second operand 3 states and 311 transitions. [2022-11-16 12:25:24,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 252 flow [2022-11-16 12:25:24,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 248 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:25:24,582 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 210 flow [2022-11-16 12:25:24,584 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2022-11-16 12:25:24,587 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2022-11-16 12:25:24,588 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 210 flow [2022-11-16 12:25:24,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,588 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:24,589 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:24,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:25:24,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:24,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1369833840, now seen corresponding path program 1 times [2022-11-16 12:25:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:24,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075442055] [2022-11-16 12:25:24,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:24,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075442055] [2022-11-16 12:25:24,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075442055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:24,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:24,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617864519] [2022-11-16 12:25:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:24,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:24,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:24,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:24,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:24,706 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 126 [2022-11-16 12:25:24,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:24,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 126 [2022-11-16 12:25:24,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:24,841 INFO L130 PetriNetUnfolder]: 52/339 cut-off events. [2022-11-16 12:25:24,841 INFO L131 PetriNetUnfolder]: For 3/7 co-relation queries the response was YES. [2022-11-16 12:25:24,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 339 events. 52/339 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1424 event pairs, 15 based on Foata normal form. 2/295 useless extension candidates. Maximal degree in co-relation 414. Up to 60 conditions per place. [2022-11-16 12:25:24,845 INFO L137 encePairwiseOnDemand]: 116/126 looper letters, 19 selfloop transitions, 6 changer transitions 4/111 dead transitions. [2022-11-16 12:25:24,846 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 111 transitions, 282 flow [2022-11-16 12:25:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2022-11-16 12:25:24,849 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-16 12:25:24,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2022-11-16 12:25:24,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2022-11-16 12:25:24,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:24,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2022-11-16 12:25:24,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,855 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 210 flow. Second operand 3 states and 324 transitions. [2022-11-16 12:25:24,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 111 transitions, 282 flow [2022-11-16 12:25:24,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 111 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:25:24,860 INFO L231 Difference]: Finished difference. Result has 105 places, 103 transitions, 247 flow [2022-11-16 12:25:24,860 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=105, PETRI_TRANSITIONS=103} [2022-11-16 12:25:24,861 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, -2 predicate places. [2022-11-16 12:25:24,861 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 247 flow [2022-11-16 12:25:24,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:24,862 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:24,862 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:24,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:25:24,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:24,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:24,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1591231174, now seen corresponding path program 1 times [2022-11-16 12:25:24,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:24,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823861263] [2022-11-16 12:25:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:24,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:25,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:25,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823861263] [2022-11-16 12:25:25,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823861263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:25,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:25,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:25,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202003880] [2022-11-16 12:25:25,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:25,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:25,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:25,046 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 126 [2022-11-16 12:25:25,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 103 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:25,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 126 [2022-11-16 12:25:25,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:25,131 INFO L130 PetriNetUnfolder]: 35/352 cut-off events. [2022-11-16 12:25:25,132 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-16 12:25:25,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 352 events. 35/352 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1422 event pairs, 9 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 192. Up to 50 conditions per place. [2022-11-16 12:25:25,135 INFO L137 encePairwiseOnDemand]: 123/126 looper letters, 9 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2022-11-16 12:25:25,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 106 transitions, 275 flow [2022-11-16 12:25:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2022-11-16 12:25:25,139 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8968253968253969 [2022-11-16 12:25:25,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions. [2022-11-16 12:25:25,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions. [2022-11-16 12:25:25,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:25,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions. [2022-11-16 12:25:25,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,144 INFO L175 Difference]: Start difference. First operand has 105 places, 103 transitions, 247 flow. Second operand 3 states and 339 transitions. [2022-11-16 12:25:25,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 106 transitions, 275 flow [2022-11-16 12:25:25,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 106 transitions, 263 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:25:25,148 INFO L231 Difference]: Finished difference. Result has 102 places, 104 transitions, 247 flow [2022-11-16 12:25:25,149 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=102, PETRI_TRANSITIONS=104} [2022-11-16 12:25:25,150 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2022-11-16 12:25:25,150 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 104 transitions, 247 flow [2022-11-16 12:25:25,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,151 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:25,151 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:25,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:25:25,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:25,153 INFO L85 PathProgramCache]: Analyzing trace with hash -578668616, now seen corresponding path program 1 times [2022-11-16 12:25:25,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:25,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609918683] [2022-11-16 12:25:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:25,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609918683] [2022-11-16 12:25:25,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609918683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:25,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:25,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258330325] [2022-11-16 12:25:25,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:25,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:25,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:25,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:25,262 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 126 [2022-11-16 12:25:25,262 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 104 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:25,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 126 [2022-11-16 12:25:25,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:25,458 INFO L130 PetriNetUnfolder]: 144/716 cut-off events. [2022-11-16 12:25:25,458 INFO L131 PetriNetUnfolder]: For 93/107 co-relation queries the response was YES. [2022-11-16 12:25:25,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1192 conditions, 716 events. 144/716 cut-off events. For 93/107 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4101 event pairs, 49 based on Foata normal form. 5/638 useless extension candidates. Maximal degree in co-relation 547. Up to 235 conditions per place. [2022-11-16 12:25:25,465 INFO L137 encePairwiseOnDemand]: 120/126 looper letters, 27 selfloop transitions, 7 changer transitions 0/114 dead transitions. [2022-11-16 12:25:25,465 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 114 transitions, 347 flow [2022-11-16 12:25:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2022-11-16 12:25:25,468 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254 [2022-11-16 12:25:25,468 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 312 transitions. [2022-11-16 12:25:25,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 312 transitions. [2022-11-16 12:25:25,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:25,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 312 transitions. [2022-11-16 12:25:25,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,478 INFO L175 Difference]: Start difference. First operand has 102 places, 104 transitions, 247 flow. Second operand 3 states and 312 transitions. [2022-11-16 12:25:25,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 114 transitions, 347 flow [2022-11-16 12:25:25,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 114 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:25:25,483 INFO L231 Difference]: Finished difference. Result has 105 places, 109 transitions, 301 flow [2022-11-16 12:25:25,484 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=105, PETRI_TRANSITIONS=109} [2022-11-16 12:25:25,487 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, -2 predicate places. [2022-11-16 12:25:25,487 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 109 transitions, 301 flow [2022-11-16 12:25:25,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:25,493 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:25,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:25:25,495 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:25,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash 67441710, now seen corresponding path program 1 times [2022-11-16 12:25:25,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:25,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471008214] [2022-11-16 12:25:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:25,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:25,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:25,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471008214] [2022-11-16 12:25:25,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471008214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:25,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:25,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:25,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756949406] [2022-11-16 12:25:25,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:25,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:25,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:25,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:25,585 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 126 [2022-11-16 12:25:25,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 109 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:25,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 126 [2022-11-16 12:25:25,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:25,753 INFO L130 PetriNetUnfolder]: 148/711 cut-off events. [2022-11-16 12:25:25,753 INFO L131 PetriNetUnfolder]: For 328/344 co-relation queries the response was YES. [2022-11-16 12:25:25,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1423 conditions, 711 events. 148/711 cut-off events. For 328/344 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4014 event pairs, 41 based on Foata normal form. 0/658 useless extension candidates. Maximal degree in co-relation 625. Up to 229 conditions per place. [2022-11-16 12:25:25,761 INFO L137 encePairwiseOnDemand]: 120/126 looper letters, 29 selfloop transitions, 9 changer transitions 0/120 dead transitions. [2022-11-16 12:25:25,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 120 transitions, 427 flow [2022-11-16 12:25:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2022-11-16 12:25:25,783 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8306878306878307 [2022-11-16 12:25:25,784 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 314 transitions. [2022-11-16 12:25:25,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions. [2022-11-16 12:25:25,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:25,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions. [2022-11-16 12:25:25,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,789 INFO L175 Difference]: Start difference. First operand has 105 places, 109 transitions, 301 flow. Second operand 3 states and 314 transitions. [2022-11-16 12:25:25,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 120 transitions, 427 flow [2022-11-16 12:25:25,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 120 transitions, 407 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:25:25,798 INFO L231 Difference]: Finished difference. Result has 107 places, 114 transitions, 355 flow [2022-11-16 12:25:25,799 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=107, PETRI_TRANSITIONS=114} [2022-11-16 12:25:25,802 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2022-11-16 12:25:25,803 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 114 transitions, 355 flow [2022-11-16 12:25:25,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:25,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:25,804 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:25,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:25:25,804 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:25,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1636650350, now seen corresponding path program 1 times [2022-11-16 12:25:25,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:25,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584088738] [2022-11-16 12:25:25,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:25,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:26,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:26,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584088738] [2022-11-16 12:25:26,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584088738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:26,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:26,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:26,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404703288] [2022-11-16 12:25:26,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:26,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:26,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:26,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:26,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:26,062 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 126 [2022-11-16 12:25:26,063 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 114 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,063 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:26,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 126 [2022-11-16 12:25:26,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:26,124 INFO L130 PetriNetUnfolder]: 6/168 cut-off events. [2022-11-16 12:25:26,124 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-11-16 12:25:26,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 168 events. 6/168 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 2 based on Foata normal form. 5/168 useless extension candidates. Maximal degree in co-relation 161. Up to 15 conditions per place. [2022-11-16 12:25:26,126 INFO L137 encePairwiseOnDemand]: 122/126 looper letters, 7 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2022-11-16 12:25:26,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 94 transitions, 255 flow [2022-11-16 12:25:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:25:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2022-11-16 12:25:26,128 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8756613756613757 [2022-11-16 12:25:26,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2022-11-16 12:25:26,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2022-11-16 12:25:26,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:26,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2022-11-16 12:25:26,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,132 INFO L175 Difference]: Start difference. First operand has 107 places, 114 transitions, 355 flow. Second operand 3 states and 331 transitions. [2022-11-16 12:25:26,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 94 transitions, 255 flow [2022-11-16 12:25:26,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 219 flow, removed 8 selfloop flow, removed 8 redundant places. [2022-11-16 12:25:26,135 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 205 flow [2022-11-16 12:25:26,136 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=205, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2022-11-16 12:25:26,136 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, -10 predicate places. [2022-11-16 12:25:26,137 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 205 flow [2022-11-16 12:25:26,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,137 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:26,138 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:26,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:25:26,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:26,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:26,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1489553915, now seen corresponding path program 1 times [2022-11-16 12:25:26,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:26,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666517956] [2022-11-16 12:25:26,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:26,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:26,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666517956] [2022-11-16 12:25:26,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666517956] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:26,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177732370] [2022-11-16 12:25:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:26,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:26,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:26,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:26,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:25:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:26,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:25:26,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:26,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:25:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:26,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177732370] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:25:26,587 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:25:26,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-16 12:25:26,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952836644] [2022-11-16 12:25:26,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:25:26,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:25:26,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:26,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:25:26,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:25:26,592 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 126 [2022-11-16 12:25:26,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 205 flow. Second operand has 10 states, 10 states have (on average 109.9) internal successors, (1099), 10 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:26,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 126 [2022-11-16 12:25:26,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:26,720 INFO L130 PetriNetUnfolder]: 8/215 cut-off events. [2022-11-16 12:25:26,721 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:25:26,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 215 events. 8/215 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 371 event pairs, 3 based on Foata normal form. 2/211 useless extension candidates. Maximal degree in co-relation 86. Up to 13 conditions per place. [2022-11-16 12:25:26,722 INFO L137 encePairwiseOnDemand]: 120/126 looper letters, 9 selfloop transitions, 9 changer transitions 0/102 dead transitions. [2022-11-16 12:25:26,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 102 transitions, 259 flow [2022-11-16 12:25:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:25:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 12:25:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 992 transitions. [2022-11-16 12:25:26,727 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8747795414462081 [2022-11-16 12:25:26,727 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 992 transitions. [2022-11-16 12:25:26,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 992 transitions. [2022-11-16 12:25:26,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:26,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 992 transitions. [2022-11-16 12:25:26,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 110.22222222222223) internal successors, (992), 9 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,735 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,735 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 205 flow. Second operand 9 states and 992 transitions. [2022-11-16 12:25:26,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 102 transitions, 259 flow [2022-11-16 12:25:26,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:25:26,739 INFO L231 Difference]: Finished difference. Result has 107 places, 100 transitions, 251 flow [2022-11-16 12:25:26,740 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=96, 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=251, PETRI_PLACES=107, PETRI_TRANSITIONS=100} [2022-11-16 12:25:26,740 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2022-11-16 12:25:26,740 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 100 transitions, 251 flow [2022-11-16 12:25:26,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 109.9) internal successors, (1099), 10 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:26,748 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:25:26,750 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 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] [2022-11-16 12:25:26,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:26,960 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-16 12:25:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2049065533, now seen corresponding path program 2 times [2022-11-16 12:25:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:26,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503225797] [2022-11-16 12:25:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:27,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:27,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503225797] [2022-11-16 12:25:27,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503225797] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:27,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508578480] [2022-11-16 12:25:27,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:25:27,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:27,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:27,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:25:27,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 12:25:27,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:25:27,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 12:25:27,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:27,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:25:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 12:25:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,487 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:25:27,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-16 12:25:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:25:27,535 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:25:27,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-16 12:25:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-16 12:25:27,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:27,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508578480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:27,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:27,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-11-16 12:25:27,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335240308] [2022-11-16 12:25:27,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:27,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:25:27,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:27,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:25:27,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:25:27,577 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 126 [2022-11-16 12:25:27,578 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 100 transitions, 251 flow. Second operand has 7 states, 7 states have (on average 105.42857142857143) internal successors, (738), 7 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:27,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:25:27,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 126 [2022-11-16 12:25:27,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:25:27,634 INFO L130 PetriNetUnfolder]: 8/214 cut-off events. [2022-11-16 12:25:27,634 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-16 12:25:27,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 214 events. 8/214 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 369 event pairs, 3 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 203. Up to 11 conditions per place. [2022-11-16 12:25:27,635 INFO L137 encePairwiseOnDemand]: 120/126 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2022-11-16 12:25:27,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 99 transitions, 269 flow [2022-11-16 12:25:27,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:25:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-16 12:25:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 739 transitions. [2022-11-16 12:25:27,638 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8378684807256236 [2022-11-16 12:25:27,638 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 739 transitions. [2022-11-16 12:25:27,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 739 transitions. [2022-11-16 12:25:27,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:27,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 739 transitions. [2022-11-16 12:25:27,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:27,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 126.0) internal successors, (1008), 8 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:27,643 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 126.0) internal successors, (1008), 8 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:27,644 INFO L175 Difference]: Start difference. First operand has 107 places, 100 transitions, 251 flow. Second operand 7 states and 739 transitions. [2022-11-16 12:25:27,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 99 transitions, 269 flow [2022-11-16 12:25:27,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 99 transitions, 263 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-11-16 12:25:27,646 INFO L231 Difference]: Finished difference. Result has 111 places, 0 transitions, 0 flow [2022-11-16 12:25:27,646 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=111, PETRI_TRANSITIONS=0} [2022-11-16 12:25:27,649 INFO L288 CegarLoopForPetriNet]: 107 programPoint places, 4 predicate places. [2022-11-16 12:25:27,650 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 0 transitions, 0 flow [2022-11-16 12:25:27,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.42857142857143) internal successors, (738), 7 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:27,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-16 12:25:27,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-16 12:25:27,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-16 12:25:27,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-11-16 12:25:27,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-16 12:25:27,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-16 12:25:27,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-16 12:25:27,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-16 12:25:27,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-16 12:25:27,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-16 12:25:27,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:27,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:27,868 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:27,874 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:25:27,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:25:27,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:25:27 BasicIcfg [2022-11-16 12:25:27,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:25:27,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:25:27,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:25:27,883 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:25:27,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:25:23" (3/4) ... [2022-11-16 12:25:27,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:25:27,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2022-11-16 12:25:27,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-16 12:25:27,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 12:25:27,901 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:25:27,901 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:25:27,959 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:25:27,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:25:27,960 INFO L158 Benchmark]: Toolchain (without parser) took 6044.63ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 70.8MB in the beginning and 60.9MB in the end (delta: 9.8MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,960 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:25:27,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.03ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 63.0MB in the end (delta: 7.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.51ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,961 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 58.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,961 INFO L158 Benchmark]: RCFGBuilder took 566.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 58.5MB in the beginning and 108.7MB in the end (delta: -50.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,962 INFO L158 Benchmark]: TraceAbstraction took 4158.68ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 108.1MB in the beginning and 63.0MB in the end (delta: 45.1MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,962 INFO L158 Benchmark]: Witness Printer took 76.15ms. Allocated memory is still 176.2MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:25:27,964 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 117.4MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.03ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 63.0MB in the end (delta: 7.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.51ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 58.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 58.5MB in the beginning and 108.7MB in the end (delta: -50.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4158.68ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 108.1MB in the beginning and 63.0MB in the end (delta: 45.1MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 76.15ms. Allocated memory is still 176.2MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 147 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 86 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 621 NumberOfCodeBlocks, 579 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 675 ConstructedInterpolants, 0 QuantifiedInterpolants, 1123 SizeOfPredicates, 2 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 45/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:25:27,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd78070-9735-469a-b2b6-2bc87554d2ce/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE