./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:27:52,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:27:52,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:27:52,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:27:52,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:27:52,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:27:52,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:27:52,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:27:52,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:27:52,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:27:52,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:27:52,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:27:52,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:27:52,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:27:52,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:27:52,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:27:52,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:27:52,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:27:52,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:27:52,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:27:52,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:27:52,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:27:52,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:27:52,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:27:52,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:27:52,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:27:52,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:27:52,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:27:52,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:27:52,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:27:52,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:27:52,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:27:52,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:27:52,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:27:52,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:27:52,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:27:52,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:27:52,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:27:52,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:27:52,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:27:52,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:27:52,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:27:52,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:27:52,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:27:52,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:27:52,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:27:52,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:27:52,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:27:52,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:27:52,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:27:52,673 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:27:52,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:27:52,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:27:52,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:27:52,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:27:52,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:27:52,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:27:52,677 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:27:52,677 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2022-12-13 13:27:52,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:27:52,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:27:52,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:27:52,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:27:52,868 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:27:52,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2022-12-13 13:27:55,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:27:55,665 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:27:55,665 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2022-12-13 13:27:55,678 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/data/3000c604b/6733290fdb214c1d96e9ec66f509bb52/FLAG7901318cc [2022-12-13 13:27:56,022 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/data/3000c604b/6733290fdb214c1d96e9ec66f509bb52 [2022-12-13 13:27:56,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:27:56,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:27:56,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:27:56,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:27:56,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:27:56,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a12e03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56, skipping insertion in model container [2022-12-13 13:27:56,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:27:56,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:27:56,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:27:56,407 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:27:56,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:27:56,489 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:27:56,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56 WrapperNode [2022-12-13 13:27:56,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:27:56,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:27:56,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:27:56,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:27:56,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,531 INFO L138 Inliner]: procedures = 262, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-12-13 13:27:56,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:27:56,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:27:56,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:27:56,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:27:56,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:27:56,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:27:56,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:27:56,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:27:56,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (1/1) ... [2022-12-13 13:27:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:27:56,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:27:56,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:27:56,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:27:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:27:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:27:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:27:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:27:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 13:27:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:27:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 13:27:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 13:27:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:27:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:27:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:27:56,625 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:27:56,724 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:27:56,726 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:27:56,921 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:27:56,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:27:56,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:27:56,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:27:56 BoogieIcfgContainer [2022-12-13 13:27:56,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:27:56,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:27:56,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:27:56,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:27:56,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:27:56" (1/3) ... [2022-12-13 13:27:56,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a92211f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:27:56, skipping insertion in model container [2022-12-13 13:27:56,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:27:56" (2/3) ... [2022-12-13 13:27:56,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a92211f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:27:56, skipping insertion in model container [2022-12-13 13:27:56,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:27:56" (3/3) ... [2022-12-13 13:27:56,939 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2022-12-13 13:27:56,951 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:27:56,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:27:56,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 13:27:56,958 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:27:57,002 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 13:27:57,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 96 transitions, 200 flow [2022-12-13 13:27:57,061 INFO L130 PetriNetUnfolder]: 0/95 cut-off events. [2022-12-13 13:27:57,061 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 13:27:57,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 0/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 13:27:57,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 96 transitions, 200 flow [2022-12-13 13:27:57,067 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 85 transitions, 173 flow [2022-12-13 13:27:57,069 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:27:57,077 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 85 transitions, 173 flow [2022-12-13 13:27:57,079 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 85 transitions, 173 flow [2022-12-13 13:27:57,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 85 transitions, 173 flow [2022-12-13 13:27:57,098 INFO L130 PetriNetUnfolder]: 0/85 cut-off events. [2022-12-13 13:27:57,098 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:27:57,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 0/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 13:27:57,099 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2022-12-13 13:27:58,679 INFO L134 LiptonReduction]: Checked pairs total: 10441 [2022-12-13 13:27:58,679 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-12-13 13:27:58,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:27:58,694 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3360f375, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:27:58,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 13:27:58,697 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-13 13:27:58,697 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:27:58,697 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:27:58,698 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:27:58,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:27:58,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2094317040, now seen corresponding path program 1 times [2022-12-13 13:27:58,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:58,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566912132] [2022-12-13 13:27:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:58,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:27:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:27:59,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:27:59,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566912132] [2022-12-13 13:27:59,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566912132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:27:59,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:27:59,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:27:59,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819621730] [2022-12-13 13:27:59,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:27:59,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:27:59,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:27:59,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:27:59,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:27:59,363 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 140 [2022-12-13 13:27:59,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:27:59,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 140 [2022-12-13 13:27:59,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:27:59,541 INFO L130 PetriNetUnfolder]: 165/476 cut-off events. [2022-12-13 13:27:59,541 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:27:59,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 476 events. 165/476 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2214 event pairs, 72 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 834. Up to 255 conditions per place. [2022-12-13 13:27:59,545 INFO L137 encePairwiseOnDemand]: 129/140 looper letters, 50 selfloop transitions, 22 changer transitions 0/87 dead transitions. [2022-12-13 13:27:59,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 87 transitions, 321 flow [2022-12-13 13:27:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:27:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:27:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 529 transitions. [2022-12-13 13:27:59,556 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6297619047619047 [2022-12-13 13:27:59,556 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 529 transitions. [2022-12-13 13:27:59,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 529 transitions. [2022-12-13 13:27:59,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:27:59,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 529 transitions. [2022-12-13 13:27:59,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,568 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,569 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 529 transitions. [2022-12-13 13:27:59,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 87 transitions, 321 flow [2022-12-13 13:27:59,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 87 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:27:59,573 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2022-12-13 13:27:59,574 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2022-12-13 13:27:59,577 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-12-13 13:27:59,577 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2022-12-13 13:27:59,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,578 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:27:59,578 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:27:59,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:27:59,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:27:59,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:59,579 INFO L85 PathProgramCache]: Analyzing trace with hash 702549362, now seen corresponding path program 1 times [2022-12-13 13:27:59,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:59,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835327843] [2022-12-13 13:27:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:27:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:27:59,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:27:59,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835327843] [2022-12-13 13:27:59,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835327843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:27:59,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:27:59,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:27:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137646865] [2022-12-13 13:27:59,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:27:59,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:27:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:27:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:27:59,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:27:59,861 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 140 [2022-12-13 13:27:59,862 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:27:59,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:27:59,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 140 [2022-12-13 13:27:59,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:27:59,990 INFO L130 PetriNetUnfolder]: 189/568 cut-off events. [2022-12-13 13:27:59,990 INFO L131 PetriNetUnfolder]: For 114/117 co-relation queries the response was YES. [2022-12-13 13:27:59,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 568 events. 189/568 cut-off events. For 114/117 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2983 event pairs, 68 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 1169. Up to 304 conditions per place. [2022-12-13 13:27:59,997 INFO L137 encePairwiseOnDemand]: 129/140 looper letters, 54 selfloop transitions, 26 changer transitions 0/100 dead transitions. [2022-12-13 13:27:59,997 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 488 flow [2022-12-13 13:27:59,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:27:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:28:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 532 transitions. [2022-12-13 13:28:00,001 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2022-12-13 13:28:00,001 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 532 transitions. [2022-12-13 13:28:00,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 532 transitions. [2022-12-13 13:28:00,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:28:00,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 532 transitions. [2022-12-13 13:28:00,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,004 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,005 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 532 transitions. [2022-12-13 13:28:00,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 488 flow [2022-12-13 13:28:00,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 100 transitions, 488 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:28:00,008 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2022-12-13 13:28:00,008 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2022-12-13 13:28:00,008 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2022-12-13 13:28:00,008 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2022-12-13 13:28:00,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,009 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:28:00,009 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:00,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:28:00,009 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)] === [2022-12-13 13:28:00,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:00,010 INFO L85 PathProgramCache]: Analyzing trace with hash -42460208, now seen corresponding path program 1 times [2022-12-13 13:28:00,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:00,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108706478] [2022-12-13 13:28:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:28:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:00,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108706478] [2022-12-13 13:28:00,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108706478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:00,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:00,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:28:00,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857679817] [2022-12-13 13:28:00,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:00,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:28:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:28:00,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:28:00,298 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 140 [2022-12-13 13:28:00,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:28:00,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 140 [2022-12-13 13:28:00,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:28:00,594 INFO L130 PetriNetUnfolder]: 411/974 cut-off events. [2022-12-13 13:28:00,594 INFO L131 PetriNetUnfolder]: For 607/614 co-relation queries the response was YES. [2022-12-13 13:28:00,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2665 conditions, 974 events. 411/974 cut-off events. For 607/614 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5067 event pairs, 137 based on Foata normal form. 0/928 useless extension candidates. Maximal degree in co-relation 2647. Up to 710 conditions per place. [2022-12-13 13:28:00,599 INFO L137 encePairwiseOnDemand]: 121/140 looper letters, 84 selfloop transitions, 69 changer transitions 0/162 dead transitions. [2022-12-13 13:28:00,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 162 transitions, 1008 flow [2022-12-13 13:28:00,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:28:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:28:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2022-12-13 13:28:00,602 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6083333333333333 [2022-12-13 13:28:00,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 511 transitions. [2022-12-13 13:28:00,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 511 transitions. [2022-12-13 13:28:00,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:28:00,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 511 transitions. [2022-12-13 13:28:00,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,605 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,605 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 511 transitions. [2022-12-13 13:28:00,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 162 transitions, 1008 flow [2022-12-13 13:28:00,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 162 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:28:00,612 INFO L231 Difference]: Finished difference. Result has 74 places, 146 transitions, 996 flow [2022-12-13 13:28:00,613 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=996, PETRI_PLACES=74, PETRI_TRANSITIONS=146} [2022-12-13 13:28:00,613 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2022-12-13 13:28:00,613 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 146 transitions, 996 flow [2022-12-13 13:28:00,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:28:00,614 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:00,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:28:00,614 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)] === [2022-12-13 13:28:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash -125104338, now seen corresponding path program 1 times [2022-12-13 13:28:00,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:00,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405084051] [2022-12-13 13:28:00,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:28:00,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:00,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405084051] [2022-12-13 13:28:00,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405084051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:00,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:00,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:28:00,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464676988] [2022-12-13 13:28:00,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:00,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:28:00,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:00,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:28:00,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:28:00,865 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 140 [2022-12-13 13:28:00,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 146 transitions, 996 flow. Second operand has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:00,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:28:00,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 140 [2022-12-13 13:28:00,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:28:01,087 INFO L130 PetriNetUnfolder]: 498/1139 cut-off events. [2022-12-13 13:28:01,087 INFO L131 PetriNetUnfolder]: For 1387/1406 co-relation queries the response was YES. [2022-12-13 13:28:01,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4014 conditions, 1139 events. 498/1139 cut-off events. For 1387/1406 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6096 event pairs, 136 based on Foata normal form. 0/1093 useless extension candidates. Maximal degree in co-relation 3991. Up to 884 conditions per place. [2022-12-13 13:28:01,093 INFO L137 encePairwiseOnDemand]: 125/140 looper letters, 155 selfloop transitions, 67 changer transitions 0/229 dead transitions. [2022-12-13 13:28:01,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 229 transitions, 1898 flow [2022-12-13 13:28:01,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:28:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:28:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 492 transitions. [2022-12-13 13:28:01,096 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5857142857142857 [2022-12-13 13:28:01,096 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 492 transitions. [2022-12-13 13:28:01,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 492 transitions. [2022-12-13 13:28:01,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:28:01,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 492 transitions. [2022-12-13 13:28:01,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.0) internal successors, (492), 6 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:01,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:01,100 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:01,100 INFO L175 Difference]: Start difference. First operand has 74 places, 146 transitions, 996 flow. Second operand 6 states and 492 transitions. [2022-12-13 13:28:01,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 229 transitions, 1898 flow [2022-12-13 13:28:01,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 229 transitions, 1842 flow, removed 28 selfloop flow, removed 0 redundant places. [2022-12-13 13:28:01,109 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1600 flow [2022-12-13 13:28:01,110 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1600, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2022-12-13 13:28:01,110 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2022-12-13 13:28:01,110 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1600 flow [2022-12-13 13:28:01,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:28:01,111 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:28:01,111 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:01,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:28:01,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:28:01,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1281989136, now seen corresponding path program 1 times [2022-12-13 13:28:01,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:01,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789060154] [2022-12-13 13:28:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:01,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:01,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:01,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:28:01,153 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-13 13:28:01,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-13 13:28:01,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-13 13:28:01,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-13 13:28:01,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-13 13:28:01,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-13 13:28:01,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-13 13:28:01,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-13 13:28:01,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:28:01,155 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 13:28:01,160 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:28:01,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:28:01,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:28:01 BasicIcfg [2022-12-13 13:28:01,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:28:01,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:28:01,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:28:01,181 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:28:01,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:27:56" (3/4) ... [2022-12-13 13:28:01,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:28:01,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:28:01,184 INFO L158 Benchmark]: Toolchain (without parser) took 5156.75ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 105.1MB in the beginning and 90.1MB in the end (delta: 15.0MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,184 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:28:01,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.08ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 78.0MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.06ms. Allocated memory is still 136.3MB. Free memory was 78.0MB in the beginning and 75.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,185 INFO L158 Benchmark]: Boogie Preprocessor took 27.50ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,185 INFO L158 Benchmark]: RCFGBuilder took 369.30ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 73.7MB in the beginning and 133.5MB in the end (delta: -59.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,186 INFO L158 Benchmark]: TraceAbstraction took 4247.44ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 90.1MB in the end (delta: 42.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-12-13 13:28:01,186 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 163.6MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:28:01,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.08ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 78.0MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.06ms. Allocated memory is still 136.3MB. Free memory was 78.0MB in the beginning and 75.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.50ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.30ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 73.7MB in the beginning and 133.5MB in the end (delta: -59.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4247.44ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 90.1MB in the end (delta: 42.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 163.6MB. Free memory is still 90.1MB. 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: 1.6s, 89 PlacesBefore, 45 PlacesAfterwards, 85 TransitionsBefore, 41 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 10441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2404, independent: 1915, independent conditional: 0, independent unconditional: 1915, dependent: 489, dependent conditional: 0, dependent unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 632, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2404, independent: 1328, independent conditional: 0, independent unconditional: 1328, dependent: 444, dependent conditional: 0, dependent unconditional: 444, unknown: 632, unknown conditional: 0, unknown unconditional: 632] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 pthread_t id; [L928] 0 int i; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L920] 1 int *p = (int *) arg; [L931] EXPR 0 \read(i) VAL [\read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}, pthread_mutex_lock(&mutex1)=0] [L931] 0 i++ VAL [\read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}, pthread_mutex_lock(&mutex1)=0] [L922] EXPR 1 \read(*p) VAL [\read(*p)=-3, arg={6:0}, arg={6:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={6:0}, arg={6:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L931] 0 i++ VAL [\read(*p)=-3, \read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={6:0}, arg={6:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L931] 0 i++ VAL [\read(*p)=-3, \read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={6:0}, arg={6:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L931] 0 i++ VAL [\read(*p)=-3, \read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L922] 1 (*p)++ VAL [(*p)++=25, (*p)++=-3, \read(*p)=-3, arg={6:0}, arg={6:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] [L931] 0 i++ VAL [(*p)++=-3, (*p)++=25, \read(*p)=-3, \read(i)=-3, arg={6:0}, arg={6:0}, i={6:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, p={6:0}] Now there is a data race (on the heap) between C: (*p)++ [922] and C: i++ [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: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 125 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 445 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 260 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1149 IncrementalHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 39 mSDtfsCounter, 1149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s 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 proved your program to be incorrect! [2022-12-13 13:28:01,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e46a120-907f-423d-bc9b-2e7b3896ef26/bin/uautomizer-uyxdKDjOR8/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