./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_67-pthread_cond_wait_unknown_1_neg.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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:45:43,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:45:43,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:45:43,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:45:43,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:45:43,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:45:43,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:45:43,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:45:43,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:45:43,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:45:43,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:45:43,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:45:43,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:45:43,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:45:43,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:45:43,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:45:43,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:45:43,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:45:43,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:45:43,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:45:43,295 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:45:43,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:45:43,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:45:43,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:45:43,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:45:43,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:45:43,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:45:43,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:45:43,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:45:43,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:45:43,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:45:43,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:45:43,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:45:43,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:45:43,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:45:43,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:45:43,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:45:43,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:45:43,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:45:43,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:45:43,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:45:43,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:45:43,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 16:45:43,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:45:43,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:45:43,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:45:43,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:45:43,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:45:43,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:45:43,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:45:43,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:45:43,334 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:45:43,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:45:43,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:45:43,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:45:43,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:45:43,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:45:43,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:45:43,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:45:43,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:45:43,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:45:43,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:45:43,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 16:45:43,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:45:43,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:43,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:45:43,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:45:43,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:45:43,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:45:43,339 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 16:45:43,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:45:43,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:45:43,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 16:45:43,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:45:43,340 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 16:45:43,340 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 16:45:43,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2022-04-18 16:45:43,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:45:43,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:45:43,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:45:43,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:45:43,557 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:45:43,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-04-18 16:45:43,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c78167fc5/95293c17d7224fa3af1691032a2f4bf8/FLAG1880c6fc2 [2022-04-18 16:45:44,045 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:45:44,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-04-18 16:45:44,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c78167fc5/95293c17d7224fa3af1691032a2f4bf8/FLAG1880c6fc2 [2022-04-18 16:45:44,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c78167fc5/95293c17d7224fa3af1691032a2f4bf8 [2022-04-18 16:45:44,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:45:44,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:45:44,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:44,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:45:44,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:45:44,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d3f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44, skipping insertion in model container [2022-04-18 16:45:44,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:45:44,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:45:44,270 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-04-18 16:45:44,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:44,571 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:45:44,578 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-04-18 16:45:44,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:44,661 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:45:44,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44 WrapperNode [2022-04-18 16:45:44,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:44,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:44,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:45:44,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:45:44,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,733 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-04-18 16:45:44,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:44,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:45:44,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:45:44,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:45:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:45:44,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:45:44,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:45:44,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:45:44,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (1/1) ... [2022-04-18 16:45:44,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:44,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:44,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:45:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-04-18 16:45:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-04-18 16:45:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-04-18 16:45:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:45:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 16:45:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:45:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:45:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:45:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:45:44,848 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:45:45,052 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:45:45,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:45:45,254 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:45:45,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:45:45,262 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:45:45,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:45 BoogieIcfgContainer [2022-04-18 16:45:45,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:45:45,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:45:45,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:45:45,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:45:45,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:45:44" (1/3) ... [2022-04-18 16:45:45,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5784fcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:45, skipping insertion in model container [2022-04-18 16:45:45,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:44" (2/3) ... [2022-04-18 16:45:45,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5784fcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:45, skipping insertion in model container [2022-04-18 16:45:45,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:45" (3/3) ... [2022-04-18 16:45:45,272 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-04-18 16:45:45,276 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:45:45,276 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:45:45,276 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-04-18 16:45:45,276 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:45:45,329 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 16:45:45,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:45,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:45,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:45,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 16:45:45,405 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork0 ======== [2022-04-18 16:45:45,412 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=PARTIAL_ORDER_FA, 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 16:45:45,413 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-04-18 16:45:45,520 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [f2Err0ASSERT_VIOLATIONDATA_RACE, f2Err1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:45,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1095748625, now seen corresponding path program 1 times [2022-04-18 16:45:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:45,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412728217] [2022-04-18 16:45:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:45,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:45,845 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 16:45:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:45,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412728217] [2022-04-18 16:45:45,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412728217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:45,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:45,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:45,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941211749] [2022-04-18 16:45:45,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:45,852 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:45,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:45,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:45,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:45,872 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:45,873 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 16:45:45,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:45,980 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:45:45,981 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [f2Err0ASSERT_VIOLATIONDATA_RACE, f2Err1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:45,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:45,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1743806749, now seen corresponding path program 1 times [2022-04-18 16:45:45,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:45,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129292696] [2022-04-18 16:45:45,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:45,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,099 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 16:45:46,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129292696] [2022-04-18 16:45:46,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129292696] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:46,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073195090] [2022-04-18 16:45:46,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,101 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,103 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,104 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 16:45:46,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,182 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:45:46,183 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [f2Err0ASSERT_VIOLATIONDATA_RACE, f2Err1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:46,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1814604248, now seen corresponding path program 1 times [2022-04-18 16:45:46,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093049563] [2022-04-18 16:45:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,284 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 16:45:46,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093049563] [2022-04-18 16:45:46,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093049563] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:46,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962097912] [2022-04-18 16:45:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,290 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,292 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,295 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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 16:45:46,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,334 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:45:46,334 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [f2Err0ASSERT_VIOLATIONDATA_RACE, f2Err1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1489779889, now seen corresponding path program 1 times [2022-04-18 16:45:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871034376] [2022-04-18 16:45:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,394 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 16:45:46,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871034376] [2022-04-18 16:45:46,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871034376] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:46,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177439832] [2022-04-18 16:45:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,396 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,397 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,397 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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 16:45:46,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-04-18 16:45:46,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-04-18 16:45:46,592 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:45:46,601 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 16:45:46,601 INFO L306 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork0 was SAFE,SAFE (1/3) [2022-04-18 16:45:46,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:46,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:46,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:46,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-04-18 16:45:46,610 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 16:45:46,611 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=PARTIAL_ORDER_FA, 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 16:45:46,611 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-04-18 16:45:46,652 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-04-18 16:45:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1038151741, now seen corresponding path program 1 times [2022-04-18 16:45:46,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903979770] [2022-04-18 16:45:46,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,720 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 16:45:46,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903979770] [2022-04-18 16:45:46,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903979770] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441505194] [2022-04-18 16:45:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,726 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,727 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,727 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 16:45:46,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:45:46,768 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-04-18 16:45:46,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1192588214, now seen corresponding path program 1 times [2022-04-18 16:45:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577005000] [2022-04-18 16:45:46,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,820 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 16:45:46,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577005000] [2022-04-18 16:45:46,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577005000] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:46,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874347685] [2022-04-18 16:45:46,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,822 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,823 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,823 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 16:45:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,839 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:45:46,839 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-04-18 16:45:46,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1052668138, now seen corresponding path program 1 times [2022-04-18 16:45:46,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057462434] [2022-04-18 16:45:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:46,904 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 16:45:46,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:46,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057462434] [2022-04-18 16:45:46,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057462434] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:46,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:46,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192186199] [2022-04-18 16:45:46,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:46,906 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:46,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:46,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:46,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,907 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:46,907 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 16:45:46,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:46,919 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:45:46,919 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-04-18 16:45:46,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715786, now seen corresponding path program 1 times [2022-04-18 16:45:46,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461386476] [2022-04-18 16:45:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,036 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 16:45:47,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461386476] [2022-04-18 16:45:47,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461386476] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:47,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845883254] [2022-04-18 16:45:47,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,037 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:47,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,039 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,039 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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 16:45:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:47,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:45:47,106 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-04-18 16:45:47,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1550664596, now seen corresponding path program 1 times [2022-04-18 16:45:47,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872145550] [2022-04-18 16:45:47,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,206 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 16:45:47,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872145550] [2022-04-18 16:45:47,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872145550] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:47,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084098533] [2022-04-18 16:45:47,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:47,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:47,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,209 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,209 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 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 16:45:47,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:47,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:47,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-04-18 16:45:47,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-04-18 16:45:47,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-04-18 16:45:47,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-04-18 16:45:47,503 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:45:47,506 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 16:45:47,506 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/3) [2022-04-18 16:45:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:47,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:47,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:47,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-04-18 16:45:47,555 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f1Thread1of1ForFork1 ======== [2022-04-18 16:45:47,556 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=PARTIAL_ORDER_FA, 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 16:45:47,556 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-04-18 16:45:47,601 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [f1Err0ASSERT_VIOLATIONDATA_RACE, f1Err1ASSERT_VIOLATIONDATA_RACE, f1Err2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:47,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,602 INFO L85 PathProgramCache]: Analyzing trace with hash -703397708, now seen corresponding path program 1 times [2022-04-18 16:45:47,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050360257] [2022-04-18 16:45:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:47,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050360257] [2022-04-18 16:45:47,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050360257] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:47,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350320506] [2022-04-18 16:45:47,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,632 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:47,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:47,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,633 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,633 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 16:45:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,660 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:45:47,660 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [f1Err0ASSERT_VIOLATIONDATA_RACE, f1Err1ASSERT_VIOLATIONDATA_RACE, f1Err2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash -761033196, now seen corresponding path program 1 times [2022-04-18 16:45:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795983120] [2022-04-18 16:45:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,694 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 16:45:47,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795983120] [2022-04-18 16:45:47,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795983120] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:47,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622468698] [2022-04-18 16:45:47,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,696 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:47,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:47,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,697 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,697 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 16:45:47,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,711 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:45:47,711 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [f1Err0ASSERT_VIOLATIONDATA_RACE, f1Err1ASSERT_VIOLATIONDATA_RACE, f1Err2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:47,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1920741044, now seen corresponding path program 1 times [2022-04-18 16:45:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801067967] [2022-04-18 16:45:47,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,743 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 16:45:47,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801067967] [2022-04-18 16:45:47,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801067967] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:47,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962172201] [2022-04-18 16:45:47,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:47,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:47,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,746 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,746 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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 16:45:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,762 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:45:47,762 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [f1Err0ASSERT_VIOLATIONDATA_RACE, f1Err1ASSERT_VIOLATIONDATA_RACE, f1Err2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:47,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1602726763, now seen corresponding path program 1 times [2022-04-18 16:45:47,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968358226] [2022-04-18 16:45:47,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:47,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968358226] [2022-04-18 16:45:47,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968358226] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:47,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991993543] [2022-04-18 16:45:47,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,796 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:47,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,797 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,797 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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 16:45:47,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:47,964 INFO L788 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-04-18 16:45:47,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-04-18 16:45:47,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-04-18 16:45:47,965 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:45:47,966 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 16:45:47,966 INFO L306 ceAbstractionStarter]: Result for error location f1Thread1of1ForFork1 was SAFE,SAFE,SAFE (3/3) [2022-04-18 16:45:47,967 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:45:47,967 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:45:47,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:45:47 BasicIcfg [2022-04-18 16:45:47,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:45:47,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:45:47,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:45:47,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:45:47,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:45" (3/4) ... [2022-04-18 16:45:47,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:45:47,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-04-18 16:45:47,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-04-18 16:45:47,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-04-18 16:45:47,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-04-18 16:45:47,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:45:47,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:45:48,009 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2022-04-18 16:45:48,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:45:48,010 INFO L158 Benchmark]: Toolchain (without parser) took 3936.47ms. Allocated memory was 107.0MB in the beginning and 239.1MB in the end (delta: 132.1MB). Free memory was 71.2MB in the beginning and 141.4MB in the end (delta: -70.2MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,010 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:45:48,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.54ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 71.0MB in the beginning and 103.5MB in the end (delta: -32.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.25ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,011 INFO L158 Benchmark]: Boogie Preprocessor took 25.60ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 99.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,011 INFO L158 Benchmark]: RCFGBuilder took 503.05ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 81.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,011 INFO L158 Benchmark]: TraceAbstraction took 2704.13ms. Allocated memory was 132.1MB in the beginning and 239.1MB in the end (delta: 107.0MB). Free memory was 80.1MB in the beginning and 144.5MB in the end (delta: -64.4MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,012 INFO L158 Benchmark]: Witness Printer took 37.34ms. Allocated memory is still 239.1MB. Free memory was 144.5MB in the beginning and 141.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:45:48,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.54ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 71.0MB in the beginning and 103.5MB in the end (delta: -32.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.25ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.60ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 99.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.05ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 81.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2704.13ms. Allocated memory was 132.1MB in the beginning and 239.1MB in the end (delta: 107.0MB). Free memory was 80.1MB in the beginning and 144.5MB in the end (delta: -64.4MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. * Witness Printer took 37.34ms. Allocated memory is still 239.1MB. Free memory was 144.5MB in the beginning and 141.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5598, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 235, negative conditional: 203, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5409, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 46, negative conditional: 14, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5409, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 46, negative conditional: 14, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 2210, positive unconditional: 3153, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 509, positive unconditional: 4854, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 509, positive unconditional: 4854, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2980, positive: 2947, positive conditional: 1, positive unconditional: 2946, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2980, positive: 2935, positive conditional: 0, positive unconditional: 2935, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 45, positive conditional: 2, positive unconditional: 43, negative: 51, negative conditional: 4, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5421, positive: 2416, positive conditional: 508, positive unconditional: 1908, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 2980, unknown conditional: 2, unknown unconditional: 2978] , Statistics on independence cache: Total cache size (in pairs): 2980, Positive cache size: 2947, Positive conditional cache size: 1, Positive unconditional cache size: 2946, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 1701, Maximal queried relation: 1, Independence queries for same thread: 189 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1196, Number of trivial persistent sets: 1097, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2977, positive: 2945, positive conditional: 0, positive unconditional: 2945, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5598, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 235, negative conditional: 203, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5409, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 46, negative conditional: 14, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5409, positive: 5363, positive conditional: 2418, positive unconditional: 2945, negative: 46, negative conditional: 14, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 2210, positive unconditional: 3153, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 509, positive unconditional: 4854, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5421, positive: 5363, positive conditional: 509, positive unconditional: 4854, negative: 58, negative conditional: 12, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2980, positive: 2947, positive conditional: 1, positive unconditional: 2946, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2980, positive: 2935, positive conditional: 0, positive unconditional: 2935, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 45, positive conditional: 2, positive unconditional: 43, negative: 51, negative conditional: 4, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5421, positive: 2416, positive conditional: 508, positive unconditional: 1908, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 2980, unknown conditional: 2, unknown unconditional: 2978] , Statistics on independence cache: Total cache size (in pairs): 2980, Positive cache size: 2947, Positive conditional cache size: 1, Positive unconditional cache size: 2946, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 1701, Maximal queried relation: 1, Independence queries for same thread: 189 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8586, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 444, negative conditional: 409, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8207, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 65, negative conditional: 30, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8207, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 65, negative conditional: 30, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 4460, positive unconditional: 3682, negative: 109, negative conditional: 44, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 2177, positive unconditional: 5965, negative: 109, negative conditional: 28, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 2177, positive unconditional: 5965, negative: 109, negative conditional: 28, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3305, positive: 3267, positive conditional: 1, positive unconditional: 3266, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3305, positive: 3255, positive conditional: 0, positive unconditional: 3255, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 48, negative conditional: 10, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8251, positive: 4875, positive conditional: 2176, positive unconditional: 2699, negative: 71, negative conditional: 25, negative unconditional: 46, unknown: 3305, unknown conditional: 4, unknown unconditional: 3301] , Statistics on independence cache: Total cache size (in pairs): 3305, Positive cache size: 3267, Positive conditional cache size: 1, Positive unconditional cache size: 3266, Negative cache size: 38, Negative conditional cache size: 3, Negative unconditional cache size: 35, Eliminated conditions: 2299, Maximal queried relation: 2, Independence queries for same thread: 379 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 2355, Number of trivial persistent sets: 2327, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3300, positive: 3265, positive conditional: 0, positive unconditional: 3265, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8586, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 444, negative conditional: 409, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8207, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 65, negative conditional: 30, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8207, positive: 8142, positive conditional: 4877, positive unconditional: 3265, negative: 65, negative conditional: 30, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 4460, positive unconditional: 3682, negative: 109, negative conditional: 44, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 2177, positive unconditional: 5965, negative: 109, negative conditional: 28, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8251, positive: 8142, positive conditional: 2177, positive unconditional: 5965, negative: 109, negative conditional: 28, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3305, positive: 3267, positive conditional: 1, positive unconditional: 3266, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3305, positive: 3255, positive conditional: 0, positive unconditional: 3255, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 48, negative conditional: 10, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8251, positive: 4875, positive conditional: 2176, positive unconditional: 2699, negative: 71, negative conditional: 25, negative unconditional: 46, unknown: 3305, unknown conditional: 4, unknown unconditional: 3301] , Statistics on independence cache: Total cache size (in pairs): 3305, Positive cache size: 3267, Positive conditional cache size: 1, Positive unconditional cache size: 3266, Negative cache size: 38, Negative conditional cache size: 3, Negative unconditional cache size: 35, Eliminated conditions: 2299, Maximal queried relation: 2, Independence queries for same thread: 379 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5151, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 218, negative conditional: 187, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4986, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 53, negative conditional: 22, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4986, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 53, negative conditional: 22, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 2075, positive unconditional: 2858, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 536, positive unconditional: 4397, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 536, positive unconditional: 4397, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2614, positive: 2581, positive conditional: 1, positive unconditional: 2580, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2614, positive: 2569, positive conditional: 0, positive unconditional: 2569, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 31, positive conditional: 1, positive unconditional: 30, negative: 29, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5006, positive: 2352, positive conditional: 535, positive unconditional: 1817, negative: 40, negative conditional: 18, negative unconditional: 22, unknown: 2614, unknown conditional: 3, unknown unconditional: 2611] , Statistics on independence cache: Total cache size (in pairs): 2614, Positive cache size: 2581, Positive conditional cache size: 1, Positive unconditional cache size: 2580, Negative cache size: 33, Negative conditional cache size: 2, Negative unconditional cache size: 31, Eliminated conditions: 1539, Maximal queried relation: 1, Independence queries for same thread: 165 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 1095, Number of trivial persistent sets: 1043, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2610, positive: 2579, positive conditional: 0, positive unconditional: 2579, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5151, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 218, negative conditional: 187, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4986, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 53, negative conditional: 22, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4986, positive: 4933, positive conditional: 2354, positive unconditional: 2579, negative: 53, negative conditional: 22, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 2075, positive unconditional: 2858, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 536, positive unconditional: 4397, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5006, positive: 4933, positive conditional: 536, positive unconditional: 4397, negative: 73, negative conditional: 20, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2614, positive: 2581, positive conditional: 1, positive unconditional: 2580, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2614, positive: 2569, positive conditional: 0, positive unconditional: 2569, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 31, positive conditional: 1, positive unconditional: 30, negative: 29, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5006, positive: 2352, positive conditional: 535, positive unconditional: 1817, negative: 40, negative conditional: 18, negative unconditional: 22, unknown: 2614, unknown conditional: 3, unknown unconditional: 2611] , Statistics on independence cache: Total cache size (in pairs): 2614, Positive cache size: 2581, Positive conditional cache size: 1, Positive unconditional cache size: 2580, Negative cache size: 33, Negative conditional cache size: 2, Negative unconditional cache size: 31, Eliminated conditions: 1539, Maximal queried relation: 1, Independence queries for same thread: 165 - 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: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 179 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 310 NumberOfCodeBlocks, 310 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 179 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 179 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:45:48,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-04-18 16:45:48,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-04-18 16:45:48,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-04-18 16:45:48,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE