./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/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_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:30:45,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:30:45,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:30:45,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:30:45,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:30:45,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:30:45,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:30:45,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:30:45,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:30:45,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:30:45,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:30:45,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:30:45,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:30:45,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:30:45,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:30:45,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:30:45,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:30:45,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:30:45,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:30:45,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:30:45,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:30:45,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:30:45,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:30:45,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:30:45,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:30:45,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:30:45,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:30:45,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:30:45,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:30:45,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:30:45,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:30:45,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:30:45,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:30:45,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:30:45,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:30:45,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:30:45,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:30:45,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:30:45,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:30:45,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:30:45,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:30:45,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-13 02:30:45,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:30:45,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:30:45,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:30:45,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:30:45,823 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:30:45,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:30:45,823 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:30:45,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:30:45,830 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:30:45,830 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:30:45,831 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:30:45,832 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:30:45,832 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:30:45,832 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:30:45,832 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:30:45,833 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:30:45,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:30:45,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:30:45,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:30:45,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:30:45,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:30:45,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:30:45,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:30:45,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:30:45,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:30:45,835 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 02:30:45,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:30:45,836 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:30:45,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:30:45,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:30:45,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:30:45,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:30:45,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:30:45,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:30:45,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:30:45,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:30:45,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:30:45,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:30:45,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:30:45,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:30:45,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:30:45,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:30:45,841 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_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2021-11-13 02:30:46,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:30:46,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:30:46,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:30:46,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:30:46,134 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:30:46,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-13 02:30:46,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/data/9f6a2a650/5fb81aa63e9a4ab3a234c1ef82de95a9/FLAGcedb554da [2021-11-13 02:30:46,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:30:46,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-13 02:30:46,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/data/9f6a2a650/5fb81aa63e9a4ab3a234c1ef82de95a9/FLAGcedb554da [2021-11-13 02:30:47,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/data/9f6a2a650/5fb81aa63e9a4ab3a234c1ef82de95a9 [2021-11-13 02:30:47,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:30:47,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:30:47,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:47,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:30:47,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:30:47,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd46d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47, skipping insertion in model container [2021-11-13 02:30:47,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:30:47,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:30:47,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:47,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:30:47,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:47,858 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:30:47,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47 WrapperNode [2021-11-13 02:30:47,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:47,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:30:47,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:30:47,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:30:47,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:30:47,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:30:47,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:30:47,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:30:47,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:47,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:48,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:48,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:48,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:30:48,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:30:48,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:30:48,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:30:48,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (1/1) ... [2021-11-13 02:30:48,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:30:48,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:30:48,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:30:48,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:30:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:30:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:30:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:30:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:30:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 02:30:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 02:30:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 02:30:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:30:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:30:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:30:48,111 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 02:30:48,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:30:48,644 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:30:48,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:48 BoogieIcfgContainer [2021-11-13 02:30:48,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:30:48,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:30:48,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:30:48,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:30:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:30:47" (1/3) ... [2021-11-13 02:30:48,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cecbe98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:48, skipping insertion in model container [2021-11-13 02:30:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:47" (2/3) ... [2021-11-13 02:30:48,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cecbe98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:48, skipping insertion in model container [2021-11-13 02:30:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:48" (3/3) ... [2021-11-13 02:30:48,657 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2021-11-13 02:30:48,662 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 02:30:48,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:30:48,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-13 02:30:48,663 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 02:30:48,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:30:48,766 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 02:30:48,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:30:48,836 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 [2021-11-13 02:30:48,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-13 02:30:48,862 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 02:30:48,876 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 101 transitions, 210 flow [2021-11-13 02:30:48,880 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 101 transitions, 210 flow [2021-11-13 02:30:48,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 101 transitions, 210 flow [2021-11-13 02:30:48,950 INFO L129 PetriNetUnfolder]: 0/100 cut-off events. [2021-11-13 02:30:48,950 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 02:30:48,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 0/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-13 02:30:48,958 INFO L116 LiptonReduction]: Number of co-enabled transitions 2030 [2021-11-13 02:30:52,493 INFO L131 LiptonReduction]: Checked pairs total: 11582 [2021-11-13 02:30:52,494 INFO L133 LiptonReduction]: Total number of compositions: 57 [2021-11-13 02:30:52,502 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-13 02:30:52,532 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) [2021-11-13 02:30:52,535 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) [2021-11-13 02:30:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:30:52,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:52,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:52,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-13 02:30:52,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash -356298692, now seen corresponding path program 1 times [2021-11-13 02:30:52,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:30:52,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847087395] [2021-11-13 02:30:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:52,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:30:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:52,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:30:52,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847087395] [2021-11-13 02:30:52,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847087395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:52,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:52,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:30:52,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345251528] [2021-11-13 02:30:52,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:52,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:30:52,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:30:52,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:30:52,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:30:52,928 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) [2021-11-13 02:30:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:53,289 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2021-11-13 02:30:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:30:53,293 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 [2021-11-13 02:30:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:53,315 INFO L225 Difference]: With dead ends: 440 [2021-11-13 02:30:53,318 INFO L226 Difference]: Without dead ends: 440 [2021-11-13 02:30:53,319 INFO L932 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 [2021-11-13 02:30:53,327 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 36 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 223.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.13ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.73ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:53,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 37 Invalid, 251 Unknown, 0 Unchecked, 5.13ms Time], IncrementalHoareTripleChecker [22 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 298.73ms Time] [2021-11-13 02:30:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-13 02:30:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-11-13 02:30:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.9350961538461537) internal successors, (805), 425 states have internal predecessors, (805), 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) [2021-11-13 02:30:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2021-11-13 02:30:53,444 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2021-11-13 02:30:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:53,445 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2021-11-13 02:30:53,445 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) [2021-11-13 02:30:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2021-11-13 02:30:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:30:53,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:53,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:53,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:30:53,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-13 02:30:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash -903283845, now seen corresponding path program 1 times [2021-11-13 02:30:53,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:30:53,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43727793] [2021-11-13 02:30:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:53,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:30:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:53,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:30:53,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43727793] [2021-11-13 02:30:53,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43727793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:53,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:53,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:30:53,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261856383] [2021-11-13 02:30:53,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:53,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:30:53,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:30:53,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:30:53,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:30:53,637 INFO L87 Difference]: Start difference. First operand 426 states and 805 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) [2021-11-13 02:30:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:53,976 INFO L93 Difference]: Finished difference Result 501 states and 949 transitions. [2021-11-13 02:30:53,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:30:53,977 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 [2021-11-13 02:30:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:53,981 INFO L225 Difference]: With dead ends: 501 [2021-11-13 02:30:53,981 INFO L226 Difference]: Without dead ends: 501 [2021-11-13 02:30:53,982 INFO L932 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 [2021-11-13 02:30:53,983 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 46 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 260.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.15ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 313.46ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:53,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 34 Invalid, 301 Unknown, 0 Unchecked, 4.15ms Time], IncrementalHoareTripleChecker [39 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 313.46ms Time] [2021-11-13 02:30:53,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-11-13 02:30:54,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 473. [2021-11-13 02:30:54,007 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) [2021-11-13 02:30:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-13 02:30:54,011 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-13 02:30:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:54,011 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-13 02:30:54,011 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) [2021-11-13 02:30:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-13 02:30:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 02:30:54,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:54,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:54,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:30:54,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-13 02:30:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash -959944855, now seen corresponding path program 1 times [2021-11-13 02:30:54,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:30:54,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194909677] [2021-11-13 02:30:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:54,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:30:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:54,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:30:54,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194909677] [2021-11-13 02:30:54,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194909677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:54,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:54,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:30:54,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199394598] [2021-11-13 02:30:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:54,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:30:54,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:30:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:30:54,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:30:54,132 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) [2021-11-13 02:30:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:54,393 INFO L93 Difference]: Finished difference Result 542 states and 1028 transitions. [2021-11-13 02:30:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:30:54,394 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 [2021-11-13 02:30:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:54,399 INFO L225 Difference]: With dead ends: 542 [2021-11-13 02:30:54,399 INFO L226 Difference]: Without dead ends: 542 [2021-11-13 02:30:54,400 INFO L932 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 [2021-11-13 02:30:54,401 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.99ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 242.20ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:54,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 39 Invalid, 250 Unknown, 0 Unchecked, 2.99ms Time], IncrementalHoareTripleChecker [6 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 242.20ms Time] [2021-11-13 02:30:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-11-13 02:30:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2021-11-13 02:30:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 515 states have (on average 1.9320388349514563) internal successors, (995), 524 states have internal predecessors, (995), 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) [2021-11-13 02:30:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 995 transitions. [2021-11-13 02:30:54,424 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 995 transitions. Word has length 15 [2021-11-13 02:30:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:54,425 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 995 transitions. [2021-11-13 02:30:54,425 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) [2021-11-13 02:30:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 995 transitions. [2021-11-13 02:30:54,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 02:30:54,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:54,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:54,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 02:30:54,427 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-13 02:30:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1399171943, now seen corresponding path program 1 times [2021-11-13 02:30:54,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:30:54,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970295028] [2021-11-13 02:30:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:54,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:30:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:54,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:30:54,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970295028] [2021-11-13 02:30:54,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970295028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:54,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:54,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:30:54,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879205511] [2021-11-13 02:30:54,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:54,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:30:54,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:30:54,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:30:54,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:30:54,548 INFO L87 Difference]: Start difference. First operand 525 states and 995 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) [2021-11-13 02:30:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:54,852 INFO L93 Difference]: Finished difference Result 630 states and 1199 transitions. [2021-11-13 02:30:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:30:54,853 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 [2021-11-13 02:30:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:54,857 INFO L225 Difference]: With dead ends: 630 [2021-11-13 02:30:54,857 INFO L226 Difference]: Without dead ends: 617 [2021-11-13 02:30:54,858 INFO L932 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 [2021-11-13 02:30:54,859 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 47 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 238.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.33ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 284.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:54,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 35 Invalid, 313 Unknown, 0 Unchecked, 3.33ms Time], IncrementalHoareTripleChecker [7 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 284.54ms Time] [2021-11-13 02:30:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2021-11-13 02:30:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 591. [2021-11-13 02:30:54,878 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) [2021-11-13 02:30:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-13 02:30:54,882 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-13 02:30:54,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:54,882 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-13 02:30:54,882 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) [2021-11-13 02:30:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-13 02:30:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 02:30:54,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:54,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:54,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 02:30:54,885 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-13 02:30:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1821907655, now seen corresponding path program 1 times [2021-11-13 02:30:54,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:30:54,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595418889] [2021-11-13 02:30:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:54,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:30:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:30:54,922 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 02:30:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:30:54,977 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 02:30:54,978 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 02:30:54,979 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-13 02:30:54,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-13 02:30:54,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-13 02:30:54,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2021-11-13 02:30:54,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2021-11-13 02:30:54,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-13 02:30:54,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-13 02:30:54,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-13 02:30:54,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 02:30:54,985 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 02:30:54,990 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 02:30:54,990 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:30:55,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:30:55 BasicIcfg [2021-11-13 02:30:55,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:30:55,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:30:55,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:30:55,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:30:55,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:48" (3/4) ... [2021-11-13 02:30:55,037 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 02:30:55,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:30:55,038 INFO L158 Benchmark]: Toolchain (without parser) took 7912.87ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 51.1MB in the beginning and 71.5MB in the end (delta: -20.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,039 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:30:55,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.30ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 47.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.59ms. Allocated memory is still 90.2MB. Free memory was 47.6MB in the beginning and 44.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,040 INFO L158 Benchmark]: Boogie Preprocessor took 70.10ms. Allocated memory is still 90.2MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,040 INFO L158 Benchmark]: RCFGBuilder took 624.28ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 59.9MB in the end (delta: -16.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,041 INFO L158 Benchmark]: TraceAbstraction took 6384.33ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 59.5MB in the beginning and 71.5MB in the end (delta: -12.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-13 02:30:55,041 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 144.7MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:30:55,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.30ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 47.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.59ms. Allocated memory is still 90.2MB. Free memory was 47.6MB in the beginning and 44.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.10ms. Allocated memory is still 90.2MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.28ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 59.9MB in the end (delta: -16.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6384.33ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 59.5MB in the beginning and 71.5MB in the end (delta: -12.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 144.7MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 105 PlacesBefore, 48 PlacesAfterwards, 101 TransitionsBefore, 44 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 57 TotalNumberOfCompositions, 11582 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3928, positive: 3419, positive conditional: 0, positive unconditional: 3419, negative: 509, negative conditional: 0, negative unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1289, positive: 1206, positive conditional: 0, positive unconditional: 1206, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1289, positive: 1113, positive conditional: 0, positive unconditional: 1113, negative: 176, negative conditional: 0, negative unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 176, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 522, positive: 243, positive conditional: 0, positive unconditional: 243, negative: 279, negative conditional: 0, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3928, positive: 2213, positive conditional: 0, positive unconditional: 2213, negative: 426, negative conditional: 0, negative unconditional: 426, unknown: 1289, unknown conditional: 0, unknown unconditional: 1289] , Statistics on independence cache: Total cache size (in pairs): 375, Positive cache size: 309, Positive conditional cache size: 0, Positive unconditional cache size: 309, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66 - 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 [id={5:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, m={9:0}, m={9:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, m={9:0}, m={9:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, m={9:0}, m={9:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}] [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 1 \read(*v) VAL [*v=*v+1=25, \read(*v)=1, \read(*v)=0, m={9:0}, m={9:0}, m={6:0}, m={6:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}, v={7:0}, v={7:0}] [L923] 1 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=1, m={6:0}, m={6:0}, m={9:0}, m={9:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}, v={7:0}, v={7:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=1, \read(*v)=0, m={6:0}, m={6:0}, m={9:0}, m={9:0}, mutex1={6:0}, mutex2={9:0}, myglobal1={7:0}, myglobal2=0, v={7:0}, v={7:0}, v={7:0}, v={7:0}] 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: 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. - 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, 133 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 1138.93ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 916.50ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1041 IncrementalHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 119 mSDtfsCounter, 1041 mSolverCounterSat, 15.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 85 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s 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 [2021-11-13 02:30:55,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bf8cb6-3fdd-48fc-ba3a-06f012d22379/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE