./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c --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/weaver/chl-exp-term-subst.wvr.c -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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:16:57,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:16:57,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:16:57,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:16:57,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:16:57,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:16:57,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:16:57,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:16:57,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:16:57,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:16:57,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:16:57,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:16:57,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:16:57,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:16:57,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:16:57,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:16:57,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:16:57,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:16:57,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:16:57,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:16:57,883 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:16:57,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:16:57,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:16:57,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:16:57,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:16:57,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:16:57,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:16:57,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:16:57,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:16:57,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:16:57,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:16:57,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:16:57,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:16:57,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:16:57,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:16:57,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:16:57,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:16:57,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:16:57,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:16:57,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:16:57,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:16:57,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:16:57,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:16:57,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:16:57,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:16:57,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:16:57,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:16:57,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:16:57,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:16:57,930 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:16:57,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:16:57,931 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:16:57,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:16:57,932 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:16:57,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:16:57,932 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:16:57,932 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:16:57,932 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:16:57,933 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:16:57,933 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:16:57,933 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:16:57,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:16:57,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:16:57,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:16:57,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:16:57,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:16:57,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:16:57,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:16:57,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:16:57,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:16:57,937 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:16:57,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:16:57,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:16:57,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:16:57,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:16:57,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b [2022-04-18 20:16:58,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:16:58,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:16:58,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:16:58,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:16:58,185 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:16:58,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2022-04-18 20:16:58,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2aa6f9507/aa793b900dad4e5198f6746af7f948e8/FLAG187b47ab9 [2022-04-18 20:16:58,641 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:16:58,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2022-04-18 20:16:58,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2aa6f9507/aa793b900dad4e5198f6746af7f948e8/FLAG187b47ab9 [2022-04-18 20:16:58,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2aa6f9507/aa793b900dad4e5198f6746af7f948e8 [2022-04-18 20:16:58,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:16:58,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:16:58,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:16:58,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:16:58,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:16:58,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd50c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58, skipping insertion in model container [2022-04-18 20:16:58,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:16:58,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:16:58,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-04-18 20:16:58,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:16:58,861 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:16:58,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-04-18 20:16:58,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:16:58,914 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:16:58,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58 WrapperNode [2022-04-18 20:16:58,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:16:58,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:16:58,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:16:58,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:16:58,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,975 INFO L137 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 337 [2022-04-18 20:16:58,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:16:58,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:16:58,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:16:58,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:16:58,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:58,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:59,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:59,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:59,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:59,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:16:59,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:16:59,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:16:59,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:16:59,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (1/1) ... [2022-04-18 20:16:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:16:59,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:16:59,047 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 20:16:59,053 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 20:16:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:16:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:16:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:16:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:16:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:16:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 20:16:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 20:16:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:16:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:16:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:16:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:16:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:16:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:16:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:16:59,086 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 20:16:59,196 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:16:59,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:16:59,605 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:16:59,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:16:59,615 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 20:16:59,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:16:59 BoogieIcfgContainer [2022-04-18 20:16:59,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:16:59,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:16:59,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:16:59,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:16:59,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:16:58" (1/3) ... [2022-04-18 20:16:59,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3427ad4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:16:59, skipping insertion in model container [2022-04-18 20:16:59,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:16:58" (2/3) ... [2022-04-18 20:16:59,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3427ad4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:16:59, skipping insertion in model container [2022-04-18 20:16:59,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:16:59" (3/3) ... [2022-04-18 20:16:59,624 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2022-04-18 20:16:59,628 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:16:59,629 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:16:59,629 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-04-18 20:16:59,629 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:16:59,699 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 20:16:59,734 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:16:59,738 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 20:16:59,738 INFO L341 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-04-18 20:16:59,750 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:16:59,775 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 449 transitions, 922 flow [2022-04-18 20:16:59,777 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 449 transitions, 922 flow [2022-04-18 20:16:59,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 449 transitions, 922 flow [2022-04-18 20:16:59,901 INFO L129 PetriNetUnfolder]: 27/446 cut-off events. [2022-04-18 20:16:59,901 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 20:16:59,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 446 events. 27/446 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1453 event pairs, 0 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2022-04-18 20:16:59,947 INFO L116 LiptonReduction]: Number of co-enabled transitions 67830 [2022-04-18 20:17:08,811 INFO L131 LiptonReduction]: Checked pairs total: 127085 [2022-04-18 20:17:08,812 INFO L133 LiptonReduction]: Total number of compositions: 537 [2022-04-18 20:17:08,820 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 123 transitions, 270 flow [2022-04-18 20:17:10,641 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 56252 states, 52630 states have (on average 4.474539236177085) internal successors, (235495), 56251 states have internal predecessors, (235495), 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 20:17:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 56252 states, 52630 states have (on average 4.474539236177085) internal successors, (235495), 56251 states have internal predecessors, (235495), 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 20:17:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:17:10,751 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:10,752 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:17:10,752 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 20:17:10,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:10,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1843, now seen corresponding path program 1 times [2022-04-18 20:17:10,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:10,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603900051] [2022-04-18 20:17:10,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:10,828 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 20:17:10,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603900051] [2022-04-18 20:17:10,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603900051] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:10,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:10,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:17:10,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729580585] [2022-04-18 20:17:10,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:10,838 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:17:10,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:10,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:17:10,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:17:11,053 INFO L87 Difference]: Start difference. First operand has 56252 states, 52630 states have (on average 4.474539236177085) internal successors, (235495), 56251 states have internal predecessors, (235495), 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 20:17:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:11,281 INFO L93 Difference]: Finished difference Result 8737 states and 37993 transitions. [2022-04-18 20:17:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:17:11,283 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 20:17:11,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:11,365 INFO L225 Difference]: With dead ends: 8737 [2022-04-18 20:17:11,366 INFO L226 Difference]: Without dead ends: 8644 [2022-04-18 20:17:11,367 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 20:17:11,370 INFO L913 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:11,371 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8644 states. [2022-04-18 20:17:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8644 to 8644. [2022-04-18 20:17:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8644 states, 8641 states have (on average 4.3630366855688) internal successors, (37701), 8643 states have internal predecessors, (37701), 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 20:17:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8644 states to 8644 states and 37701 transitions. [2022-04-18 20:17:11,865 INFO L78 Accepts]: Start accepts. Automaton has 8644 states and 37701 transitions. Word has length 1 [2022-04-18 20:17:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:11,865 INFO L478 AbstractCegarLoop]: Abstraction has 8644 states and 37701 transitions. [2022-04-18 20:17:11,866 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 20:17:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8644 states and 37701 transitions. [2022-04-18 20:17:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 20:17:11,867 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:11,867 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:17:11,867 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:17:11,881 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 20:17:11,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:11,882 INFO L85 PathProgramCache]: Analyzing trace with hash 83567217, now seen corresponding path program 1 times [2022-04-18 20:17:11,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:11,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825254393] [2022-04-18 20:17:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:11,948 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 20:17:11,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:11,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825254393] [2022-04-18 20:17:11,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825254393] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:11,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:11,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:17:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615762148] [2022-04-18 20:17:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:11,951 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:17:11,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:17:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:11,952 INFO L87 Difference]: Start difference. First operand 8644 states and 37701 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 20:17:12,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:12,344 INFO L93 Difference]: Finished difference Result 10186 states and 43969 transitions. [2022-04-18 20:17:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:17:12,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) 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 20:17:12,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:12,458 INFO L225 Difference]: With dead ends: 10186 [2022-04-18 20:17:12,458 INFO L226 Difference]: Without dead ends: 10186 [2022-04-18 20:17:12,458 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:12,459 INFO L913 BasicCegarLoop]: 8 mSDtfsCounter, 54 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:12,459 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 13 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10186 states. [2022-04-18 20:17:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10186 to 9158. [2022-04-18 20:17:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9158 states, 9155 states have (on average 4.347460404150738) internal successors, (39801), 9157 states have internal predecessors, (39801), 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 20:17:12,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9158 states to 9158 states and 39801 transitions. [2022-04-18 20:17:12,911 INFO L78 Accepts]: Start accepts. Automaton has 9158 states and 39801 transitions. Word has length 7 [2022-04-18 20:17:12,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:12,912 INFO L478 AbstractCegarLoop]: Abstraction has 9158 states and 39801 transitions. [2022-04-18 20:17:12,912 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) 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 20:17:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9158 states and 39801 transitions. [2022-04-18 20:17:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 20:17:12,913 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:12,913 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:17:12,913 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:17:12,913 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 20:17:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:12,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1704736364, now seen corresponding path program 1 times [2022-04-18 20:17:12,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:12,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193446082] [2022-04-18 20:17:12,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:12,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:12,962 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 20:17:12,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:12,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193446082] [2022-04-18 20:17:12,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193446082] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:12,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:12,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:17:12,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435837998] [2022-04-18 20:17:12,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:12,967 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:17:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:12,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:17:12,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:12,969 INFO L87 Difference]: Start difference. First operand 9158 states and 39801 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 20:17:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:13,156 INFO L93 Difference]: Finished difference Result 8644 states and 37701 transitions. [2022-04-18 20:17:13,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:17:13,157 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 20:17:13,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:13,194 INFO L225 Difference]: With dead ends: 8644 [2022-04-18 20:17:13,194 INFO L226 Difference]: Without dead ends: 8164 [2022-04-18 20:17:13,195 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 20:17:13,195 INFO L913 BasicCegarLoop]: 7 mSDtfsCounter, 46 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:13,196 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 11 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:13,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8164 states. [2022-04-18 20:17:13,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8164 to 8164. [2022-04-18 20:17:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8164 states, 8163 states have (on average 4.37657723876026) internal successors, (35726), 8163 states have internal predecessors, (35726), 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 20:17:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8164 states to 8164 states and 35726 transitions. [2022-04-18 20:17:13,516 INFO L78 Accepts]: Start accepts. Automaton has 8164 states and 35726 transitions. Word has length 8 [2022-04-18 20:17:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:13,516 INFO L478 AbstractCegarLoop]: Abstraction has 8164 states and 35726 transitions. [2022-04-18 20:17:13,516 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 20:17:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8164 states and 35726 transitions. [2022-04-18 20:17:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 20:17:13,517 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:13,518 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:17:13,518 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 20:17:13,518 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 20:17:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:13,518 INFO L85 PathProgramCache]: Analyzing trace with hash 439105710, now seen corresponding path program 1 times [2022-04-18 20:17:13,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:13,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408926566] [2022-04-18 20:17:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:13,581 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 20:17:13,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:13,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408926566] [2022-04-18 20:17:13,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408926566] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:13,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:13,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:17:13,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909588932] [2022-04-18 20:17:13,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:13,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:17:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:17:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:13,586 INFO L87 Difference]: Start difference. First operand 8164 states and 35726 transitions. Second operand has 3 states, 3 states have (on average 3.0) 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 20:17:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:13,742 INFO L93 Difference]: Finished difference Result 9790 states and 41772 transitions. [2022-04-18 20:17:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:17:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) 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 20:17:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:13,783 INFO L225 Difference]: With dead ends: 9790 [2022-04-18 20:17:13,783 INFO L226 Difference]: Without dead ends: 9790 [2022-04-18 20:17:13,784 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:13,784 INFO L913 BasicCegarLoop]: 6 mSDtfsCounter, 53 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:13,785 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 10 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9790 states. [2022-04-18 20:17:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9790 to 8706. [2022-04-18 20:17:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8706 states, 8705 states have (on average 4.356346927053417) internal successors, (37922), 8705 states have internal predecessors, (37922), 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 20:17:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8706 states to 8706 states and 37922 transitions. [2022-04-18 20:17:14,137 INFO L78 Accepts]: Start accepts. Automaton has 8706 states and 37922 transitions. Word has length 9 [2022-04-18 20:17:14,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:14,138 INFO L478 AbstractCegarLoop]: Abstraction has 8706 states and 37922 transitions. [2022-04-18 20:17:14,138 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) 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 20:17:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8706 states and 37922 transitions. [2022-04-18 20:17:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 20:17:14,140 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:14,140 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:17:14,140 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 20:17:14,141 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 20:17:14,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash 727259138, now seen corresponding path program 1 times [2022-04-18 20:17:14,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:14,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282263508] [2022-04-18 20:17:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:14,168 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 20:17:14,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:14,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282263508] [2022-04-18 20:17:14,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282263508] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:14,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:14,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:17:14,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241687611] [2022-04-18 20:17:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:14,170 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:17:14,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:17:14,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:14,171 INFO L87 Difference]: Start difference. First operand 8706 states and 37922 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:14,330 INFO L93 Difference]: Finished difference Result 8164 states and 35726 transitions. [2022-04-18 20:17:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:17:14,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-04-18 20:17:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:14,331 INFO L225 Difference]: With dead ends: 8164 [2022-04-18 20:17:14,331 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:17:14,331 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 20:17:14,332 INFO L913 BasicCegarLoop]: 5 mSDtfsCounter, 45 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:14,332 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 8 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:17:14,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:17:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 20:17:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:17:14,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2022-04-18 20:17:14,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:14,333 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:17:14,334 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:17:14,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:17:14,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-04-18 20:17:14,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-04-18 20:17:14,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-04-18 20:17:14,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-04-18 20:17:14,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-04-18 20:17:14,339 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-04-18 20:17:14,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-04-18 20:17:14,341 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2022-04-18 20:17:14,342 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-04-18 20:17:14,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-04-18 20:17:14,344 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-04-18 20:17:14,345 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-04-18 20:17:14,346 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-04-18 20:17:14,347 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-04-18 20:17:14,348 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-04-18 20:17:14,349 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-04-18 20:17:14,349 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-04-18 20:17:14,349 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-04-18 20:17:14,349 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-04-18 20:17:14,349 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-04-18 20:17:14,349 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 20:17:14,351 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 20:17:14,354 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:17:14,354 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:17:14,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:17:14 BasicIcfg [2022-04-18 20:17:14,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:17:14,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:17:14,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:17:14,357 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:17:14,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:16:59" (3/4) ... [2022-04-18 20:17:14,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:17:14,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:17:14,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:17:14,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 20:17:14,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-04-18 20:17:14,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:17:14,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:17:14,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:17:14,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:17:14,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:17:14,393 INFO L158 Benchmark]: Toolchain (without parser) took 15720.56ms. Allocated memory was 117.4MB in the beginning and 817.9MB in the end (delta: 700.4MB). Free memory was 81.5MB in the beginning and 282.4MB in the end (delta: -200.9MB). Peak memory consumption was 498.9MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,393 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:17:14,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.65ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 88.5MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.06ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 85.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,394 INFO L158 Benchmark]: Boogie Preprocessor took 44.13ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,394 INFO L158 Benchmark]: RCFGBuilder took 596.78ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 58.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,394 INFO L158 Benchmark]: TraceAbstraction took 14737.96ms. Allocated memory was 117.4MB in the beginning and 817.9MB in the end (delta: 700.4MB). Free memory was 57.6MB in the beginning and 285.5MB in the end (delta: -227.9MB). Peak memory consumption was 474.7MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,394 INFO L158 Benchmark]: Witness Printer took 35.11ms. Allocated memory is still 817.9MB. Free memory was 285.5MB in the beginning and 282.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:17:14,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.65ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 88.5MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.06ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 85.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.13ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.78ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 58.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14737.96ms. Allocated memory was 117.4MB in the beginning and 817.9MB in the end (delta: 700.4MB). Free memory was 57.6MB in the beginning and 285.5MB in the end (delta: -227.9MB). Peak memory consumption was 474.7MB. Max. memory is 16.1GB. * Witness Printer took 35.11ms. Allocated memory is still 817.9MB. Free memory was 285.5MB in the beginning and 282.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0s, 432 PlacesBefore, 115 PlacesAfterwards, 449 TransitionsBefore, 123 TransitionsAfterwards, 67830 CoEnabledTransitionPairs, 8 FixpointIterations, 143 TrivialSequentialCompositions, 317 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 60 ConcurrentYvCompositions, 9 ChoiceCompositions, 537 TotalNumberOfCompositions, 127085 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80005, positive: 79328, positive conditional: 0, positive unconditional: 79328, negative: 677, negative conditional: 0, negative unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52852, positive: 52692, positive conditional: 0, positive unconditional: 52692, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52852, positive: 51604, positive conditional: 0, positive unconditional: 51604, negative: 1248, negative conditional: 0, negative unconditional: 1248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1248, positive: 1088, positive conditional: 0, positive unconditional: 1088, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 619, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80005, positive: 26636, positive conditional: 0, positive unconditional: 26636, negative: 517, negative conditional: 0, negative unconditional: 517, unknown: 52852, unknown conditional: 0, unknown unconditional: 52852] , Statistics on independence cache: Total cache size (in pairs): 2282, Positive cache size: 2219, Positive conditional cache size: 0, Positive unconditional cache size: 2219, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 690 locations, 83 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 741 IncrementalHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 31 mSDtfsCounter, 741 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56252occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 2112 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:17:14,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE