./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:56:47,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:56:47,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:56:47,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:56:47,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:56:47,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:56:47,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:56:47,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:56:47,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:56:47,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:56:47,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:56:47,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:56:47,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:56:47,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:56:47,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:56:47,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:56:47,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:56:47,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:56:47,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:56:47,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:56:47,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:56:47,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:56:47,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:56:47,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:56:47,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:56:47,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:56:47,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:56:47,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:56:47,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:56:47,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:56:47,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:56:47,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:56:47,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:56:47,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:56:47,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:56:47,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:56:47,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:56:47,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:56:47,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:56:47,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:56:47,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:56:47,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:56:47,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:56:47,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:56:47,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:56:47,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:56:47,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:56:47,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:56:47,545 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:56:47,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:56:47,545 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:56:47,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:56:47,546 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:56:47,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:56:47,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:56:47,547 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:56:47,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:56:47,548 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:56:47,548 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:56:47,548 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:56:47,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:56:47,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:56:47,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:56:47,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:56:47,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:56:47,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:56:47,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:56:47,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:56:47,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:56:47,550 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:56:47,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:56:47,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:56:47,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:56:47,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:56:47,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:56:47,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:56:47,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:56:47,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:56:47,552 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:56:47,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:56:47,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:56:47,553 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:56:47,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:56:47,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:56:47,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:56:47,554 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_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2022-11-03 01:56:47,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:56:47,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:56:47,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:56:47,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:56:47,863 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:56:47,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-11-03 01:56:47,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/data/2a34602b1/4fce3613a2334fefb1a32a366289930e/FLAGa604acb67 [2022-11-03 01:56:48,552 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:56:48,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-11-03 01:56:48,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/data/2a34602b1/4fce3613a2334fefb1a32a366289930e/FLAGa604acb67 [2022-11-03 01:56:48,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/data/2a34602b1/4fce3613a2334fefb1a32a366289930e [2022-11-03 01:56:48,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:56:48,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:56:48,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:56:48,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:56:48,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:56:48,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:56:48" (1/1) ... [2022-11-03 01:56:48,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8baf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:48, skipping insertion in model container [2022-11-03 01:56:48,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:56:48" (1/1) ... [2022-11-03 01:56:48,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:56:48,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:56:49,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:56:49,402 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:56:49,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:56:49,547 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:56:49,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49 WrapperNode [2022-11-03 01:56:49,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:56:49,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:56:49,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:56:49,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:56:49,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,625 INFO L138 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-03 01:56:49,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:56:49,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:56:49,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:56:49,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:56:49,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,679 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:56:49,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:56:49,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:56:49,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:56:49,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (1/1) ... [2022-11-03 01:56:49,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:56:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:56:49,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:56:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:56:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:56:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 01:56:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 01:56:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:56:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:56:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:56:49,782 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:56:49,991 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:56:49,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:56:50,248 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:56:50,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:56:50,255 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:56:50,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:56:50 BoogieIcfgContainer [2022-11-03 01:56:50,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:56:50,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:56:50,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:56:50,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:56:50,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:56:48" (1/3) ... [2022-11-03 01:56:50,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590f3f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:56:50, skipping insertion in model container [2022-11-03 01:56:50,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:49" (2/3) ... [2022-11-03 01:56:50,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590f3f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:56:50, skipping insertion in model container [2022-11-03 01:56:50,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:56:50" (3/3) ... [2022-11-03 01:56:50,272 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2022-11-03 01:56:50,281 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:56:50,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:56:50,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-03 01:56:50,293 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:56:50,373 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-03 01:56:50,417 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:56:50,433 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 92 transitions, 192 flow [2022-11-03 01:56:50,438 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 92 transitions, 192 flow [2022-11-03 01:56:50,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2022-11-03 01:56:50,486 INFO L130 PetriNetUnfolder]: 0/91 cut-off events. [2022-11-03 01:56:50,486 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-03 01:56:50,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-03 01:56:50,490 INFO L118 LiptonReduction]: Number of co-enabled transitions 1392 [2022-11-03 01:56:53,461 INFO L133 LiptonReduction]: Checked pairs total: 10537 [2022-11-03 01:56:53,462 INFO L135 LiptonReduction]: Total number of compositions: 48 [2022-11-03 01:56:53,471 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2022-11-03 01:56:53,533 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:53,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:56:53,562 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=FINITE_AUTOMATA, 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;@6ad8df70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:56:53,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-03 01:56:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:56:53,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:53,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:53,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 01:56:53,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:53,578 INFO L85 PathProgramCache]: Analyzing trace with hash -417915225, now seen corresponding path program 1 times [2022-11-03 01:56:53,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:53,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876404099] [2022-11-03 01:56:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:54,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:54,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876404099] [2022-11-03 01:56:54,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876404099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:54,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:54,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:54,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529011250] [2022-11-03 01:56:54,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:54,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:56:54,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:56:54,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:54,350 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:54,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:54,700 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2022-11-03 01:56:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:56:54,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2022-11-03 01:56:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:54,716 INFO L225 Difference]: With dead ends: 482 [2022-11-03 01:56:54,716 INFO L226 Difference]: Without dead ends: 482 [2022-11-03 01:56:54,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:54,720 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:54,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 35 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:56:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-11-03 01:56:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2022-11-03 01:56:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2022-11-03 01:56:54,823 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2022-11-03 01:56:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:54,824 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2022-11-03 01:56:54,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2022-11-03 01:56:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:56:54,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:54,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:54,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:56:54,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 01:56:54,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1134489218, now seen corresponding path program 1 times [2022-11-03 01:56:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:54,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90368689] [2022-11-03 01:56:54,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:55,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:55,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90368689] [2022-11-03 01:56:55,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90368689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:55,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:55,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897369798] [2022-11-03 01:56:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:56:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:56:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:55,180 INFO L87 Difference]: Start difference. First operand 454 states and 861 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:55,412 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2022-11-03 01:56:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:56:55,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2022-11-03 01:56:55,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:55,415 INFO L225 Difference]: With dead ends: 487 [2022-11-03 01:56:55,416 INFO L226 Difference]: Without dead ends: 487 [2022-11-03 01:56:55,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:55,417 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 34 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:55,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 46 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:56:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-03 01:56:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2022-11-03 01:56:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-11-03 01:56:55,437 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-11-03 01:56:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:55,437 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-11-03 01:56:55,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-11-03 01:56:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:56:55,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:55,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:55,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:56:55,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 01:56:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:55,440 INFO L85 PathProgramCache]: Analyzing trace with hash 87419173, now seen corresponding path program 1 times [2022-11-03 01:56:55,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:55,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836406967] [2022-11-03 01:56:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:55,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836406967] [2022-11-03 01:56:55,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836406967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:55,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:55,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:55,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383127133] [2022-11-03 01:56:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:55,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:56:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:55,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:56:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:55,707 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:55,956 INFO L93 Difference]: Finished difference Result 553 states and 1050 transitions. [2022-11-03 01:56:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:56:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2022-11-03 01:56:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:55,962 INFO L225 Difference]: With dead ends: 553 [2022-11-03 01:56:55,962 INFO L226 Difference]: Without dead ends: 540 [2022-11-03 01:56:55,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:55,963 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 44 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:55,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 36 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:56:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-11-03 01:56:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2022-11-03 01:56:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2022-11-03 01:56:55,989 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2022-11-03 01:56:55,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:55,989 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2022-11-03 01:56:55,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2022-11-03 01:56:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:56:55,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:55,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:55,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:56:55,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 01:56:55,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:56,000 INFO L85 PathProgramCache]: Analyzing trace with hash 618497992, now seen corresponding path program 1 times [2022-11-03 01:56:56,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:56,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52748582] [2022-11-03 01:56:56,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:56,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:56,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:56,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52748582] [2022-11-03 01:56:56,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52748582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:56,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:56,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:56,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453428612] [2022-11-03 01:56:56,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:56,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:56:56,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:56,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:56:56,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:56,338 INFO L87 Difference]: Start difference. First operand 540 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:56,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:56,565 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2022-11-03 01:56:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:56:56,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2022-11-03 01:56:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:56,569 INFO L225 Difference]: With dead ends: 611 [2022-11-03 01:56:56,569 INFO L226 Difference]: Without dead ends: 611 [2022-11-03 01:56:56,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:56:56,573 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:56,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:56:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-11-03 01:56:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2022-11-03 01:56:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-11-03 01:56:56,596 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-11-03 01:56:56,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:56,596 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-11-03 01:56:56,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-11-03 01:56:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 01:56:56,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:56,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:56,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:56:56,602 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 01:56:56,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:56,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1478520971, now seen corresponding path program 1 times [2022-11-03 01:56:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:56,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429148775] [2022-11-03 01:56:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:56:56,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:56:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:56:56,695 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:56:56,695 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:56:56,698 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-03 01:56:56,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-03 01:56:56,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-03 01:56:56,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-03 01:56:56,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-03 01:56:56,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-03 01:56:56,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-03 01:56:56,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-03 01:56:56,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:56:56,710 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-03 01:56:56,718 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 01:56:56,718 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:56:56,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:56:56 BasicIcfg [2022-11-03 01:56:56,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:56:56,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:56:56,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:56:56,763 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:56:56,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:56:50" (3/4) ... [2022-11-03 01:56:56,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:56:56,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:56:56,768 INFO L158 Benchmark]: Toolchain (without parser) took 7932.10ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 39.8MB in the end (delta: 25.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,768 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:56:56,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.62ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 62.5MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.94ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,769 INFO L158 Benchmark]: Boogie Preprocessor took 55.79ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,769 INFO L158 Benchmark]: RCFGBuilder took 572.91ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 43.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,770 INFO L158 Benchmark]: TraceAbstraction took 6502.62ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 42.3MB in the beginning and 39.8MB in the end (delta: 2.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-11-03 01:56:56,770 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 134.2MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:56:56,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.62ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 62.5MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.94ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.79ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.91ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 43.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6502.62ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 42.3MB in the beginning and 39.8MB in the end (delta: 2.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 134.2MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 96 PlacesBefore, 48 PlacesAfterwards, 92 TransitionsBefore, 44 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 10537 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 1394, positive conditional: 0, positive unconditional: 1394, negative: 507, negative conditional: 0, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663, positive: 585, positive conditional: 0, positive unconditional: 585, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 663, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 261, negative conditional: 0, negative unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1901, positive: 809, positive conditional: 0, positive unconditional: 809, negative: 429, negative conditional: 0, negative unconditional: 429, unknown: 663, unknown conditional: 0, unknown unconditional: 663] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L921] 1 int *p = &myglobal; [L931] EXPR 0 \read(myglobal) VAL [\read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal=myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, myglobal=myglobal+1=25, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal=myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, myglobal=myglobal+1=25, p={1:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *p + 1 [923] * C: myglobal+1 [931] * C: myglobal+1 [931] * C: myglobal+1 [931] * C: myglobal+1 [931] and C: myglobal=myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 130 mSDtfsCounter, 893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 62 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 01:56:56,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeff022-3740-4f37-880e-ab91a3a47353/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE