./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:41:36,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:41:36,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:41:36,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:41:36,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:41:36,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:41:36,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:41:36,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:41:36,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:41:36,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:41:36,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:41:36,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:41:36,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:41:36,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:41:36,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:41:36,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:41:36,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:41:36,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:41:36,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:41:36,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:41:36,942 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:41:36,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:41:36,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:41:36,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:41:36,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:41:36,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:41:36,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:41:36,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:41:36,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:41:36,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:41:36,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:41:36,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:41:36,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:41:36,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:41:36,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:41:36,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:41:36,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:41:36,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:41:36,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:41:36,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:41:36,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:41:36,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:41:36,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:41:36,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:41:36,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:41:36,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:41:36,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:41:36,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:41:36,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:41:36,998 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:41:36,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:41:36,999 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:41:37,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:41:37,000 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:41:37,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:41:37,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:41:37,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:41:37,001 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:41:37,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:41:37,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:41:37,002 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:41:37,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:41:37,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:41:37,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:41:37,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:41:37,006 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:41:37,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:41:37,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:41:37,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:41:37,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:41:37,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:41:37,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:41:37,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:37,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:41:37,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:41:37,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:41:37,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2022-04-18 18:41:37,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:41:37,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:41:37,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:41:37,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:41:37,267 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:41:37,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-04-18 18:41:37,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4674989a4/09c6f4490e224516a9096f364944f46e/FLAGee0887de0 [2022-04-18 18:41:37,844 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:41:37,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-04-18 18:41:37,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4674989a4/09c6f4490e224516a9096f364944f46e/FLAGee0887de0 [2022-04-18 18:41:38,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4674989a4/09c6f4490e224516a9096f364944f46e [2022-04-18 18:41:38,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:41:38,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:41:38,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:38,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:41:38,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:41:38,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cea622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38, skipping insertion in model container [2022-04-18 18:41:38,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:41:38,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:41:38,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-04-18 18:41:38,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:38,638 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:41:38,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-04-18 18:41:38,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:38,745 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:41:38,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38 WrapperNode [2022-04-18 18:41:38,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:38,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:38,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:41:38,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:41:38,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,802 INFO L137 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2022-04-18 18:41:38,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:38,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:41:38,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:41:38,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:41:38,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:41:38,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:41:38,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:41:38,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:41:38,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (1/1) ... [2022-04-18 18:41:38,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:38,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 18:41:38,868 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 18:41:38,877 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 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 18:41:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 18:41:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:41:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:41:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:41:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:41:38,903 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 18:41:39,067 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:41:39,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:41:39,274 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:41:39,282 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:41:39,282 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 18:41:39,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:39 BoogieIcfgContainer [2022-04-18 18:41:39,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:41:39,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:41:39,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:41:39,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:41:39,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:41:38" (1/3) ... [2022-04-18 18:41:39,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd3c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:39, skipping insertion in model container [2022-04-18 18:41:39,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:38" (2/3) ... [2022-04-18 18:41:39,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd3c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:39, skipping insertion in model container [2022-04-18 18:41:39,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:39" (3/3) ... [2022-04-18 18:41:39,293 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-04-18 18:41:39,297 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:41:39,297 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:41:39,298 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-04-18 18:41:39,298 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:41:39,340 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 18:41:39,376 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 18:41:39,382 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 18:41:39,383 INFO L341 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-04-18 18:41:39,395 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 18:41:39,407 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 145 transitions, 298 flow [2022-04-18 18:41:39,412 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 145 transitions, 298 flow [2022-04-18 18:41:39,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 298 flow [2022-04-18 18:41:39,471 INFO L129 PetriNetUnfolder]: 4/144 cut-off events. [2022-04-18 18:41:39,471 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 18:41:39,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 4/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-04-18 18:41:39,482 INFO L116 LiptonReduction]: Number of co-enabled transitions 4048 [2022-04-18 18:41:42,568 INFO L131 LiptonReduction]: Checked pairs total: 24837 [2022-04-18 18:41:42,568 INFO L133 LiptonReduction]: Total number of compositions: 140 [2022-04-18 18:41:42,576 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 50 transitions, 108 flow [2022-04-18 18:41:42,613 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 457 states, 421 states have (on average 2.2209026128266034) internal successors, (935), 456 states have internal predecessors, (935), 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 18:41:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 421 states have (on average 2.2209026128266034) internal successors, (935), 456 states have internal predecessors, (935), 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 18:41:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 18:41:42,621 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,622 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 18:41:42,622 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:42,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,626 INFO L85 PathProgramCache]: Analyzing trace with hash 508, now seen corresponding path program 1 times [2022-04-18 18:41:42,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989977415] [2022-04-18 18:41:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,722 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 18:41:42,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989977415] [2022-04-18 18:41:42,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989977415] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 18:41:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630118489] [2022-04-18 18:41:42,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,729 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 18:41:42,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 18:41:42,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 18:41:42,750 INFO L87 Difference]: Start difference. First operand has 457 states, 421 states have (on average 2.2209026128266034) internal successors, (935), 456 states have internal predecessors, (935), 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 18:41:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,807 INFO L93 Difference]: Finished difference Result 437 states and 830 transitions. [2022-04-18 18:41:42,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:41:42,810 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 18:41:42,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,820 INFO L225 Difference]: With dead ends: 437 [2022-04-18 18:41:42,821 INFO L226 Difference]: Without dead ends: 435 [2022-04-18 18:41:42,821 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 18:41:42,824 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,825 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-04-18 18:41:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2022-04-18 18:41:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 406 states have (on average 2.0344827586206895) internal successors, (826), 434 states have internal predecessors, (826), 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 18:41:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 826 transitions. [2022-04-18 18:41:42,878 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 826 transitions. Word has length 1 [2022-04-18 18:41:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,878 INFO L478 AbstractCegarLoop]: Abstraction has 435 states and 826 transitions. [2022-04-18 18:41:42,879 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 18:41:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 826 transitions. [2022-04-18 18:41:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 18:41:42,879 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,880 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 18:41:42,880 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 18:41:42,880 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:42,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,881 INFO L85 PathProgramCache]: Analyzing trace with hash 485693652, now seen corresponding path program 1 times [2022-04-18 18:41:42,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605301775] [2022-04-18 18:41:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,005 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 18:41:43,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605301775] [2022-04-18 18:41:43,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605301775] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256422852] [2022-04-18 18:41:43,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,019 INFO L87 Difference]: Start difference. First operand 435 states and 826 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,110 INFO L93 Difference]: Finished difference Result 532 states and 975 transitions. [2022-04-18 18:41:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 18:41:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,116 INFO L225 Difference]: With dead ends: 532 [2022-04-18 18:41:43,116 INFO L226 Difference]: Without dead ends: 532 [2022-04-18 18:41:43,117 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 18:41:43,119 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,119 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 21 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-04-18 18:41:43,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 434. [2022-04-18 18:41:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 411 states have (on average 1.9294403892944039) internal successors, (793), 433 states have internal predecessors, (793), 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 18:41:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 793 transitions. [2022-04-18 18:41:43,161 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 793 transitions. Word has length 5 [2022-04-18 18:41:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,161 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 793 transitions. [2022-04-18 18:41:43,161 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 793 transitions. [2022-04-18 18:41:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 18:41:43,162 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,162 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,162 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 18:41:43,162 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:43,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,163 INFO L85 PathProgramCache]: Analyzing trace with hash -902753231, now seen corresponding path program 1 times [2022-04-18 18:41:43,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361463242] [2022-04-18 18:41:43,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,252 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 18:41:43,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361463242] [2022-04-18 18:41:43,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361463242] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190896057] [2022-04-18 18:41:43,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,254 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,256 INFO L87 Difference]: Start difference. First operand 434 states and 793 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,325 INFO L93 Difference]: Finished difference Result 441 states and 806 transitions. [2022-04-18 18:41:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 18:41:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,328 INFO L225 Difference]: With dead ends: 441 [2022-04-18 18:41:43,328 INFO L226 Difference]: Without dead ends: 441 [2022-04-18 18:41:43,329 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 18:41:43,331 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,333 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:43,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-04-18 18:41:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2022-04-18 18:41:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 421 states have (on average 1.9144893111638954) internal successors, (806), 440 states have internal predecessors, (806), 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 18:41:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 806 transitions. [2022-04-18 18:41:43,349 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 806 transitions. Word has length 9 [2022-04-18 18:41:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,349 INFO L478 AbstractCegarLoop]: Abstraction has 441 states and 806 transitions. [2022-04-18 18:41:43,349 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 806 transitions. [2022-04-18 18:41:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 18:41:43,351 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,352 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,352 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 18:41:43,352 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:43,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,353 INFO L85 PathProgramCache]: Analyzing trace with hash -208440100, now seen corresponding path program 1 times [2022-04-18 18:41:43,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286215346] [2022-04-18 18:41:43,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,407 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 18:41:43,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286215346] [2022-04-18 18:41:43,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286215346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147596977] [2022-04-18 18:41:43,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,410 INFO L87 Difference]: Start difference. First operand 441 states and 806 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,480 INFO L93 Difference]: Finished difference Result 458 states and 838 transitions. [2022-04-18 18:41:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 18:41:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,483 INFO L225 Difference]: With dead ends: 458 [2022-04-18 18:41:43,483 INFO L226 Difference]: Without dead ends: 458 [2022-04-18 18:41:43,484 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 18:41:43,486 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,488 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:43,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-04-18 18:41:43,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 444. [2022-04-18 18:41:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 427 states have (on average 1.899297423887588) internal successors, (811), 443 states have internal predecessors, (811), 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 18:41:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 811 transitions. [2022-04-18 18:41:43,502 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 811 transitions. Word has length 9 [2022-04-18 18:41:43,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,502 INFO L478 AbstractCegarLoop]: Abstraction has 444 states and 811 transitions. [2022-04-18 18:41:43,502 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 811 transitions. [2022-04-18 18:41:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-18 18:41:43,504 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,504 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,504 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 18:41:43,504 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,506 INFO L85 PathProgramCache]: Analyzing trace with hash -594895657, now seen corresponding path program 1 times [2022-04-18 18:41:43,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777422058] [2022-04-18 18:41:43,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,565 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 18:41:43,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777422058] [2022-04-18 18:41:43,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777422058] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 18:41:43,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477058521] [2022-04-18 18:41:43,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,567 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,568 INFO L87 Difference]: Start difference. First operand 444 states and 811 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18:41:43,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,591 INFO L93 Difference]: Finished difference Result 65 states and 64 transitions. [2022-04-18 18:41:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-04-18 18:41:43,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,592 INFO L225 Difference]: With dead ends: 65 [2022-04-18 18:41:43,592 INFO L226 Difference]: Without dead ends: 65 [2022-04-18 18:41:43,592 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 18:41:43,593 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,593 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 13 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:43,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-18 18:41:43,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-04-18 18:41:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 64 states have internal predecessors, (64), 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 18:41:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 64 transitions. [2022-04-18 18:41:43,596 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 64 transitions. Word has length 11 [2022-04-18 18:41:43,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,596 INFO L478 AbstractCegarLoop]: Abstraction has 65 states and 64 transitions. [2022-04-18 18:41:43,596 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18:41:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 64 transitions. [2022-04-18 18:41:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-18 18:41:43,597 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,597 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,597 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 18:41:43,597 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash -729684142, now seen corresponding path program 1 times [2022-04-18 18:41:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596137328] [2022-04-18 18:41:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,659 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 18:41:43,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596137328] [2022-04-18 18:41:43,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596137328] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677512728] [2022-04-18 18:41:43,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,660 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,661 INFO L87 Difference]: Start difference. First operand 65 states and 64 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,696 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2022-04-18 18:41:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-04-18 18:41:43,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,698 INFO L225 Difference]: With dead ends: 63 [2022-04-18 18:41:43,698 INFO L226 Difference]: Without dead ends: 49 [2022-04-18 18:41:43,698 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 18:41:43,699 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,699 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:43,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-18 18:41:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-04-18 18:41:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 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 18:41:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2022-04-18 18:41:43,701 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 15 [2022-04-18 18:41:43,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,702 INFO L478 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2022-04-18 18:41:43,702 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2022-04-18 18:41:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-18 18:41:43,702 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,703 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,703 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 18:41:43,703 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 18:41:43,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1768261290, now seen corresponding path program 1 times [2022-04-18 18:41:43,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009695135] [2022-04-18 18:41:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,735 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 18:41:43,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009695135] [2022-04-18 18:41:43,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009695135] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622817743] [2022-04-18 18:41:43,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,737 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,738 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:41:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,766 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2022-04-18 18:41:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2022-04-18 18:41:43,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,767 INFO L225 Difference]: With dead ends: 47 [2022-04-18 18:41:43,767 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 18:41:43,768 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 18:41:43,769 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,769 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 18:41:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 18:41:43,770 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 18:41:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 18:41:43,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-04-18 18:41:43,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,771 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 18:41:43,771 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:41:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 18:41:43,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 18:41:43,773 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-04-18 18:41:43,774 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-04-18 18:41:43,775 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-04-18 18:41:43,775 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-04-18 18:41:43,775 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-04-18 18:41:43,777 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-04-18 18:41:43,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-04-18 18:41:43,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2022-04-18 18:41:43,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2022-04-18 18:41:43,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2022-04-18 18:41:43,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2022-04-18 18:41:43,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-04-18 18:41:43,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-04-18 18:41:43,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-04-18 18:41:43,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-04-18 18:41:43,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-04-18 18:41:43,780 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 18:41:43,782 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,787 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 18:41:43,788 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 18:41:43,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:41:43 BasicIcfg [2022-04-18 18:41:43,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 18:41:43,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 18:41:43,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 18:41:43,793 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 18:41:43,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:39" (3/4) ... [2022-04-18 18:41:43,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 18:41:43,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 18:41:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-04-18 18:41:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-04-18 18:41:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 18:41:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 18:41:43,846 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 18:41:43,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 18:41:43,847 INFO L158 Benchmark]: Toolchain (without parser) took 5500.00ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 57.5MB in the beginning and 44.8MB in the end (delta: 12.7MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,847 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:43,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.73ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 38.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 88.1MB. Free memory was 38.5MB in the beginning and 36.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,848 INFO L158 Benchmark]: Boogie Preprocessor took 26.05ms. Allocated memory is still 88.1MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:43,848 INFO L158 Benchmark]: RCFGBuilder took 454.89ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 34.9MB in the beginning and 78.5MB in the end (delta: -43.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,849 INFO L158 Benchmark]: TraceAbstraction took 4506.27ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 48.0MB in the end (delta: 30.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,849 INFO L158 Benchmark]: Witness Printer took 52.79ms. Allocated memory is still 134.2MB. Free memory was 48.0MB in the beginning and 44.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.73ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 38.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.51ms. Allocated memory is still 88.1MB. Free memory was 38.5MB in the beginning and 36.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.05ms. Allocated memory is still 88.1MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.89ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 34.9MB in the beginning and 78.5MB in the end (delta: -43.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4506.27ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 48.0MB in the end (delta: 30.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Witness Printer took 52.79ms. Allocated memory is still 134.2MB. Free memory was 48.0MB in the beginning and 44.8MB 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: 3.2s, 145 PlacesBefore, 51 PlacesAfterwards, 145 TransitionsBefore, 50 TransitionsAfterwards, 4048 CoEnabledTransitionPairs, 13 FixpointIterations, 53 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 140 TotalNumberOfCompositions, 24837 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7376, positive: 6461, positive conditional: 0, positive unconditional: 6461, negative: 915, negative conditional: 0, negative unconditional: 915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3105, positive: 2986, positive conditional: 0, positive unconditional: 2986, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3105, positive: 2666, positive conditional: 0, positive unconditional: 2666, negative: 439, negative conditional: 0, negative unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 439, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 309, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7376, positive: 3475, positive conditional: 0, positive unconditional: 3475, negative: 796, negative conditional: 0, negative unconditional: 796, unknown: 3105, unknown conditional: 0, unknown unconditional: 3105] , Statistics on independence cache: Total cache size (in pairs): 379, Positive cache size: 309, Positive conditional cache size: 0, Positive unconditional cache size: 309, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70 - 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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 3 procedures, 186 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 371 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 115 mSDtfsCounter, 371 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=457occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 112 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 18:41:43,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE