./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- 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-2329fc7 [2022-12-13 08:56:04,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:56:04,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:56:04,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:56:04,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:56:04,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:56:04,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:56:04,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:56:04,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:56:04,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:56:04,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:56:04,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:56:04,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:56:04,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:56:04,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:56:04,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:56:04,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:56:04,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:56:04,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:56:04,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:56:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:56:04,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:56:04,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:56:04,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:56:04,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:56:04,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:56:04,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:56:04,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:56:04,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:56:04,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:56:04,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:56:04,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:56:04,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:56:04,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:56:04,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:56:04,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:56:04,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:56:04,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:56:04,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:56:04,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:56:04,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:56:04,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-12-13 08:56:04,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:56:04,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:56:04,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:56:04,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:56:04,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:56:04,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:56:04,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:56:04,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:56:04,470 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:56:04,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:56:04,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:56:04,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:56:04,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:56:04,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:56:04,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 08:56:04,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:56:04,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:56:04,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:56:04,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:56:04,474 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:56:04,475 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:56:04,475 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_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2022-12-13 08:56:04,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:56:04,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:56:04,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:56:04,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:56:04,678 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:56:04,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-12-13 08:56:07,230 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:56:07,437 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:56:07,438 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-12-13 08:56:07,452 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/data/3a14c22eb/cb62b9c8bc1a45379df4b225427d824b/FLAG52e1fce8d [2022-12-13 08:56:07,463 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/data/3a14c22eb/cb62b9c8bc1a45379df4b225427d824b [2022-12-13 08:56:07,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:56:07,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:56:07,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:56:07,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:56:07,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:56:07,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:56:07" (1/1) ... [2022-12-13 08:56:07,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309ab746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:07, skipping insertion in model container [2022-12-13 08:56:07,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:56:07" (1/1) ... [2022-12-13 08:56:07,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:56:07,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:56:07,875 WARN L237 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_0b7de5b0-6871-4c20-8e11-f701c6b939e2/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-12-13 08:56:07,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:56:07,934 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:56:07,964 WARN L237 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_0b7de5b0-6871-4c20-8e11-f701c6b939e2/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-12-13 08:56:07,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:56:08,027 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:56:08,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08 WrapperNode [2022-12-13 08:56:08,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:56:08,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:56:08,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:56:08,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:56:08,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,092 INFO L138 Inliner]: procedures = 279, calls = 88, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 589 [2022-12-13 08:56:08,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:56:08,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:56:08,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:56:08,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:56:08,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:56:08,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:56:08,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:56:08,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:56:08,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (1/1) ... [2022-12-13 08:56:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:56:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:08,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:56:08,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:56:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:56:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 08:56:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-12-13 08:56:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-12-13 08:56:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:56:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-12-13 08:56:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:56:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 08:56:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-12-13 08:56:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-12-13 08:56:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:56:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:56:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:56:08,227 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:56:08,362 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:56:08,363 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:56:08,953 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:56:08,962 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:56:08,962 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-12-13 08:56:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:56:08 BoogieIcfgContainer [2022-12-13 08:56:08,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:56:08,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:56:08,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:56:08,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:56:08,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:56:07" (1/3) ... [2022-12-13 08:56:08,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:56:08, skipping insertion in model container [2022-12-13 08:56:08,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:56:08" (2/3) ... [2022-12-13 08:56:08,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:56:08, skipping insertion in model container [2022-12-13 08:56:08,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:56:08" (3/3) ... [2022-12-13 08:56:08,970 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2022-12-13 08:56:08,976 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:56:08,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:56:08,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-12-13 08:56:08,984 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:56:09,086 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-12-13 08:56:09,124 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:56:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:09,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:56:09,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:56:09,171 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:56:09,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2022-12-13 08:56:09,184 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=PARTIAL_ORDER_FA, 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;@5df2d169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:09,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 08:56:09,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-12-13 08:56:09,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:09,994 INFO L85 PathProgramCache]: Analyzing trace with hash 180323795, now seen corresponding path program 1 times [2022-12-13 08:56:10,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:10,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911598031] [2022-12-13 08:56:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:10,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:10,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:10,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911598031] [2022-12-13 08:56:10,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911598031] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:10,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533342554] [2022-12-13 08:56:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:10,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:10,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:10,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:56:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:10,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 08:56:10,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:56:10,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:56:10,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533342554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:10,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:56:10,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 08:56:10,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135349832] [2022-12-13 08:56:10,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:10,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:10,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:10,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:10,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:10,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:10,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:10,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:10,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:56:11,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:11,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-12-13 08:56:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1137853378, now seen corresponding path program 1 times [2022-12-13 08:56:11,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:11,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699672576] [2022-12-13 08:56:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:11,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:11,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699672576] [2022-12-13 08:56:11,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699672576] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:11,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189858580] [2022-12-13 08:56:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:11,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:11,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 08:56:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:11,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 08:56:11,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:11,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:56:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:11,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189858580] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:11,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:11,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 08:56:11,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119768947] [2022-12-13 08:56:11,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:11,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 08:56:11,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:11,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 08:56:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 08:56:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:11,487 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:11,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:11,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:11,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:11,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-13 08:56:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-13 08:56:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-13 08:56:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-12-13 08:56:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-13 08:56:11,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-13 08:56:11,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-13 08:56:11,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-13 08:56:11,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 08:56:11,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:11,793 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 08:56:11,794 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/4) [2022-12-13 08:56:11,800 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:11,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:56:11,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:11,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:56:11,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-12-13 08:56:11,805 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:56:11,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork2 ======== [2022-12-13 08:56:11,806 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=PARTIAL_ORDER_FA, 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;@5df2d169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:11,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 08:56:12,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:12,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1910080375, now seen corresponding path program 1 times [2022-12-13 08:56:12,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:12,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912632500] [2022-12-13 08:56:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:12,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:12,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:12,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912632500] [2022-12-13 08:56:12,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912632500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:12,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:12,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599038283] [2022-12-13 08:56:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:12,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:12,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:12,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:12,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:12,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:12,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:12,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 08:56:12,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr1ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:12,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash 910799356, now seen corresponding path program 1 times [2022-12-13 08:56:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:12,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076024057] [2022-12-13 08:56:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:13,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076024057] [2022-12-13 08:56:13,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076024057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:13,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:13,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:13,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115772988] [2022-12-13 08:56:13,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:13,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:13,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:13,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:13,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:13,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:13,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:13,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 08:56:13,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr2ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:13,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:13,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1955045025, now seen corresponding path program 1 times [2022-12-13 08:56:13,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:13,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959308972] [2022-12-13 08:56:13,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:13,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:13,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:13,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959308972] [2022-12-13 08:56:13,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959308972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:13,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:13,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:13,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080680759] [2022-12-13 08:56:13,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:13,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:13,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:13,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:13,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:13,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:13,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 08:56:13,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr4ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:13,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1871438263, now seen corresponding path program 1 times [2022-12-13 08:56:13,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:13,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953869384] [2022-12-13 08:56:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:13,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:14,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:14,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953869384] [2022-12-13 08:56:14,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953869384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:14,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:14,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995367983] [2022-12-13 08:56:14,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:14,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:14,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:14,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:14,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 08:56:14,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr5ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:14,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:14,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1527584016, now seen corresponding path program 1 times [2022-12-13 08:56:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:14,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577000358] [2022-12-13 08:56:14,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:14,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:15,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:15,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577000358] [2022-12-13 08:56:15,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577000358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:15,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:15,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:15,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581825038] [2022-12-13 08:56:15,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:15,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:15,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:15,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:15,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:15,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:15,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 08:56:15,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:15,261 INFO L85 PathProgramCache]: Analyzing trace with hash 905345269, now seen corresponding path program 1 times [2022-12-13 08:56:15,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:15,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314437720] [2022-12-13 08:56:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:15,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:15,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314437720] [2022-12-13 08:56:15,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314437720] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:15,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:15,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:15,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546060155] [2022-12-13 08:56:15,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:15,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:15,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:15,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:15,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:15,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:15,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 6 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 08:56:16,036 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:16,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:16,037 INFO L85 PathProgramCache]: Analyzing trace with hash 289338673, now seen corresponding path program 1 times [2022-12-13 08:56:16,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:16,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824891557] [2022-12-13 08:56:16,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:16,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 08:56:16,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:16,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824891557] [2022-12-13 08:56:16,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824891557] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:16,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132767877] [2022-12-13 08:56:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:16,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:16,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:16,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 08:56:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:16,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 08:56:16,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 08:56:16,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:56:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 08:56:16,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132767877] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:16,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:16,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 08:56:16,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293634158] [2022-12-13 08:56:16,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:16,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 08:56:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 08:56:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 08:56:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:16,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:16,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 08:56:16,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 08:56:16,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr3ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:16,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:16,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1955046019, now seen corresponding path program 1 times [2022-12-13 08:56:16,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:16,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544447462] [2022-12-13 08:56:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:16,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544447462] [2022-12-13 08:56:17,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544447462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561484414] [2022-12-13 08:56:17,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:17,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-13 08:56:17,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-13 08:56:17,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 08:56:17,183 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 08:56:17,183 INFO L307 ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/4) [2022-12-13 08:56:17,187 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:17,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:56:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:17,188 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:56:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-12-13 08:56:17,191 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:56:17,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:56:17,191 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=PARTIAL_ORDER_FA, 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;@5df2d169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:17,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-12-13 08:56:17,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,209 INFO L85 PathProgramCache]: Analyzing trace with hash -144433217, now seen corresponding path program 1 times [2022-12-13 08:56:17,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701638208] [2022-12-13 08:56:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701638208] [2022-12-13 08:56:17,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701638208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:17,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484735615] [2022-12-13 08:56:17,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:17,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:17,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:17,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 08:56:17,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1718122675, now seen corresponding path program 1 times [2022-12-13 08:56:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201140069] [2022-12-13 08:56:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201140069] [2022-12-13 08:56:17,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201140069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913387810] [2022-12-13 08:56:17,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 08:56:17,258 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -891214021, now seen corresponding path program 1 times [2022-12-13 08:56:17,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147117381] [2022-12-13 08:56:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147117381] [2022-12-13 08:56:17,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147117381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:17,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613357459] [2022-12-13 08:56:17,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:17,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,388 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 08:56:17,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash -98937874, now seen corresponding path program 1 times [2022-12-13 08:56:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27533602] [2022-12-13 08:56:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27533602] [2022-12-13 08:56:17,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27533602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:17,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093246990] [2022-12-13 08:56:17,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:17,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:17,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 08:56:17,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,657 INFO L85 PathProgramCache]: Analyzing trace with hash 127196719, now seen corresponding path program 1 times [2022-12-13 08:56:17,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045519478] [2022-12-13 08:56:17,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045519478] [2022-12-13 08:56:17,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045519478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112081185] [2022-12-13 08:56:17,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:17,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:17,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 08:56:17,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1523410163, now seen corresponding path program 1 times [2022-12-13 08:56:17,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652892697] [2022-12-13 08:56:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:17,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:17,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652892697] [2022-12-13 08:56:17,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652892697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:17,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:17,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:17,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828264646] [2022-12-13 08:56:17,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:17,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:17,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:17,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:17,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:17,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:17,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:17,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 08:56:17,923 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-12-13 08:56:17,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,923 INFO L85 PathProgramCache]: Analyzing trace with hash 497226703, now seen corresponding path program 1 times [2022-12-13 08:56:17,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15550219] [2022-12-13 08:56:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:56:17,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 08:56:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:56:17,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 08:56:17,993 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 08:56:17,993 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2022-12-13 08:56:17,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2022-12-13 08:56:17,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2022-12-13 08:56:17,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2022-12-13 08:56:17,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 21 remaining) [2022-12-13 08:56:17,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 21 remaining) [2022-12-13 08:56:17,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 08:56:18,000 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 08:56:18,000 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (3/4) [2022-12-13 08:56:18,001 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 08:56:18,001 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 08:56:18,076 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-12-13 08:56:18,114 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:18,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:56:18,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:18,115 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:56:18,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7de5b0-6871-4c20-8e11-f701c6b939e2/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-12-13 08:56:18,119 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:56:18,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of2ForFork2 ======== [2022-12-13 08:56:18,120 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=PARTIAL_ORDER_FA, 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;@5df2d169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:56:18,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 08:56:18,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2013042118, now seen corresponding path program 1 times [2022-12-13 08:56:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:18,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833752096] [2022-12-13 08:56:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:18,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:18,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833752096] [2022-12-13 08:56:18,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833752096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:18,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:18,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:18,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696672229] [2022-12-13 08:56:18,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:18,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:18,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:18,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:18,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:18,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:18,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 08:56:18,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr1ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:18,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:18,930 INFO L85 PathProgramCache]: Analyzing trace with hash 633514443, now seen corresponding path program 1 times [2022-12-13 08:56:18,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:18,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999589218] [2022-12-13 08:56:18,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:19,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:19,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999589218] [2022-12-13 08:56:19,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999589218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:19,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:19,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:19,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744715963] [2022-12-13 08:56:19,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:19,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:19,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:19,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:19,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:19,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:19,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:19,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 08:56:19,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr2ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:19,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:19,376 INFO L85 PathProgramCache]: Analyzing trace with hash 641312400, now seen corresponding path program 1 times [2022-12-13 08:56:19,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:19,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012380542] [2022-12-13 08:56:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:19,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:19,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012380542] [2022-12-13 08:56:19,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012380542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:19,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:19,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:56:19,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440126516] [2022-12-13 08:56:19,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:19,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:19,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:19,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:19,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:19,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:19,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:19,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:19,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:19,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 08:56:19,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr4ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:19,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1490208431, now seen corresponding path program 1 times [2022-12-13 08:56:19,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:19,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162407536] [2022-12-13 08:56:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:19,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:20,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:20,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162407536] [2022-12-13 08:56:20,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162407536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:20,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:20,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:20,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137762222] [2022-12-13 08:56:20,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:20,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:20,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:20,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:20,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:20,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:20,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:20,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:20,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:20,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 08:56:20,424 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr5ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:20,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:20,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1646495553, now seen corresponding path program 1 times [2022-12-13 08:56:20,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:20,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750602865] [2022-12-13 08:56:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:20,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:20,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:20,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750602865] [2022-12-13 08:56:20,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750602865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:20,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:20,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:20,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628138747] [2022-12-13 08:56:20,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:20,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:20,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:20,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:20,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:20,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:20,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:20,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:20,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:20,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 08:56:21,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:21,016 INFO L85 PathProgramCache]: Analyzing trace with hash -171807676, now seen corresponding path program 1 times [2022-12-13 08:56:21,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:21,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011328916] [2022-12-13 08:56:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:21,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011328916] [2022-12-13 08:56:21,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011328916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:21,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:21,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:56:21,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449403346] [2022-12-13 08:56:21,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:21,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:56:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:56:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:56:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:21,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:21,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 6 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 08:56:22,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:22,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:22,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1848330818, now seen corresponding path program 1 times [2022-12-13 08:56:22,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:22,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254206466] [2022-12-13 08:56:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:22,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 08:56:22,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:22,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254206466] [2022-12-13 08:56:22,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254206466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:22,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:22,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 08:56:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478972788] [2022-12-13 08:56:22,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:22,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 08:56:22,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:22,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 08:56:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-12-13 08:56:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:22,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:22,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 13.857142857142858) internal successors, (194), 15 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 08:56:23,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 08:56:23,931 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE, t1_funErr2ASSERT_VIOLATIONDATA_RACE, t1_funErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 08:56:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1922754364, now seen corresponding path program 1 times [2022-12-13 08:56:23,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:23,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605075779] [2022-12-13 08:56:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 08:56:24,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:24,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605075779] [2022-12-13 08:56:24,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605075779] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:56:24,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:56:24,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:56:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107221792] [2022-12-13 08:56:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:56:24,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:56:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:56:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:56:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:24,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:24,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-12-13 08:56:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.