./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_37-indirect_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_37-indirect_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7 --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 91e4ed4bfe1f39ec65b13c41c6a7b6461aa954e8b5b654b0aa1c967848462a4b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:37:11,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:37:11,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:37:11,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:37:11,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:37:11,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:37:11,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:37:11,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:37:11,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:37:11,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:37:11,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:37:11,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:37:11,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:37:11,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:37:11,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:37:11,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:37:11,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:37:11,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:37:11,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:37:11,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:37:11,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:37:11,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:37:11,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:37:11,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:37:11,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:37:11,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:37:11,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:37:11,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:37:11,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:37:11,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:37:11,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:37:11,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:37:11,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:37:11,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:37:11,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:37:11,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:37:11,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:37:11,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:37:11,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:37:11,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:37:11,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:37:11,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 19:37:11,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:37:11,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:37:11,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:37:11,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:37:11,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:37:11,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:37:11,742 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:37:11,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:37:11,742 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:37:11,743 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:37:11,743 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:37:11,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:37:11,744 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:37:11,744 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:37:11,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:37:11,744 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:37:11,745 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:37:11,745 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:37:11,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:37:11,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:37:11,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:37:11,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:37:11,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:37:11,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:37:11,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:37:11,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:37:11,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:37:11,748 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 19:37:11,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:37:11,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:37:11,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:37:11,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:37:11,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:37:11,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:37:11,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:37:11,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:37:11,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:37:11,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:37:11,752 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:37:11,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:37:11,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:37:11,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:37:11,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:37:11,753 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_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e4ed4bfe1f39ec65b13c41c6a7b6461aa954e8b5b654b0aa1c967848462a4b [2021-11-25 19:37:12,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:37:12,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:37:12,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:37:12,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:37:12,115 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:37:12,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/04-mutex_37-indirect_rc.i [2021-11-25 19:37:12,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/data/2cec07f67/e0834706b9284697850f003a28d0be6e/FLAGd87fc51b9 [2021-11-25 19:37:12,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:37:12,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/sv-benchmarks/c/goblint-regression/04-mutex_37-indirect_rc.i [2021-11-25 19:37:12,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/data/2cec07f67/e0834706b9284697850f003a28d0be6e/FLAGd87fc51b9 [2021-11-25 19:37:13,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/data/2cec07f67/e0834706b9284697850f003a28d0be6e [2021-11-25 19:37:13,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:37:13,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:37:13,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:37:13,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:37:13,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:37:13,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:13,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3e39e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13, skipping insertion in model container [2021-11-25 19:37:13,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:13,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:37:13,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:37:13,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:37:13,802 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:37:13,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:37:13,954 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:37:13,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13 WrapperNode [2021-11-25 19:37:13,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:37:13,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:37:13,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:37:13,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:37:13,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,048 INFO L137 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-25 19:37:14,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:37:14,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:37:14,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:37:14,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:37:14,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:37:14,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:37:14,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:37:14,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:37:14,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (1/1) ... [2021-11-25 19:37:14,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:37:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:37:14,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:37:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:37:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:37:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:37:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 19:37:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:37:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:37:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 19:37:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 19:37:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:37:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:37:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:37:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:37:14,242 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 19:37:14,392 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:37:14,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:37:14,797 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:37:14,807 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:37:14,814 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:37:14,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:14 BoogieIcfgContainer [2021-11-25 19:37:14,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:37:14,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:37:14,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:37:14,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:37:14,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:37:13" (1/3) ... [2021-11-25 19:37:14,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4902f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:37:14, skipping insertion in model container [2021-11-25 19:37:14,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:13" (2/3) ... [2021-11-25 19:37:14,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4902f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:37:14, skipping insertion in model container [2021-11-25 19:37:14,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:14" (3/3) ... [2021-11-25 19:37:14,834 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_37-indirect_rc.i [2021-11-25 19:37:14,841 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 19:37:14,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:37:14,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-25 19:37:14,842 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 19:37:14,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,907 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,908 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:37:14,950 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-25 19:37:15,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:37:15,036 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 [2021-11-25 19:37:15,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-25 19:37:15,055 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 19:37:15,072 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 109 transitions, 226 flow [2021-11-25 19:37:15,076 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 109 transitions, 226 flow [2021-11-25 19:37:15,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 109 transitions, 226 flow [2021-11-25 19:37:15,151 INFO L129 PetriNetUnfolder]: 0/108 cut-off events. [2021-11-25 19:37:15,151 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-25 19:37:15,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 108 events. 0/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-25 19:37:15,158 INFO L116 LiptonReduction]: Number of co-enabled transitions 1736 [2021-11-25 19:37:19,280 INFO L131 LiptonReduction]: Checked pairs total: 11047 [2021-11-25 19:37:19,280 INFO L133 LiptonReduction]: Total number of compositions: 82 [2021-11-25 19:37:19,293 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 98 flow [2021-11-25 19:37:19,348 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 372 states, 350 states have (on average 2.0) internal successors, (700), 371 states have internal predecessors, (700), 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) [2021-11-25 19:37:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 350 states have (on average 2.0) internal successors, (700), 371 states have internal predecessors, (700), 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) [2021-11-25 19:37:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-25 19:37:19,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:19,364 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-25 19:37:19,365 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:19,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash 358, now seen corresponding path program 1 times [2021-11-25 19:37:19,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:19,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454083864] [2021-11-25 19:37:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:37:19,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:19,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454083864] [2021-11-25 19:37:19,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454083864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:19,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:19,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-25 19:37:19,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648059211] [2021-11-25 19:37:19,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:19,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:37:19,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:19,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:37:19,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:37:19,594 INFO L87 Difference]: Start difference. First operand has 372 states, 350 states have (on average 2.0) internal successors, (700), 371 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-25 19:37:19,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:19,675 INFO L93 Difference]: Finished difference Result 331 states and 623 transitions. [2021-11-25 19:37:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:37:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-11-25 19:37:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:19,707 INFO L225 Difference]: With dead ends: 331 [2021-11-25 19:37:19,708 INFO L226 Difference]: Without dead ends: 331 [2021-11-25 19:37:19,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:37:19,716 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:19,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:37:19,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-25 19:37:19,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2021-11-25 19:37:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 320 states have (on average 1.946875) internal successors, (623), 330 states have internal predecessors, (623), 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) [2021-11-25 19:37:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 623 transitions. [2021-11-25 19:37:19,836 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 623 transitions. Word has length 1 [2021-11-25 19:37:19,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:19,837 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 623 transitions. [2021-11-25 19:37:19,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-25 19:37:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 623 transitions. [2021-11-25 19:37:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:37:19,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:19,839 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:37:19,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:37:19,840 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:19,844 INFO L85 PathProgramCache]: Analyzing trace with hash 918786061, now seen corresponding path program 1 times [2021-11-25 19:37:19,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:19,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730881814] [2021-11-25 19:37:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:19,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:37:20,171 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:20,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730881814] [2021-11-25 19:37:20,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730881814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:20,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:20,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:37:20,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825486882] [2021-11-25 19:37:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:20,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:37:20,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:20,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:37:20,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:37:20,176 INFO L87 Difference]: Start difference. First operand 331 states and 623 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:37:20,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:20,529 INFO L93 Difference]: Finished difference Result 358 states and 671 transitions. [2021-11-25 19:37:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:37:20,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:37:20,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:20,532 INFO L225 Difference]: With dead ends: 358 [2021-11-25 19:37:20,533 INFO L226 Difference]: Without dead ends: 358 [2021-11-25 19:37:20,533 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 [2021-11-25 19:37:20,535 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:20,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 23 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:37:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-11-25 19:37:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 346. [2021-11-25 19:37:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 336 states have (on average 1.931547619047619) internal successors, (649), 345 states have internal predecessors, (649), 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) [2021-11-25 19:37:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 649 transitions. [2021-11-25 19:37:20,561 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 649 transitions. Word has length 8 [2021-11-25 19:37:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:20,562 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 649 transitions. [2021-11-25 19:37:20,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:37:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 649 transitions. [2021-11-25 19:37:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:37:20,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:20,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:37:20,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:37:20,564 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:20,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:20,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1274087507, now seen corresponding path program 1 times [2021-11-25 19:37:20,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:20,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777532759] [2021-11-25 19:37:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:20,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:37:20,705 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:20,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777532759] [2021-11-25 19:37:20,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777532759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:20,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:20,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:37:20,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178835958] [2021-11-25 19:37:20,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:20,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:37:20,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:20,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:37:20,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:37:20,708 INFO L87 Difference]: Start difference. First operand 346 states and 649 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:37:21,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:21,109 INFO L93 Difference]: Finished difference Result 416 states and 783 transitions. [2021-11-25 19:37:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:37:21,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:37:21,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:21,113 INFO L225 Difference]: With dead ends: 416 [2021-11-25 19:37:21,113 INFO L226 Difference]: Without dead ends: 416 [2021-11-25 19:37:21,113 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 [2021-11-25 19:37:21,115 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 36 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:21,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 23 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:37:21,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-11-25 19:37:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 390. [2021-11-25 19:37:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 380 states have (on average 1.9289473684210525) internal successors, (733), 389 states have internal predecessors, (733), 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) [2021-11-25 19:37:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 733 transitions. [2021-11-25 19:37:21,135 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 733 transitions. Word has length 8 [2021-11-25 19:37:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:21,135 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 733 transitions. [2021-11-25 19:37:21,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:37:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 733 transitions. [2021-11-25 19:37:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:37:21,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:21,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:37:21,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:37:21,139 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:21,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:21,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1588757539, now seen corresponding path program 1 times [2021-11-25 19:37:21,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:21,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611184403] [2021-11-25 19:37:21,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:37:21,311 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:21,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611184403] [2021-11-25 19:37:21,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611184403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:21,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:21,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:37:21,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185977569] [2021-11-25 19:37:21,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:21,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:37:21,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:21,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:37:21,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:37:21,315 INFO L87 Difference]: Start difference. First operand 390 states and 733 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-25 19:37:21,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:21,685 INFO L93 Difference]: Finished difference Result 455 states and 858 transitions. [2021-11-25 19:37:21,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:37:21,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2021-11-25 19:37:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:21,692 INFO L225 Difference]: With dead ends: 455 [2021-11-25 19:37:21,693 INFO L226 Difference]: Without dead ends: 455 [2021-11-25 19:37:21,693 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 [2021-11-25 19:37:21,698 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:21,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 23 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:37:21,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-11-25 19:37:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 439. [2021-11-25 19:37:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 429 states have (on average 1.9277389277389276) internal successors, (827), 438 states have internal predecessors, (827), 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) [2021-11-25 19:37:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 827 transitions. [2021-11-25 19:37:21,728 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 827 transitions. Word has length 14 [2021-11-25 19:37:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:21,728 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 827 transitions. [2021-11-25 19:37:21,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-25 19:37:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 827 transitions. [2021-11-25 19:37:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:37:21,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:21,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:37:21,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:37:21,737 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:21,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1009608142, now seen corresponding path program 1 times [2021-11-25 19:37:21,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:21,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991138339] [2021-11-25 19:37:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:21,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:37:21,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:21,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991138339] [2021-11-25 19:37:21,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991138339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:21,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:21,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:37:21,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460112109] [2021-11-25 19:37:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:21,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:37:21,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:21,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:37:21,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:37:21,949 INFO L87 Difference]: Start difference. First operand 439 states and 827 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-25 19:37:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:22,227 INFO L93 Difference]: Finished difference Result 515 states and 974 transitions. [2021-11-25 19:37:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:37:22,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2021-11-25 19:37:22,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:22,233 INFO L225 Difference]: With dead ends: 515 [2021-11-25 19:37:22,233 INFO L226 Difference]: Without dead ends: 503 [2021-11-25 19:37:22,234 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 [2021-11-25 19:37:22,235 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 36 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:22,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 23 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:37:22,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2021-11-25 19:37:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2021-11-25 19:37:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 493 states have (on average 1.9269776876267748) internal successors, (950), 502 states have internal predecessors, (950), 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) [2021-11-25 19:37:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 950 transitions. [2021-11-25 19:37:22,260 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 950 transitions. Word has length 14 [2021-11-25 19:37:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:22,261 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 950 transitions. [2021-11-25 19:37:22,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-25 19:37:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 950 transitions. [2021-11-25 19:37:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 19:37:22,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:22,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:37:22,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:37:22,264 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2021-11-25 19:37:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2082811873, now seen corresponding path program 1 times [2021-11-25 19:37:22,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:22,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187594699] [2021-11-25 19:37:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:37:22,299 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:37:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:37:22,347 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:37:22,348 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:37:22,349 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2021-11-25 19:37:22,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2021-11-25 19:37:22,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2021-11-25 19:37:22,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2021-11-25 19:37:22,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2021-11-25 19:37:22,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2021-11-25 19:37:22,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2021-11-25 19:37:22,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 14 remaining) [2021-11-25 19:37:22,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2021-11-25 19:37:22,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2021-11-25 19:37:22,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2021-11-25 19:37:22,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2021-11-25 19:37:22,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2021-11-25 19:37:22,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2021-11-25 19:37:22,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:37:22,358 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-25 19:37:22,365 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 19:37:22,365 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:37:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:37:22 BasicIcfg [2021-11-25 19:37:22,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:37:22,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:37:22,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:37:22,421 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:37:22,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:14" (3/4) ... [2021-11-25 19:37:22,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:37:22,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:37:22,426 INFO L158 Benchmark]: Toolchain (without parser) took 9276.35ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 53.8MB in the beginning and 55.1MB in the end (delta: -1.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,427 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:37:22,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.61ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 53.7MB in the beginning and 101.2MB in the end (delta: -47.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.73ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,428 INFO L158 Benchmark]: Boogie Preprocessor took 71.21ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 97.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,429 INFO L158 Benchmark]: RCFGBuilder took 696.36ms. Allocated memory is still 134.2MB. Free memory was 97.8MB in the beginning and 83.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,430 INFO L158 Benchmark]: TraceAbstraction took 7596.76ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 83.1MB in the beginning and 55.1MB in the end (delta: 28.1MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-25 19:37:22,430 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 161.5MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:37:22,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.61ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 53.7MB in the beginning and 101.2MB in the end (delta: -47.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.73ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.21ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 97.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.36ms. Allocated memory is still 134.2MB. Free memory was 97.8MB in the beginning and 83.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7596.76ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 83.1MB in the beginning and 55.1MB in the end (delta: 28.1MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 161.5MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 113 PlacesBefore, 49 PlacesAfterwards, 109 TransitionsBefore, 45 TransitionsAfterwards, 1736 CoEnabledTransitionPairs, 7 FixpointIterations, 55 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 82 TotalNumberOfCompositions, 11047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1820, positive: 1300, positive conditional: 0, positive unconditional: 1300, negative: 520, negative conditional: 0, negative unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 969, positive: 874, positive conditional: 0, positive unconditional: 874, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 969, positive: 794, positive conditional: 0, positive unconditional: 794, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 175, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 631, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 349, negative conditional: 0, negative unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1820, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 425, negative conditional: 0, negative unconditional: 425, unknown: 969, unknown conditional: 0, unknown unconditional: 969] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - 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: 694]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int g; [L680] 0 int *g1; [L681] 0 int *g2; [L682] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_t id; [L691] 0 int x; [L692] EXPR 0 g2 = &g [L692] 0 g1 = g2 = &g [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 *g2 [L694] EXPR 0 \read(*g2) VAL [\read(*g2)=0, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [(*g2)++=25, (*g2)++=0, \read(*g2)=0, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] [L685] EXPR 1 *g1 [L685] EXPR 1 \read(*g1) VAL [\read(*g1)=1, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=1, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [(*g2)++=0, (*g2)++=25, \read(*g1)=1, \read(*g2)=0, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] 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: g1 = g2 = &g [692] * C: (*g1)++ [685] * C: g1 = g2 = &g [692] * C: (*g2)++ [694] * C: (*g2)++ [694] * C: (*g2)++ [694] * C: *g2 [694] * C: (*g2)++ [694] * C: *g1 [685] * C: g2 = &g [692] and C: (*g2)++ [694] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: 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: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: 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, 140 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1020 IncrementalHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 119 mSDtfsCounter, 1020 mSolverCounterSat, 0.0s 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=503occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2021-11-25 19:37:22,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18444380-26e0-4425-a595-f567cf7feb8b/bin/utaipan-eEHZpOm5b7/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