./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8 --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 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:50,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:50,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:50,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:50,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:50,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:50,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:50,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:50,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:50,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:50,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:50,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:50,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:50,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:50,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:50,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:50,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:50,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:50,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:50,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:50,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:50,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:50,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:50,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:50,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:50,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:50,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:50,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:50,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:50,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:50,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:50,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:50,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:50,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:50,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:50,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:50,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:50,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:50,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:50,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:50,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:50,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-07 02:19:50,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:50,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:50,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:50,868 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:50,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:50,868 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:50,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:50,869 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:50,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:50,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:50,869 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:50,869 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:50,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:50,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:50,870 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:50,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:50,871 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:50,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:19:50,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:50,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:50,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:50,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:50,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:50,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:50,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:50,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:50,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:50,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:50,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:50,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:50,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:50,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:50,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:50,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:50,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:50,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:50,876 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_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2021-11-07 02:19:51,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:51,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:51,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:51,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:51,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:51,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-07 02:19:51,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/data/c4ca93d0a/3ed9f544c88b4ccc998ede4092872c78/FLAG1a5336ca0 [2021-11-07 02:19:51,907 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:51,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-07 02:19:51,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/data/c4ca93d0a/3ed9f544c88b4ccc998ede4092872c78/FLAG1a5336ca0 [2021-11-07 02:19:52,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/data/c4ca93d0a/3ed9f544c88b4ccc998ede4092872c78 [2021-11-07 02:19:52,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:52,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:52,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:52,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:52,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:52,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f525806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52, skipping insertion in model container [2021-11-07 02:19:52,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:52,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:52,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:52,608 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:52,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:52,723 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:52,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52 WrapperNode [2021-11-07 02:19:52,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:52,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:52,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:52,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:52,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:52,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:52,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:52,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:52,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:52,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:52,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:52,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:52,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (1/1) ... [2021-11-07 02:19:52,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:52,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:52,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:52,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:19:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:19:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 02:19:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 02:19:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 02:19:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:19:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:52,938 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 02:19:53,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:53,404 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 02:19:53,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:53 BoogieIcfgContainer [2021-11-07 02:19:53,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:53,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:53,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:53,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:53,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:52" (1/3) ... [2021-11-07 02:19:53,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c67175a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:53, skipping insertion in model container [2021-11-07 02:19:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:52" (2/3) ... [2021-11-07 02:19:53,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c67175a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:53, skipping insertion in model container [2021-11-07 02:19:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:53" (3/3) ... [2021-11-07 02:19:53,415 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2021-11-07 02:19:53,420 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 02:19:53,420 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:53,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-07 02:19:53,421 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,457 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,457 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,457 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,462 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,462 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,462 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,463 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,464 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,464 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,464 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,465 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,465 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,465 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,498 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 02:19:53,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:53,554 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 [2021-11-07 02:19:53,554 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-07 02:19:53,570 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 02:19:53,582 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 93 transitions, 194 flow [2021-11-07 02:19:53,585 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 93 transitions, 194 flow [2021-11-07 02:19:53,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 93 transitions, 194 flow [2021-11-07 02:19:53,656 INFO L129 PetriNetUnfolder]: 0/92 cut-off events. [2021-11-07 02:19:53,656 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-07 02:19:53,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 92 events. 0/92 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-07 02:19:53,666 INFO L116 LiptonReduction]: Number of co-enabled transitions 1782 [2021-11-07 02:19:57,832 INFO L131 LiptonReduction]: Checked pairs total: 11580 [2021-11-07 02:19:57,832 INFO L133 LiptonReduction]: Total number of compositions: 49 [2021-11-07 02:19:57,841 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-07 02:19:57,877 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:19:57,887 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:57,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:57,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-07 02:19:57,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash 619369978, now seen corresponding path program 1 times [2021-11-07 02:19:57,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:57,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032584342] [2021-11-07 02:19:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:57,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:58,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:58,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032584342] [2021-11-07 02:19:58,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032584342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:58,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:58,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:19:58,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761069319] [2021-11-07 02:19:58,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:58,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:58,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:58,277 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:58,682 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2021-11-07 02:19:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:58,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:19:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:58,700 INFO L225 Difference]: With dead ends: 482 [2021-11-07 02:19:58,701 INFO L226 Difference]: Without dead ends: 482 [2021-11-07 02:19:58,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:58,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-07 02:19:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2021-11-07 02:19:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2021-11-07 02:19:58,780 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2021-11-07 02:19:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:58,780 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2021-11-07 02:19:58,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2021-11-07 02:19:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:19:58,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:58,782 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:58,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:19:58,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-07 02:19:58,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash -713357177, now seen corresponding path program 1 times [2021-11-07 02:19:58,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:58,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416364956] [2021-11-07 02:19:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:58,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:58,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:58,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416364956] [2021-11-07 02:19:58,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416364956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:58,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:58,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:19:58,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024686653] [2021-11-07 02:19:58,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:58,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:58,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:58,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:58,959 INFO L87 Difference]: Start difference. First operand 454 states and 861 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:59,175 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2021-11-07 02:19:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:59,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:19:59,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:59,180 INFO L225 Difference]: With dead ends: 487 [2021-11-07 02:19:59,180 INFO L226 Difference]: Without dead ends: 487 [2021-11-07 02:19:59,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:59,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-07 02:19:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2021-11-07 02:19:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-07 02:19:59,231 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-07 02:19:59,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:59,231 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-07 02:19:59,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-07 02:19:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:19:59,234 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:59,234 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:59,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 02:19:59,234 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-07 02:19:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1346219842, now seen corresponding path program 1 times [2021-11-07 02:19:59,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:59,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025142922] [2021-11-07 02:19:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:59,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:59,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:59,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025142922] [2021-11-07 02:19:59,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025142922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:59,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:59,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:19:59,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009811008] [2021-11-07 02:19:59,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:59,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:59,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:59,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:59,363 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:59,676 INFO L93 Difference]: Finished difference Result 576 states and 1095 transitions. [2021-11-07 02:19:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:59,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 02:19:59,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:59,683 INFO L225 Difference]: With dead ends: 576 [2021-11-07 02:19:59,683 INFO L226 Difference]: Without dead ends: 563 [2021-11-07 02:19:59,683 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-11-07 02:19:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2021-11-07 02:19:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2021-11-07 02:19:59,707 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2021-11-07 02:19:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:59,707 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2021-11-07 02:19:59,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2021-11-07 02:19:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:19:59,709 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:59,709 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:59,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 02:19:59,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-07 02:19:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:59,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1995981487, now seen corresponding path program 1 times [2021-11-07 02:19:59,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:59,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396908615] [2021-11-07 02:19:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:59,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:59,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:59,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396908615] [2021-11-07 02:19:59,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396908615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:59,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:59,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:19:59,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232864852] [2021-11-07 02:19:59,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:59,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:59,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:59,824 INFO L87 Difference]: Start difference. First operand 540 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:00,078 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2021-11-07 02:20:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:20:00,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 02:20:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:00,085 INFO L225 Difference]: With dead ends: 611 [2021-11-07 02:20:00,085 INFO L226 Difference]: Without dead ends: 611 [2021-11-07 02:20:00,086 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:20:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-11-07 02:20:00,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2021-11-07 02:20:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-07 02:20:00,116 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-07 02:20:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:00,116 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-07 02:20:00,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-07 02:20:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:20:00,119 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:00,119 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:00,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 02:20:00,120 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-07 02:20:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:00,121 INFO L85 PathProgramCache]: Analyzing trace with hash 913666575, now seen corresponding path program 1 times [2021-11-07 02:20:00,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:00,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687532407] [2021-11-07 02:20:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:00,160 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:20:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:00,235 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 02:20:00,239 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:20:00,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 02:20:00,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:20:00,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 02:20:00,249 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 02:20:00,256 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 02:20:00,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:20:00,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:20:00 BasicIcfg [2021-11-07 02:20:00,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:20:00,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:20:00,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:20:00,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:20:00,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:53" (3/4) ... [2021-11-07 02:20:00,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:20:00,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:20:00,343 INFO L168 Benchmark]: Toolchain (without parser) took 8229.79 ms. Allocated memory was 90.2 MB in the beginning and 148.9 MB in the end (delta: 58.7 MB). Free memory was 53.0 MB in the beginning and 96.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:00,344 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 59.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:00,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.44 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 52.8 MB in the beginning and 78.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:00,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 75.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:00,347 INFO L168 Benchmark]: Boogie Preprocessor took 41.62 ms. Allocated memory is still 119.5 MB. Free memory was 75.7 MB in the beginning and 74.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:00,348 INFO L168 Benchmark]: RCFGBuilder took 575.87 ms. Allocated memory is still 119.5 MB. Free memory was 74.3 MB in the beginning and 59.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:00,349 INFO L168 Benchmark]: TraceAbstraction took 6928.53 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 59.7 MB in the beginning and 96.1 MB in the end (delta: -36.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:00,349 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 148.9 MB. Free memory is still 96.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:00,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 59.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 610.44 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 52.8 MB in the beginning and 78.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 75.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.62 ms. Allocated memory is still 119.5 MB. Free memory was 75.7 MB in the beginning and 74.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 575.87 ms. Allocated memory is still 119.5 MB. Free memory was 74.3 MB in the beginning and 59.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6928.53 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 59.7 MB in the beginning and 96.1 MB in the end (delta: -36.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 148.9 MB. Free memory is still 96.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 97 PlacesBefore, 48 PlacesAfterwards, 93 TransitionsBefore, 44 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 49 TotalNumberOfCompositions, 11580 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3335, positive: 2820, positive conditional: 0, positive unconditional: 2820, negative: 515, negative conditional: 0, negative unconditional: 515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1071, positive: 992, positive conditional: 0, positive unconditional: 992, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1071, positive: 899, positive conditional: 0, positive unconditional: 899, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 541, positive: 297, positive conditional: 0, positive unconditional: 297, negative: 244, negative conditional: 0, negative unconditional: 244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3335, positive: 1828, positive conditional: 0, positive unconditional: 1828, negative: 436, negative conditional: 0, negative unconditional: 436, unknown: 1071, unknown conditional: 0, unknown unconditional: 1071] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 302, Positive conditional cache size: 0, Positive unconditional cache size: 302, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63 - 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: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] EXPR 1 \read(*v) VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] EXPR 1 *v+1 VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] EXPR 1 *v+1 VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] 1 *v=*v+1 VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] EXPR 0 \read(*v) VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] 0 *v+1 VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] [L923] 1 *v=*v+1 VAL [mutex1={9:0}, mutex2={5:0}, myglobal1={6:0}, myglobal2=0] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] and C: *v=*v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 123 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 215 SDtfs, 161 SDslu, 123 SDs, 0 SdLazy, 824 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 85 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 02:20:00,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db5e4bc8-0a46-49e7-8932-7955292c187e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE