./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:03:41,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:03:41,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:03:41,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:03:41,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:03:41,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:03:41,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:03:41,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:03:41,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:03:41,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:03:41,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:03:41,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:03:41,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:03:41,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:03:41,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:03:41,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:03:41,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:03:41,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:03:41,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:03:41,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:03:41,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:03:41,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:03:41,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:03:41,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:03:41,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:03:41,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:03:41,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:03:41,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:03:41,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:03:41,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:03:41,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:03:41,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:03:41,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:03:41,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:03:41,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:03:41,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:03:41,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:03:41,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:03:41,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:03:41,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:03:41,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:03:41,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-12 23:03:41,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:03:41,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:03:41,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:03:41,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:03:41,703 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:03:41,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:03:41,704 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:03:41,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:03:41,705 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:03:41,706 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:03:41,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:03:41,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:03:41,707 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:03:41,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:03:41,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:03:41,709 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:03:41,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:03:41,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:03:41,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:03:41,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:03:41,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:03:41,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:03:41,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:03:41,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:03:41,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:03:41,714 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-12 23:03:41,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:03:41,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:03:41,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:03:41,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:03:41,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:03:41,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:03:41,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:03:41,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:41,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:03:41,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:03:41,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:03:41,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:03:41,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:03:41,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:03:41,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:03:41,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:03:41,721 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 [2021-11-12 23:03:42,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:03:42,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:03:42,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:03:42,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:03:42,090 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:03:42,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2021-11-12 23:03:42,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/data/912bd6fb8/074a6d78d9cc44c9bcc60abfbb240c7a/FLAG281545668 [2021-11-12 23:03:42,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:03:42,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2021-11-12 23:03:42,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/data/912bd6fb8/074a6d78d9cc44c9bcc60abfbb240c7a/FLAG281545668 [2021-11-12 23:03:43,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/data/912bd6fb8/074a6d78d9cc44c9bcc60abfbb240c7a [2021-11-12 23:03:43,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:03:43,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:03:43,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:43,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:03:43,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:03:43,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:43" (1/1) ... [2021-11-12 23:03:43,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a90335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:43, skipping insertion in model container [2021-11-12 23:03:43,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:43" (1/1) ... [2021-11-12 23:03:43,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:03:43,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:43,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:43,976 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:03:44,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:44,134 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:03:44,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44 WrapperNode [2021-11-12 23:03:44,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:44,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:44,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:03:44,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:03:44,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:44,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:03:44,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:03:44,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:03:44,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:03:44,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:03:44,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:03:44,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:03:44,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (1/1) ... [2021-11-12 23:03:44,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:03:44,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:03:44,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:03:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:03:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:03:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:03:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-12 23:03:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-12 23:03:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-12 23:03:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:03:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:03:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:03:44,418 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:03:44,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:03:44,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:03:44,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:44 BoogieIcfgContainer [2021-11-12 23:03:44,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:03:44,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:03:44,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:03:44,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:03:44,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:03:43" (1/3) ... [2021-11-12 23:03:44,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4981d2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:44, skipping insertion in model container [2021-11-12 23:03:44,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:44" (2/3) ... [2021-11-12 23:03:44,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4981d2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:44, skipping insertion in model container [2021-11-12 23:03:44,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:44" (3/3) ... [2021-11-12 23:03:44,847 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2021-11-12 23:03:44,858 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:03:44,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:03:44,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-12 23:03:44,859 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:03:44,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:44,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:45,018 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:03:45,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:03:45,117 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:03:45,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-12 23:03:45,146 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:03:45,166 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 100 transitions, 205 flow [2021-11-12 23:03:45,170 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 100 transitions, 205 flow [2021-11-12 23:03:45,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 100 transitions, 205 flow [2021-11-12 23:03:45,267 INFO L129 PetriNetUnfolder]: 1/99 cut-off events. [2021-11-12 23:03:45,267 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:03:45,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 99 events. 1/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2021-11-12 23:03:45,280 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2021-11-12 23:03:49,857 INFO L131 LiptonReduction]: Checked pairs total: 8375 [2021-11-12 23:03:49,857 INFO L133 LiptonReduction]: Total number of compositions: 86 [2021-11-12 23:03:49,868 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 33 transitions, 71 flow [2021-11-12 23:03:49,895 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 209 states have (on average 2.0526315789473686) internal successors, (429), 225 states have internal predecessors, (429), 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) [2021-11-12 23:03:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 209 states have (on average 2.0526315789473686) internal successors, (429), 225 states have internal predecessors, (429), 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) [2021-11-12 23:03:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-12 23:03:49,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:49,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-12 23:03:49,908 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash 359971, now seen corresponding path program 1 times [2021-11-12 23:03:49,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:49,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857068693] [2021-11-12 23:03:49,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:49,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:50,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:50,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857068693] [2021-11-12 23:03:50,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857068693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:50,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:50,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:03:50,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76565464] [2021-11-12 23:03:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:50,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:03:50,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:50,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:03:50,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:03:50,266 INFO L87 Difference]: Start difference. First operand has 226 states, 209 states have (on average 2.0526315789473686) internal successors, (429), 225 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-12 23:03:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:50,352 INFO L93 Difference]: Finished difference Result 202 states and 383 transitions. [2021-11-12 23:03:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:03:50,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-12 23:03:50,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:50,375 INFO L225 Difference]: With dead ends: 202 [2021-11-12 23:03:50,376 INFO L226 Difference]: Without dead ends: 202 [2021-11-12 23:03:50,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:03:50,383 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:50,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 18 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 39.74ms Time] [2021-11-12 23:03:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-12 23:03:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-11-12 23:03:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 191 states have (on average 2.005235602094241) internal successors, (383), 201 states have internal predecessors, (383), 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) [2021-11-12 23:03:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 383 transitions. [2021-11-12 23:03:50,484 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 383 transitions. Word has length 3 [2021-11-12 23:03:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:50,485 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 383 transitions. [2021-11-12 23:03:50,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-12 23:03:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 383 transitions. [2021-11-12 23:03:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:03:50,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:50,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:03:50,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:03:50,487 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:50,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:50,488 INFO L85 PathProgramCache]: Analyzing trace with hash 345898522, now seen corresponding path program 1 times [2021-11-12 23:03:50,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:50,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48781445] [2021-11-12 23:03:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:50,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:50,580 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:50,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48781445] [2021-11-12 23:03:50,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48781445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:50,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:50,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:03:50,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670672604] [2021-11-12 23:03:50,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:50,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:50,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:50,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:50,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:50,585 INFO L87 Difference]: Start difference. First operand 202 states and 383 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-12 23:03:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:50,672 INFO L93 Difference]: Finished difference Result 321 states and 605 transitions. [2021-11-12 23:03:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:03:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:50,679 INFO L225 Difference]: With dead ends: 321 [2021-11-12 23:03:50,679 INFO L226 Difference]: Without dead ends: 321 [2021-11-12 23:03:50,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:50,683 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.03ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:50,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 21 Invalid, 50 Unknown, 0 Unchecked, 2.03ms Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 67.26ms Time] [2021-11-12 23:03:50,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-11-12 23:03:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 208. [2021-11-12 23:03:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 197 states have (on average 2.0) internal successors, (394), 207 states have internal predecessors, (394), 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) [2021-11-12 23:03:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 394 transitions. [2021-11-12 23:03:50,716 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 394 transitions. Word has length 5 [2021-11-12 23:03:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:50,717 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 394 transitions. [2021-11-12 23:03:50,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-12 23:03:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 394 transitions. [2021-11-12 23:03:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:03:50,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:50,718 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:03:50,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:03:50,719 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:50,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2133155711, now seen corresponding path program 1 times [2021-11-12 23:03:50,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:50,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151265484] [2021-11-12 23:03:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:50,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:50,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:50,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151265484] [2021-11-12 23:03:50,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151265484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:50,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:50,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:03:50,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79768089] [2021-11-12 23:03:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:50,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:50,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:50,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:50,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:50,823 INFO L87 Difference]: Start difference. First operand 208 states and 394 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-12 23:03:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:50,893 INFO L93 Difference]: Finished difference Result 231 states and 440 transitions. [2021-11-12 23:03:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:50,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-12 23:03:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:50,898 INFO L225 Difference]: With dead ends: 231 [2021-11-12 23:03:50,898 INFO L226 Difference]: Without dead ends: 231 [2021-11-12 23:03:50,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:50,903 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.07ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:50,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 22 Invalid, 54 Unknown, 0 Unchecked, 1.07ms Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 61.82ms Time] [2021-11-12 23:03:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-12 23:03:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 217. [2021-11-12 23:03:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.9903381642512077) internal successors, (412), 216 states have internal predecessors, (412), 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) [2021-11-12 23:03:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 412 transitions. [2021-11-12 23:03:50,933 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 412 transitions. Word has length 6 [2021-11-12 23:03:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:50,934 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 412 transitions. [2021-11-12 23:03:50,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-12 23:03:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 412 transitions. [2021-11-12 23:03:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:03:50,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:50,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:50,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:03:50,936 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:50,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1374482070, now seen corresponding path program 1 times [2021-11-12 23:03:50,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:50,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505106391] [2021-11-12 23:03:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:50,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:51,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:51,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505106391] [2021-11-12 23:03:51,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505106391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:51,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:51,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:03:51,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130661193] [2021-11-12 23:03:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:51,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:51,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:51,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:51,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,052 INFO L87 Difference]: Start difference. First operand 217 states and 412 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-12 23:03:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:51,122 INFO L93 Difference]: Finished difference Result 166 states and 293 transitions. [2021-11-12 23:03:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:51,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:03:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:51,124 INFO L225 Difference]: With dead ends: 166 [2021-11-12 23:03:51,124 INFO L226 Difference]: Without dead ends: 166 [2021-11-12 23:03:51,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,131 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.96ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:51,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 50 Unknown, 0 Unchecked, 1.96ms Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 57.39ms Time] [2021-11-12 23:03:51,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-12 23:03:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2021-11-12 23:03:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 153 states have (on average 1.8562091503267975) internal successors, (284), 157 states have internal predecessors, (284), 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) [2021-11-12 23:03:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 284 transitions. [2021-11-12 23:03:51,144 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 284 transitions. Word has length 8 [2021-11-12 23:03:51,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:51,145 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 284 transitions. [2021-11-12 23:03:51,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-12 23:03:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2021-11-12 23:03:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:03:51,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:51,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:51,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:03:51,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:51,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1495085828, now seen corresponding path program 1 times [2021-11-12 23:03:51,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:51,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584582093] [2021-11-12 23:03:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:51,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:51,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:51,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584582093] [2021-11-12 23:03:51,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584582093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:51,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:51,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:03:51,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99074959] [2021-11-12 23:03:51,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:51,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:51,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:51,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:51,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,229 INFO L87 Difference]: Start difference. First operand 158 states and 284 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:03:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:51,301 INFO L93 Difference]: Finished difference Result 162 states and 280 transitions. [2021-11-12 23:03:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:03:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:51,303 INFO L225 Difference]: With dead ends: 162 [2021-11-12 23:03:51,303 INFO L226 Difference]: Without dead ends: 146 [2021-11-12 23:03:51,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,305 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.85ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:51,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 20 Invalid, 56 Unknown, 0 Unchecked, 2.85ms Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 56.36ms Time] [2021-11-12 23:03:51,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-12 23:03:51,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 138. [2021-11-12 23:03:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 133 states have (on average 1.7593984962406015) internal successors, (234), 137 states have internal predecessors, (234), 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) [2021-11-12 23:03:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 234 transitions. [2021-11-12 23:03:51,312 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 234 transitions. Word has length 10 [2021-11-12 23:03:51,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:51,312 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 234 transitions. [2021-11-12 23:03:51,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:03:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 234 transitions. [2021-11-12 23:03:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:03:51,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:51,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:51,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:03:51,315 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:51,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:51,317 INFO L85 PathProgramCache]: Analyzing trace with hash -287283239, now seen corresponding path program 1 times [2021-11-12 23:03:51,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:51,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355751810] [2021-11-12 23:03:51,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:51,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:51,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:51,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355751810] [2021-11-12 23:03:51,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355751810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:51,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:51,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:03:51,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385445078] [2021-11-12 23:03:51,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:51,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:51,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:51,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,387 INFO L87 Difference]: Start difference. First operand 138 states and 234 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:03:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:51,453 INFO L93 Difference]: Finished difference Result 131 states and 217 transitions. [2021-11-12 23:03:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:51,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:03:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:51,455 INFO L225 Difference]: With dead ends: 131 [2021-11-12 23:03:51,455 INFO L226 Difference]: Without dead ends: 125 [2021-11-12 23:03:51,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,459 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.48ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:51,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 49 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 56.48ms Time] [2021-11-12 23:03:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-12 23:03:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-12 23:03:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 121 states have (on average 1.6942148760330578) internal successors, (205), 124 states have internal predecessors, (205), 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) [2021-11-12 23:03:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 205 transitions. [2021-11-12 23:03:51,466 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 205 transitions. Word has length 10 [2021-11-12 23:03:51,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:51,467 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 205 transitions. [2021-11-12 23:03:51,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:03:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2021-11-12 23:03:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:03:51,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:51,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:51,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:03:51,471 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:51,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:51,471 INFO L85 PathProgramCache]: Analyzing trace with hash -328472369, now seen corresponding path program 1 times [2021-11-12 23:03:51,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:51,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087911164] [2021-11-12 23:03:51,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:51,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:03:51,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:03:51,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087911164] [2021-11-12 23:03:51,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087911164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:51,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:51,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:03:51,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484949705] [2021-11-12 23:03:51,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:51,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:51,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:03:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,530 INFO L87 Difference]: Start difference. First operand 125 states and 205 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-12 23:03:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:51,583 INFO L93 Difference]: Finished difference Result 118 states and 188 transitions. [2021-11-12 23:03:51,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:03:51,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-12 23:03:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:51,585 INFO L225 Difference]: With dead ends: 118 [2021-11-12 23:03:51,585 INFO L226 Difference]: Without dead ends: 100 [2021-11-12 23:03:51,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:51,591 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:51,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 49 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 48.76ms Time] [2021-11-12 23:03:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-12 23:03:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2021-11-12 23:03:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 97 states have (on average 1.5876288659793814) internal successors, (154), 99 states have internal predecessors, (154), 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) [2021-11-12 23:03:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2021-11-12 23:03:51,597 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 11 [2021-11-12 23:03:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:51,597 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2021-11-12 23:03:51,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-12 23:03:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2021-11-12 23:03:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:03:51,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:51,604 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:51,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:03:51,605 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-11-12 23:03:51,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash -816197832, now seen corresponding path program 1 times [2021-11-12 23:03:51,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:51,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166949311] [2021-11-12 23:03:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:51,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:51,663 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:03:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:51,738 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:03:51,738 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:03:51,740 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2021-11-12 23:03:51,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2021-11-12 23:03:51,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (10 of 13 remaining) [2021-11-12 23:03:51,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2021-11-12 23:03:51,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2021-11-12 23:03:51,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2021-11-12 23:03:51,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2021-11-12 23:03:51,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2021-11-12 23:03:51,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2021-11-12 23:03:51,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2021-11-12 23:03:51,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2021-11-12 23:03:51,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2021-11-12 23:03:51,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2021-11-12 23:03:51,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:03:51,749 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:51,756 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:03:51,756 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:03:51,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:03:51 BasicIcfg [2021-11-12 23:03:51,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:03:51,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:03:51,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:03:51,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:03:51,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:44" (3/4) ... [2021-11-12 23:03:51,835 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 23:03:51,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:03:51,836 INFO L158 Benchmark]: Toolchain (without parser) took 8764.21ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 63.4MB in the beginning and 50.1MB in the end (delta: 13.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,836 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:51,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.05ms. Allocated memory is still 107.0MB. Free memory was 63.2MB in the beginning and 64.7MB in the end (delta: -1.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.79ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,837 INFO L158 Benchmark]: Boogie Preprocessor took 55.80ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,838 INFO L158 Benchmark]: RCFGBuilder took 537.29ms. Allocated memory is still 107.0MB. Free memory was 61.1MB in the beginning and 48.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,838 INFO L158 Benchmark]: TraceAbstraction took 6995.08ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 48.3MB in the beginning and 51.2MB in the end (delta: -2.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-11-12 23:03:51,839 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 144.7MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:51,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.05ms. Allocated memory is still 107.0MB. Free memory was 63.2MB in the beginning and 64.7MB in the end (delta: -1.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.79ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.80ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.29ms. Allocated memory is still 107.0MB. Free memory was 61.1MB in the beginning and 48.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6995.08ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 48.3MB in the beginning and 51.2MB in the end (delta: -2.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 144.7MB. Free memory is still 50.1MB. 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: 4.7s, 103 PlacesBefore, 36 PlacesAfterwards, 100 TransitionsBefore, 33 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 8 FixpointIterations, 26 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 86 TotalNumberOfCompositions, 8375 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4137, positive: 3708, positive conditional: 0, positive unconditional: 3708, negative: 429, negative conditional: 0, negative unconditional: 429, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1658, positive: 1574, positive conditional: 0, positive unconditional: 1574, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1658, positive: 1506, positive conditional: 0, positive unconditional: 1506, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4137, positive: 2134, positive conditional: 0, positive unconditional: 2134, negative: 345, negative conditional: 0, negative unconditional: 345, unknown: 1658, unknown conditional: 0, unknown unconditional: 1658] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 944]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 void (*f)() = good; [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L938] 0 pthread_t id; [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={5:0}, global=0, gm={6:0}, id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] 0 f = bad [L930] 1 void (*g)(); [L932] 1 g = f VAL [={-1:2}, ={-1:2}, arg={0:0}, arg={0:0}, fm={5:0}, global=0, gm={6:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [={-1:2}, fm={5:0}, global=1, global++=0, global++=26, gm={6:0}] [L944] 0 printf("global: %d\n", global) VAL [={-1:2}, fm={5:0}, global=1, gm={6:0}, id={3:0}] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 148 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 387.81ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 303.19ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 317 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 94 mSDtfsCounter, 317 mSolverCounterSat, 10.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 143 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-12 23:03:51,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec33290c-89b8-432d-8613-f86c269aff83/bin/utaipan-vmNK8stdcF/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