./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am --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 fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 --- 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-4e7fbc6 [2022-11-23 06:44:42,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:44:42,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:44:42,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:44:42,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:44:42,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:44:42,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:44:42,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:44:42,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:44:42,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:44:42,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:44:42,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:44:42,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:44:42,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:44:42,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:44:42,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:44:42,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:44:42,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:44:42,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:44:42,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:44:42,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:44:42,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:44:42,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:44:42,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:44:42,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:44:42,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:44:42,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:44:42,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:44:42,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:44:42,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:44:42,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:44:42,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:44:42,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:44:42,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:44:42,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:44:42,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:44:42,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:44:42,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:44:42,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:44:42,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:44:42,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:44:42,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-23 06:44:42,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:44:42,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:44:42,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:44:42,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:44:42,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:44:42,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:44:42,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:44:42,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:44:42,627 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:44:42,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:44:42,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:44:42,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:44:42,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:44:42,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:44:42,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:44:42,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 06:44:42,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:44:42,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 06:44:42,630 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 06:44:42,631 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:44:42,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 06:44:42,632 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:44:42,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 06:44:42,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:44:42,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:44:42,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-23 06:44:42,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:44:42,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:42,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:44:42,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:44:42,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 06:44:42,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:44:42,636 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-23 06:44:42,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:44:42,636 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:44:42,636 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:44:42,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:44:42,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 06:44:42,638 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:44:42,638 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:44:42,638 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_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 [2022-11-23 06:44:42,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:44:43,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:44:43,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:44:43,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:44:43,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:44:43,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2022-11-23 06:44:46,114 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:44:46,489 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:44:46,490 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2022-11-23 06:44:46,503 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/data/31e4ef33d/7fd0c90b0a11443e96fc6a0515ed282b/FLAG2b34e3b37 [2022-11-23 06:44:46,518 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/data/31e4ef33d/7fd0c90b0a11443e96fc6a0515ed282b [2022-11-23 06:44:46,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:44:46,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:44:46,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:46,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:44:46,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:44:46,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:46" (1/1) ... [2022-11-23 06:44:46,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d816467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:46, skipping insertion in model container [2022-11-23 06:44:46,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:46" (1/1) ... [2022-11-23 06:44:46,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:44:46,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:44:47,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:47,154 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:44:47,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:47,299 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:44:47,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47 WrapperNode [2022-11-23 06:44:47,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:47,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:47,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:44:47,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:44:47,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,346 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-11-23 06:44:47,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:47,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:44:47,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:44:47,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:44:47,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,374 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:44:47,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:44:47,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:44:47,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:44:47,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2022-11-23 06:44:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:47,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:47,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:44:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:44:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:44:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:44:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:44:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:44:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:44:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:44:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:44:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:44:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:44:47,467 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:44:47,599 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:44:47,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:44:47,823 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:44:47,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:44:47,830 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:44:47,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:47 BoogieIcfgContainer [2022-11-23 06:44:47,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:44:47,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:44:47,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:44:47,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:44:47,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:44:46" (1/3) ... [2022-11-23 06:44:47,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d99f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:47, skipping insertion in model container [2022-11-23 06:44:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (2/3) ... [2022-11-23 06:44:47,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d99f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:47, skipping insertion in model container [2022-11-23 06:44:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:47" (3/3) ... [2022-11-23 06:44:47,842 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2022-11-23 06:44:47,850 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 06:44:47,861 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:44:47,861 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 06:44:47,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:44:47,971 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 06:44:48,018 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:48,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:44:48,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:48,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:48,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:44:48,085 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:44:48,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-23 06:44:48,103 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;@655cc4fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:48,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:44:48,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:44:48,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash 66458975, now seen corresponding path program 1 times [2022-11-23 06:44:48,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:48,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437606857] [2022-11-23 06:44:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:44:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:44:49,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:44:49,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437606857] [2022-11-23 06:44:49,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437606857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:44:49,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:44:49,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 06:44:49,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457717272] [2022-11-23 06:44:49,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:44:49,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 06:44:49,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:44:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 06:44:50,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-23 06:44:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:50,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:50,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-23 06:44:50,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:50,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:44:50,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:44:50,635 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:44:50,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1226040306, now seen corresponding path program 1 times [2022-11-23 06:44:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:50,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568666801] [2022-11-23 06:44:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:50,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:44:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:50,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 06:44:50,756 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:44:50,757 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-23 06:44:50,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 06:44:50,779 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 06:44:50,781 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2022-11-23 06:44:50,785 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:44:50,785 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:44:50,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:44:50 BasicIcfg [2022-11-23 06:44:50,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:44:50,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:44:50,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:44:50,842 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:44:50,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:47" (3/4) ... [2022-11-23 06:44:50,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:44:50,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:44:50,846 INFO L158 Benchmark]: Toolchain (without parser) took 4324.82ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 142.4MB in the end (delta: 10.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-23 06:44:50,847 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:50,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.45ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 124.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 06:44:50,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.69ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 122.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 06:44:50,848 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 188.7MB. Free memory was 122.1MB in the beginning and 120.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:50,848 INFO L158 Benchmark]: RCFGBuilder took 454.30ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 106.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:44:50,849 INFO L158 Benchmark]: TraceAbstraction took 3005.73ms. Allocated memory is still 188.7MB. Free memory was 105.3MB in the beginning and 142.4MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:50,849 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 188.7MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:50,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.45ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 124.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.69ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 122.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 188.7MB. Free memory was 122.1MB in the beginning and 120.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.30ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 106.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3005.73ms. Allocated memory is still 188.7MB. Free memory was 105.3MB in the beginning and 142.4MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 188.7MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 224, independent: 210, independent conditional: 17, independent unconditional: 193, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 672, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 103, dependent conditional: 45, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 35, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 700, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 508, unknown conditional: 0, unknown unconditional: 508] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 448, independent: 359, independent conditional: 68, independent unconditional: 291, dependent: 89, dependent conditional: 41, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 672, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 103, dependent conditional: 45, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 35, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 700, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 508, unknown conditional: 0, unknown unconditional: 508] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 445, Positive conditional cache size: 0, Positive unconditional cache size: 445, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 1, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 67, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 224, independent: 210, independent conditional: 17, independent unconditional: 193, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 672, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 103, dependent conditional: 45, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 35, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 700, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 508, unknown conditional: 0, unknown unconditional: 508] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 133, Number of trivial persistent sets: 122, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 339, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 448, independent: 359, independent conditional: 68, independent unconditional: 291, dependent: 89, dependent conditional: 41, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 672, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 103, dependent conditional: 45, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 665, independent: 569, independent conditional: 85, independent unconditional: 484, dependent: 96, dependent conditional: 38, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 35, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 508, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 700, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 508, unknown conditional: 0, unknown unconditional: 508] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 445, Positive conditional cache size: 0, Positive unconditional cache size: 445, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 1, Independence queries for same thread: 7, Statistics for Abstraction: - DataRaceFoundResult [Line: 996]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [#in~arg={0:0}, A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, pthread_create(&id,((void *)0),t_fun,((void *)0))=-1, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}] [L1019] 0 *d = 8 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38] [L1019] 0 *d = 8 VAL [#in~arg={0:0}, *d = 8=37, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38] [L1019] 0 *d = 8 VAL [#in~arg={0:0}, *d = 8=37, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38] [L1019] 0 *d = 8 VAL [#in~arg={0:0}, *d = 8=37, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [#in~arg={0:0}, A={1:0}, arg={0:0}, B={2:0}, B.datum = 5=38] 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: *d = 8 [1019] * C: *d = 8 [1019] * C: *d = 8 [1019] and C: B.datum = 5 [996] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 proved your program to be incorrect! [2022-11-23 06:44:50,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 06:44:51,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21604d1a-f3c6-4434-bcb0-411c7b6f3a28/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE