./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:21:06,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:21:06,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:21:06,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:21:06,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:21:06,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:21:06,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:21:06,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:21:06,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:21:06,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:21:06,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:21:06,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:21:06,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:21:06,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:21:06,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:21:06,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:21:06,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:21:06,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:21:06,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:21:06,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:21:06,643 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:21:06,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:21:06,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:21:06,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:21:06,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:21:06,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:21:06,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:21:06,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:21:06,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:21:06,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:21:06,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:21:06,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:21:06,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:21:06,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:21:06,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:21:06,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:21:06,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:21:06,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:21:06,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:21:06,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:21:06,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:21:06,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:21:06,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:21:06,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:21:06,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:21:06,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:21:06,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:21:06,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:21:06,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:21:06,711 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:21:06,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:21:06,711 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:21:06,712 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:21:06,712 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:21:06,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:21:06,713 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:21:06,713 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:21:06,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:21:06,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:21:06,713 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:21:06,713 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:21:06,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:21:06,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:21:06,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:21:06,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:21:06,715 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:21:06,716 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:21:06,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:21:06,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:21:06,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:21:06,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:21:06,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:21:06,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:21:06,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:21:06,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:21:06,718 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:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 [2022-04-18 19:21:06,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:21:06,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:21:06,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:21:06,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:21:06,955 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:21:06,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i [2022-04-18 19:21:07,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b9b06f0d/da508c6e48c448af8751f84c5723cb4c/FLAG0d6cfa5d4 [2022-04-18 19:21:07,370 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:21:07,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i [2022-04-18 19:21:07,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b9b06f0d/da508c6e48c448af8751f84c5723cb4c/FLAG0d6cfa5d4 [2022-04-18 19:21:07,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b9b06f0d/da508c6e48c448af8751f84c5723cb4c [2022-04-18 19:21:07,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:21:07,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:21:07,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:21:07,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:21:07,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:21:07,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:21:07" (1/1) ... [2022-04-18 19:21:07,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28243c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:07, skipping insertion in model container [2022-04-18 19:21:07,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:21:07" (1/1) ... [2022-04-18 19:21:07,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:21:07,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:21:08,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i[30003,30016] [2022-04-18 19:21:08,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:21:08,034 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:21:08,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i[30003,30016] [2022-04-18 19:21:08,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:21:08,107 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:21:08,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08 WrapperNode [2022-04-18 19:21:08,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:21:08,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:21:08,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:21:08,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:21:08,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,160 INFO L137 Inliner]: procedures = 174, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 155 [2022-04-18 19:21:08,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:21:08,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:21:08,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:21:08,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:21:08,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:21:08,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:21:08,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:21:08,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:21:08,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (1/1) ... [2022-04-18 19:21:08,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:21:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:21:08,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:21:08,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:21:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-04-18 19:21:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:21:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2022-04-18 19:21:08,301 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2022-04-18 19:21:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:21:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:21:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:21:08,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:21:08,302 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:21:08,458 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:21:08,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:21:08,635 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:21:08,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:21:08,681 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-18 19:21:08,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:21:08 BoogieIcfgContainer [2022-04-18 19:21:08,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:21:08,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:21:08,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:21:08,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:21:08,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:21:07" (1/3) ... [2022-04-18 19:21:08,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8df4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:21:08, skipping insertion in model container [2022-04-18 19:21:08,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:21:08" (2/3) ... [2022-04-18 19:21:08,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8df4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:21:08, skipping insertion in model container [2022-04-18 19:21:08,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:21:08" (3/3) ... [2022-04-18 19:21:08,689 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2022-04-18 19:21:08,692 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:21:08,692 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:21:08,692 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-04-18 19:21:08,692 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:21:08,729 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:21:08,776 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:21:08,782 INFO L340 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 [2022-04-18 19:21:08,782 INFO L341 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-04-18 19:21:08,805 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:21:08,814 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 144 transitions, 298 flow [2022-04-18 19:21:08,819 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 144 transitions, 298 flow [2022-04-18 19:21:08,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 144 transitions, 298 flow [2022-04-18 19:21:08,864 INFO L129 PetriNetUnfolder]: 6/155 cut-off events. [2022-04-18 19:21:08,865 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:21:08,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 155 events. 6/155 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 280 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 112. Up to 4 conditions per place. [2022-04-18 19:21:08,875 INFO L116 LiptonReduction]: Number of co-enabled transitions 5760 [2022-04-18 19:21:11,240 INFO L131 LiptonReduction]: Checked pairs total: 10937 [2022-04-18 19:21:11,240 INFO L133 LiptonReduction]: Total number of compositions: 175 [2022-04-18 19:21:11,256 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 94 flow [2022-04-18 19:21:11,307 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 19:21:11,314 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:11,314 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 19:21:11,315 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-04-18 19:21:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:11,318 INFO L85 PathProgramCache]: Analyzing trace with hash 706, now seen corresponding path program 1 times [2022-04-18 19:21:11,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:11,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794992687] [2022-04-18 19:21:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:11,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:11,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:11,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794992687] [2022-04-18 19:21:11,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794992687] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:11,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:11,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 19:21:11,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649780081] [2022-04-18 19:21:11,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:11,426 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:21:11,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:11,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:21:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:21:11,466 INFO L87 Difference]: Start difference. First operand has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 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) [2022-04-18 19:21:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:11,518 INFO L93 Difference]: Finished difference Result 408 states and 1066 transitions. [2022-04-18 19:21:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:21:11,520 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 [2022-04-18 19:21:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:11,534 INFO L225 Difference]: With dead ends: 408 [2022-04-18 19:21:11,534 INFO L226 Difference]: Without dead ends: 407 [2022-04-18 19:21:11,534 INFO L912 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 [2022-04-18 19:21:11,537 INFO L913 BasicCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:11,538 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-04-18 19:21:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2022-04-18 19:21:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 389 states have (on average 2.7326478149100257) internal successors, (1063), 406 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1063 transitions. [2022-04-18 19:21:11,584 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1063 transitions. Word has length 1 [2022-04-18 19:21:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:11,584 INFO L478 AbstractCegarLoop]: Abstraction has 407 states and 1063 transitions. [2022-04-18 19:21:11,584 INFO L479 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) [2022-04-18 19:21:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1063 transitions. [2022-04-18 19:21:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 19:21:11,585 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:11,585 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 19:21:11,585 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 19:21:11,585 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-04-18 19:21:11,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:11,586 INFO L85 PathProgramCache]: Analyzing trace with hash 669522376, now seen corresponding path program 1 times [2022-04-18 19:21:11,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:11,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672883244] [2022-04-18 19:21:11,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:11,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:11,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:11,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672883244] [2022-04-18 19:21:11,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672883244] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:11,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:11,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:11,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695742197] [2022-04-18 19:21:11,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:11,646 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:11,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,647 INFO L87 Difference]: Start difference. First operand 407 states and 1063 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:11,681 INFO L93 Difference]: Finished difference Result 448 states and 1166 transitions. [2022-04-18 19:21:11,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:11,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 19:21:11,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:11,683 INFO L225 Difference]: With dead ends: 448 [2022-04-18 19:21:11,683 INFO L226 Difference]: Without dead ends: 448 [2022-04-18 19:21:11,684 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,684 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:11,685 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-04-18 19:21:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 423. [2022-04-18 19:21:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 406 states have (on average 2.7118226600985222) internal successors, (1101), 422 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1101 transitions. [2022-04-18 19:21:11,697 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1101 transitions. Word has length 5 [2022-04-18 19:21:11,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:11,697 INFO L478 AbstractCegarLoop]: Abstraction has 423 states and 1101 transitions. [2022-04-18 19:21:11,697 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1101 transitions. [2022-04-18 19:21:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 19:21:11,697 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:11,698 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:11,698 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 19:21:11,698 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-04-18 19:21:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash -834070623, now seen corresponding path program 1 times [2022-04-18 19:21:11,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:11,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958574620] [2022-04-18 19:21:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:11,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:11,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958574620] [2022-04-18 19:21:11,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958574620] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:11,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:11,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701473525] [2022-04-18 19:21:11,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:11,727 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,728 INFO L87 Difference]: Start difference. First operand 423 states and 1101 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:11,755 INFO L93 Difference]: Finished difference Result 423 states and 1065 transitions. [2022-04-18 19:21:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:11,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-04-18 19:21:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:11,757 INFO L225 Difference]: With dead ends: 423 [2022-04-18 19:21:11,757 INFO L226 Difference]: Without dead ends: 423 [2022-04-18 19:21:11,757 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,758 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 16 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:11,758 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 15 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:11,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-04-18 19:21:11,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 399. [2022-04-18 19:21:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 385 states have (on average 2.6675324675324674) internal successors, (1027), 398 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 1027 transitions. [2022-04-18 19:21:11,766 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 1027 transitions. Word has length 7 [2022-04-18 19:21:11,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:11,767 INFO L478 AbstractCegarLoop]: Abstraction has 399 states and 1027 transitions. [2022-04-18 19:21:11,767 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1027 transitions. [2022-04-18 19:21:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 19:21:11,768 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:11,768 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:11,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 19:21:11,768 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-04-18 19:21:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash -820225887, now seen corresponding path program 1 times [2022-04-18 19:21:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:11,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623333150] [2022-04-18 19:21:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:11,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:11,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623333150] [2022-04-18 19:21:11,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623333150] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:11,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:11,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948261596] [2022-04-18 19:21:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:11,796 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:11,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:11,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,797 INFO L87 Difference]: Start difference. First operand 399 states and 1027 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:11,838 INFO L93 Difference]: Finished difference Result 442 states and 1058 transitions. [2022-04-18 19:21:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-04-18 19:21:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:11,840 INFO L225 Difference]: With dead ends: 442 [2022-04-18 19:21:11,841 INFO L226 Difference]: Without dead ends: 439 [2022-04-18 19:21:11,841 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:11,842 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:11,842 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-04-18 19:21:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 366. [2022-04-18 19:21:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 349 states have (on average 2.621776504297994) internal successors, (915), 365 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 915 transitions. [2022-04-18 19:21:11,849 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 915 transitions. Word has length 8 [2022-04-18 19:21:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:11,850 INFO L478 AbstractCegarLoop]: Abstraction has 366 states and 915 transitions. [2022-04-18 19:21:11,850 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 915 transitions. [2022-04-18 19:21:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 19:21:11,851 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:11,851 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:11,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 19:21:11,851 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-04-18 19:21:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:11,852 INFO L85 PathProgramCache]: Analyzing trace with hash -820253765, now seen corresponding path program 1 times [2022-04-18 19:21:11,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:11,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414796436] [2022-04-18 19:21:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:21:11,865 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 19:21:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:21:11,883 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-04-18 19:21:11,883 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 19:21:11,884 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 36 remaining) [2022-04-18 19:21:11,885 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2022-04-18 19:21:11,885 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2022-04-18 19:21:11,885 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2022-04-18 19:21:11,885 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2022-04-18 19:21:11,886 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2022-04-18 19:21:11,887 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2022-04-18 19:21:11,888 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2022-04-18 19:21:11,889 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2022-04-18 19:21:11,890 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2022-04-18 19:21:11,891 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2022-04-18 19:21:11,891 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 19:21:11,892 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 19:21:11,893 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 19:21:11,893 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 19:21:11,907 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:21:11,908 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:21:11,908 INFO L340 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 [2022-04-18 19:21:11,908 INFO L341 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-04-18 19:21:11,910 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:21:11,910 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 221 transitions, 466 flow [2022-04-18 19:21:11,910 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 221 transitions, 466 flow [2022-04-18 19:21:11,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 221 transitions, 466 flow [2022-04-18 19:21:11,934 INFO L129 PetriNetUnfolder]: 10/214 cut-off events. [2022-04-18 19:21:11,934 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 19:21:11,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 214 events. 10/214 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 497 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 223. Up to 6 conditions per place. [2022-04-18 19:21:11,960 INFO L116 LiptonReduction]: Number of co-enabled transitions 13536 [2022-04-18 19:21:15,528 INFO L131 LiptonReduction]: Checked pairs total: 27724 [2022-04-18 19:21:15,529 INFO L133 LiptonReduction]: Total number of compositions: 287 [2022-04-18 19:21:15,535 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 66 transitions, 156 flow [2022-04-18 19:21:15,998 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17347 states, 15967 states have (on average 4.032191394751675) internal successors, (64382), 17346 states have internal predecessors, (64382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 17347 states, 15967 states have (on average 4.032191394751675) internal successors, (64382), 17346 states have internal predecessors, (64382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 19:21:16,029 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:16,029 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 19:21:16,030 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 19:21:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1280, now seen corresponding path program 1 times [2022-04-18 19:21:16,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:16,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236360503] [2022-04-18 19:21:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:16,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:16,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236360503] [2022-04-18 19:21:16,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236360503] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:16,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:16,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 19:21:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328909362] [2022-04-18 19:21:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:16,053 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:21:16,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:21:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:21:16,082 INFO L87 Difference]: Start difference. First operand has 17347 states, 15967 states have (on average 4.032191394751675) internal successors, (64382), 17346 states have internal predecessors, (64382), 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) [2022-04-18 19:21:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:16,137 INFO L93 Difference]: Finished difference Result 3011 states and 10875 transitions. [2022-04-18 19:21:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:21:16,138 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 [2022-04-18 19:21:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:16,155 INFO L225 Difference]: With dead ends: 3011 [2022-04-18 19:21:16,155 INFO L226 Difference]: Without dead ends: 3007 [2022-04-18 19:21:16,156 INFO L912 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 [2022-04-18 19:21:16,156 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:16,157 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2022-04-18 19:21:16,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3007. [2022-04-18 19:21:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3007 states, 2966 states have (on average 3.6608226567768036) internal successors, (10858), 3006 states have internal predecessors, (10858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 3007 states and 10858 transitions. [2022-04-18 19:21:16,284 INFO L78 Accepts]: Start accepts. Automaton has 3007 states and 10858 transitions. Word has length 1 [2022-04-18 19:21:16,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:16,284 INFO L478 AbstractCegarLoop]: Abstraction has 3007 states and 10858 transitions. [2022-04-18 19:21:16,284 INFO L479 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) [2022-04-18 19:21:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 10858 transitions. [2022-04-18 19:21:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 19:21:16,285 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:16,285 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 19:21:16,285 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 19:21:16,285 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 19:21:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:16,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1213191878, now seen corresponding path program 1 times [2022-04-18 19:21:16,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:16,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677193832] [2022-04-18 19:21:16,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:16,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:16,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:16,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677193832] [2022-04-18 19:21:16,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677193832] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:16,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:16,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:16,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312076805] [2022-04-18 19:21:16,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:16,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:16,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,329 INFO L87 Difference]: Start difference. First operand 3007 states and 10858 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:16,448 INFO L93 Difference]: Finished difference Result 3226 states and 11656 transitions. [2022-04-18 19:21:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:16,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 19:21:16,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:16,470 INFO L225 Difference]: With dead ends: 3226 [2022-04-18 19:21:16,470 INFO L226 Difference]: Without dead ends: 3226 [2022-04-18 19:21:16,471 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,472 INFO L913 BasicCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:16,472 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 22 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2022-04-18 19:21:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3226. [2022-04-18 19:21:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3226 states, 3186 states have (on average 3.6585059635907093) internal successors, (11656), 3225 states have internal predecessors, (11656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 11656 transitions. [2022-04-18 19:21:16,566 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 11656 transitions. Word has length 5 [2022-04-18 19:21:16,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:16,566 INFO L478 AbstractCegarLoop]: Abstraction has 3226 states and 11656 transitions. [2022-04-18 19:21:16,566 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 11656 transitions. [2022-04-18 19:21:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 19:21:16,567 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:16,567 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:16,567 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 19:21:16,568 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 19:21:16,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:16,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1941505984, now seen corresponding path program 1 times [2022-04-18 19:21:16,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:16,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957221032] [2022-04-18 19:21:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:16,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:16,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:16,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957221032] [2022-04-18 19:21:16,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957221032] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:16,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:16,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022923121] [2022-04-18 19:21:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:16,601 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:16,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:16,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,602 INFO L87 Difference]: Start difference. First operand 3226 states and 11656 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:16,666 INFO L93 Difference]: Finished difference Result 3468 states and 12064 transitions. [2022-04-18 19:21:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:16,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-04-18 19:21:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:16,685 INFO L225 Difference]: With dead ends: 3468 [2022-04-18 19:21:16,685 INFO L226 Difference]: Without dead ends: 3468 [2022-04-18 19:21:16,686 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,686 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:16,687 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 20 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:16,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3468 states. [2022-04-18 19:21:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3468 to 3117. [2022-04-18 19:21:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 3081 states have (on average 3.6137617656604997) internal successors, (11134), 3116 states have internal predecessors, (11134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 11134 transitions. [2022-04-18 19:21:16,816 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 11134 transitions. Word has length 7 [2022-04-18 19:21:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:16,817 INFO L478 AbstractCegarLoop]: Abstraction has 3117 states and 11134 transitions. [2022-04-18 19:21:16,817 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 11134 transitions. [2022-04-18 19:21:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 19:21:16,818 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:16,818 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:16,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 19:21:16,818 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 19:21:16,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:16,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1253167517, now seen corresponding path program 1 times [2022-04-18 19:21:16,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:16,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901604908] [2022-04-18 19:21:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:21:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:21:16,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:21:16,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901604908] [2022-04-18 19:21:16,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901604908] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:21:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:21:16,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:21:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909182484] [2022-04-18 19:21:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:21:16,846 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:21:16,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:21:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:21:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,846 INFO L87 Difference]: Start difference. First operand 3117 states and 11134 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:21:16,910 INFO L93 Difference]: Finished difference Result 3294 states and 11127 transitions. [2022-04-18 19:21:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:21:16,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 19:21:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:21:16,927 INFO L225 Difference]: With dead ends: 3294 [2022-04-18 19:21:16,927 INFO L226 Difference]: Without dead ends: 3262 [2022-04-18 19:21:16,927 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:21:16,928 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:21:16,928 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 18 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:21:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2022-04-18 19:21:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2643. [2022-04-18 19:21:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2618 states have (on average 3.533231474407945) internal successors, (9250), 2642 states have internal predecessors, (9250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 9250 transitions. [2022-04-18 19:21:17,014 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 9250 transitions. Word has length 9 [2022-04-18 19:21:17,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:21:17,015 INFO L478 AbstractCegarLoop]: Abstraction has 2643 states and 9250 transitions. [2022-04-18 19:21:17,015 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:21:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 9250 transitions. [2022-04-18 19:21:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 19:21:17,016 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:21:17,016 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:21:17,016 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 19:21:17,016 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 19:21:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:21:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash -646448473, now seen corresponding path program 1 times [2022-04-18 19:21:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:21:17,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313985989] [2022-04-18 19:21:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:21:17,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:21:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:21:17,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 19:21:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:21:17,030 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-04-18 19:21:17,031 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 19:21:17,031 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2022-04-18 19:21:17,031 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2022-04-18 19:21:17,031 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2022-04-18 19:21:17,031 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2022-04-18 19:21:17,031 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2022-04-18 19:21:17,032 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2022-04-18 19:21:17,033 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2022-04-18 19:21:17,034 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2022-04-18 19:21:17,035 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2022-04-18 19:21:17,036 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2022-04-18 19:21:17,037 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2022-04-18 19:21:17,038 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2022-04-18 19:21:17,038 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2022-04-18 19:21:17,038 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2022-04-18 19:21:17,038 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2022-04-18 19:21:17,038 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 19:21:17,038 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 19:21:17,042 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-04-18 19:21:17,042 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 19:21:17,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:21:17 BasicIcfg [2022-04-18 19:21:17,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 19:21:17,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 19:21:17,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 19:21:17,061 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 19:21:17,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:21:08" (3/4) ... [2022-04-18 19:21:17,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-04-18 19:21:17,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 19:21:17,063 INFO L158 Benchmark]: Toolchain (without parser) took 9311.89ms. Allocated memory was 104.9MB in the beginning and 268.4MB in the end (delta: 163.6MB). Free memory was 64.1MB in the beginning and 107.4MB in the end (delta: -43.3MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,063 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:21:17,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.38ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 69.7MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 67.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,064 INFO L158 Benchmark]: Boogie Preprocessor took 29.60ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,064 INFO L158 Benchmark]: RCFGBuilder took 491.78ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 47.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,064 INFO L158 Benchmark]: TraceAbstraction took 8375.63ms. Allocated memory was 104.9MB in the beginning and 268.4MB in the end (delta: 163.6MB). Free memory was 46.3MB in the beginning and 108.5MB in the end (delta: -62.2MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2022-04-18 19:21:17,064 INFO L158 Benchmark]: Witness Printer took 2.21ms. Allocated memory is still 268.4MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:21:17,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.38ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 69.7MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 67.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.60ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.78ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 47.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8375.63ms. Allocated memory was 104.9MB in the beginning and 268.4MB in the end (delta: 163.6MB). Free memory was 46.3MB in the beginning and 108.5MB in the end (delta: -62.2MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. * Witness Printer took 2.21ms. Allocated memory is still 268.4MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). 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: 2.4s, 145 PlacesBefore, 46 PlacesAfterwards, 144 TransitionsBefore, 42 TransitionsAfterwards, 5760 CoEnabledTransitionPairs, 9 FixpointIterations, 57 TrivialSequentialCompositions, 102 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 175 TotalNumberOfCompositions, 10937 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7484, positive: 7259, positive conditional: 0, positive unconditional: 7259, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4175, positive: 4108, positive conditional: 0, positive unconditional: 4108, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4175, positive: 3912, positive conditional: 0, positive unconditional: 3912, negative: 263, negative conditional: 0, negative unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 263, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 194, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7484, positive: 3151, positive conditional: 0, positive unconditional: 3151, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 4175, unknown conditional: 0, unknown unconditional: 4175] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 222 PlacesBefore, 74 PlacesAfterwards, 221 TransitionsBefore, 66 TransitionsAfterwards, 13536 CoEnabledTransitionPairs, 9 FixpointIterations, 108 TrivialSequentialCompositions, 143 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 27 ConcurrentYvCompositions, 7 ChoiceCompositions, 287 TotalNumberOfCompositions, 27724 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19792, positive: 19444, positive conditional: 0, positive unconditional: 19444, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10079, positive: 9986, positive conditional: 0, positive unconditional: 9986, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10079, positive: 9470, positive conditional: 0, positive unconditional: 9470, negative: 609, negative conditional: 0, negative unconditional: 609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 609, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 322, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19792, positive: 9458, positive conditional: 0, positive unconditional: 9458, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 10079, unknown conditional: 0, unknown unconditional: 10079] , Statistics on independence cache: Total cache size (in pairs): 600, Positive cache size: 572, Positive conditional cache size: 0, Positive unconditional cache size: 572, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - 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: 730]: Data race detected Data race detected The following path leads to a data race: [L697] 0 volatile int stoppingFlag; [L698] 0 volatile int pendingIo; [L699] 0 volatile int stoppingEvent; [L700] 0 volatile int stopped; [L737] 0 pthread_t t; [L738] 0 int i; [L739] 0 pendingIo = 1 [L740] 0 stoppingFlag = 0 [L741] 0 stoppingEvent = 0 [L742] 0 stopped = 0 [L743] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, pthread_create(&t, 0, BCSP_PnpStop, 0)=-1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L730] 1 stoppingFlag = 1 VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1, stoppingFlag = 1=50] [L744] 0 i = 0 VAL [i=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1, t={3:0}] [L744] COND TRUE 0 i < 10 [L745] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpAdd, 0) VAL [i=0, pendingIo=1, pthread_create(&t, 0, BCSP_PnpAdd, 0)=0, stopped=0, stoppingEvent=0, stoppingFlag=1, t={3:0}] [L721] 2 int status; [L722] CALL, EXPR 2 BCSP_IoIncrement() [L703] 2 \read(stoppingFlag) [L703] 2 \read(stoppingFlag) [L703] COND TRUE 2 \read(stoppingFlag) [L705] 2 return -1; [L722] RET, EXPR 2 BCSP_IoIncrement() [L722] 2 status = BCSP_IoIncrement() [L723] COND FALSE 2 !(status == 0) [L727] 2 return 0; [L730] 1 stoppingFlag = 1 VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1, stoppingFlag = 1=50] Now there is a data race on ~stoppingFlag~0 between C: if (stoppingFlag) { __VERIFIER_atomic_end(); return -1; } else { pendingIo = pendingIo + 1; } [703-708] and C: stoppingFlag = 1 [730] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 740]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 741]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: 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: 743]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 214 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 39 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1108occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 287 locations, 51 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 49 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17347occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 970 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-04-18 19:21:17,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE