/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:43,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:43,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:43,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:20:43,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:20:43,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:20:43,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:20:43,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:20:43,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:20:43,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:20:43,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:20:43,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:20:43,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:43,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:43,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:43,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:43,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:43,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:43,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:43,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:43,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:43,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:43,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:43,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:43,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:20:43,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:20:43,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:20:43,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:20:43,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:20:43,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 18:20:43,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 18:20:43,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 18:20:43,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 18:20:43,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 18:20:43,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 18:20:43,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 18:20:43,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 18:20:43,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 18:20:43,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:43,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:43,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:43,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 18:20:43,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:43,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:43,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:43,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:43,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:43,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:43,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:43,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:43,594 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:43,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:43,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:43,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:43,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:43,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:43,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:43,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:43,598 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:43,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:43,598 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:43,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:43,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:43,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:43,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:43,829 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:43,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-03-03 18:20:43,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb709579/9ac0b37139f84554afacb624eb0250ce/FLAG3cfc48ccb [2022-03-03 18:20:44,404 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:44,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-03-03 18:20:44,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb709579/9ac0b37139f84554afacb624eb0250ce/FLAG3cfc48ccb [2022-03-03 18:20:44,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb709579/9ac0b37139f84554afacb624eb0250ce [2022-03-03 18:20:44,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:44,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:44,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:44,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:44,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:44,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:44" (1/1) ... [2022-03-03 18:20:44,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786e1ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:44, skipping insertion in model container [2022-03-03 18:20:44,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:44" (1/1) ... [2022-03-03 18:20:44,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:44,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:45,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:45,162 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:45,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:45,259 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:45,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45 WrapperNode [2022-03-03 18:20:45,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:45,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:45,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:45,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:45,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,321 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-03-03 18:20:45,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:45,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:45,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:45,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:45,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:45,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:45,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:45,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:45,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (1/1) ... [2022-03-03 18:20:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:45,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 18:20:45,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:45,450 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:20:45,576 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:45,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:45,734 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:45,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:45,741 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:20:45,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:45 BoogieIcfgContainer [2022-03-03 18:20:45,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:45,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:45,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:45,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:45,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:44" (1/3) ... [2022-03-03 18:20:45,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38666094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:45, skipping insertion in model container [2022-03-03 18:20:45,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:45" (2/3) ... [2022-03-03 18:20:45,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38666094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:45, skipping insertion in model container [2022-03-03 18:20:45,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:45" (3/3) ... [2022-03-03 18:20:45,751 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2022-03-03 18:20:45,757 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:45,757 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:45,757 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-03 18:20:45,757 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:45,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,788 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,788 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,788 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,797 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,798 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:45,800 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:20:45,837 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:45,843 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:20:45,844 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-03 18:20:45,854 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 82 transitions, 169 flow [2022-03-03 18:20:45,926 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 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) [2022-03-03 18:20:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 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) [2022-03-03 18:20:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-03 18:20:45,935 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:45,936 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:45,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 634198338, now seen corresponding path program 1 times [2022-03-03 18:20:45,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:45,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782210399] [2022-03-03 18:20:45,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:46,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:46,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782210399] [2022-03-03 18:20:46,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782210399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:46,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:46,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:46,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574743552] [2022-03-03 18:20:46,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:46,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:46,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:46,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:46,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,279 INFO L87 Difference]: Start difference. First operand has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-03-03 18:20:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:46,383 INFO L93 Difference]: Finished difference Result 665 states and 1285 transitions. [2022-03-03 18:20:46,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:46,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-03-03 18:20:46,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:46,412 INFO L225 Difference]: With dead ends: 665 [2022-03-03 18:20:46,412 INFO L226 Difference]: Without dead ends: 665 [2022-03-03 18:20:46,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,418 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 48 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:46,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 184 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:46,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-03-03 18:20:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 565. [2022-03-03 18:20:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 558 states have (on average 1.9516129032258065) internal successors, (1089), 564 states have internal predecessors, (1089), 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) [2022-03-03 18:20:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1089 transitions. [2022-03-03 18:20:46,509 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1089 transitions. Word has length 32 [2022-03-03 18:20:46,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:46,510 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 1089 transitions. [2022-03-03 18:20:46,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-03-03 18:20:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1089 transitions. [2022-03-03 18:20:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-03 18:20:46,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:46,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:46,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:46,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:46,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1742084075, now seen corresponding path program 1 times [2022-03-03 18:20:46,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:46,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541362980] [2022-03-03 18:20:46,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:46,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:46,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541362980] [2022-03-03 18:20:46,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541362980] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:46,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:46,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:46,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708730004] [2022-03-03 18:20:46,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:46,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:46,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,632 INFO L87 Difference]: Start difference. First operand 565 states and 1089 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-03 18:20:46,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:46,660 INFO L93 Difference]: Finished difference Result 586 states and 1112 transitions. [2022-03-03 18:20:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:46,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-03 18:20:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:46,662 INFO L225 Difference]: With dead ends: 586 [2022-03-03 18:20:46,662 INFO L226 Difference]: Without dead ends: 436 [2022-03-03 18:20:46,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,664 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 37 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:46,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 177 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:46,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-03-03 18:20:46,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 422. [2022-03-03 18:20:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 416 states have (on average 1.8413461538461537) internal successors, (766), 421 states have internal predecessors, (766), 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) [2022-03-03 18:20:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 766 transitions. [2022-03-03 18:20:46,674 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 766 transitions. Word has length 37 [2022-03-03 18:20:46,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:46,674 INFO L470 AbstractCegarLoop]: Abstraction has 422 states and 766 transitions. [2022-03-03 18:20:46,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-03 18:20:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 766 transitions. [2022-03-03 18:20:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-03 18:20:46,676 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:46,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:46,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:46,677 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash -859917457, now seen corresponding path program 1 times [2022-03-03 18:20:46,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:46,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471701998] [2022-03-03 18:20:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:46,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:46,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:46,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471701998] [2022-03-03 18:20:46,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471701998] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:46,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:46,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:46,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642368041] [2022-03-03 18:20:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:46,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:46,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,740 INFO L87 Difference]: Start difference. First operand 422 states and 766 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-03 18:20:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:46,766 INFO L93 Difference]: Finished difference Result 424 states and 759 transitions. [2022-03-03 18:20:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:46,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-03-03 18:20:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:46,768 INFO L225 Difference]: With dead ends: 424 [2022-03-03 18:20:46,768 INFO L226 Difference]: Without dead ends: 316 [2022-03-03 18:20:46,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:46,770 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 17 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:46,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 153 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:46,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-03-03 18:20:46,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-03-03 18:20:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 312 states have (on average 1.7083333333333333) internal successors, (533), 315 states have internal predecessors, (533), 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) [2022-03-03 18:20:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 533 transitions. [2022-03-03 18:20:46,779 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 533 transitions. Word has length 43 [2022-03-03 18:20:46,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:46,779 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 533 transitions. [2022-03-03 18:20:46,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-03 18:20:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 533 transitions. [2022-03-03 18:20:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-03 18:20:46,781 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:46,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:46,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:46,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:46,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:46,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1228158006, now seen corresponding path program 1 times [2022-03-03 18:20:46,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:46,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324235465] [2022-03-03 18:20:46,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:46,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:46,808 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:20:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:46,847 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:20:46,847 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:20:46,848 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-03 18:20:46,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-03 18:20:46,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-03-03 18:20:46,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-03-03 18:20:46,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-03 18:20:46,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-03 18:20:46,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-03 18:20:46,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:46,857 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-03 18:20:46,862 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:20:46,863 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:20:46,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:20:46 BasicIcfg [2022-03-03 18:20:46,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:20:46,906 INFO L158 Benchmark]: Toolchain (without parser) took 2207.94ms. Allocated memory is still 182.5MB. Free memory was 132.8MB in the beginning and 141.8MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:46,906 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:46,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.57ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 146.0MB in the end (delta: -13.3MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. [2022-03-03 18:20:46,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.21ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 143.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:46,907 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 142.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:46,907 INFO L158 Benchmark]: RCFGBuilder took 388.54ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 129.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 18:20:46,908 INFO L158 Benchmark]: TraceAbstraction took 1160.10ms. Allocated memory is still 182.5MB. Free memory was 129.2MB in the beginning and 141.8MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:46,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 562.57ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 146.0MB in the end (delta: -13.3MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.21ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 143.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 142.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 388.54ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 129.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1160.10ms. Allocated memory is still 182.5MB. Free memory was 129.2MB in the beginning and 141.8MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={4:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={5:0}, m={4:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={4:0}] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=0, id={5:0}, m={4:0}] [L944] 0 i++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={5:0}, m={4:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={5:0}, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={5:0}, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={4:0}] Now there is a data race on ~glob~0 between C: glob++ [946] and C: glob++ [932] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 514 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 317 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:20:46,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...