/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 08:19:29,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 08:19:29,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 08:19:29,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 08:19:29,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 08:19:29,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 08:19:29,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 08:19:29,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 08:19:29,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 08:19:29,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 08:19:29,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 08:19:29,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 08:19:29,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 08:19:29,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 08:19:29,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 08:19:29,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 08:19:29,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 08:19:29,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 08:19:29,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 08:19:29,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 08:19:29,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 08:19:29,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 08:19:29,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 08:19:29,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 08:19:30,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 08:19:30,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 08:19:30,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 08:19:30,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 08:19:30,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 08:19:30,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 08:19:30,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 08:19:30,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 08:19:30,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 08:19:30,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 08:19:30,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 08:19:30,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 08:19:30,009 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 08:19:30,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 08:19:30,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 08:19:30,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 08:19:30,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 08:19:30,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 08:19:30,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 08:19:30,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 08:19:30,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 08:19:30,034 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 08:19:30,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 08:19:30,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 08:19:30,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 08:19:30,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 08:19:30,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 08:19:30,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:19:30,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 08:19:30,037 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 08:19:30,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 08:19:30,038 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 08:19:30,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 08:19:30,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 08:19:30,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 08:19:30,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 08:19:30,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 08:19:30,249 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 08:19:30,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-03-04 08:19:30,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cceb87e/3b802e448f0b4b5480cda5975346ebf5/FLAG82181c46e [2022-03-04 08:19:30,638 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 08:19:30,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-03-04 08:19:30,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cceb87e/3b802e448f0b4b5480cda5975346ebf5/FLAG82181c46e [2022-03-04 08:19:31,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cceb87e/3b802e448f0b4b5480cda5975346ebf5 [2022-03-04 08:19:31,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 08:19:31,045 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 08:19:31,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 08:19:31,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 08:19:31,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 08:19:31,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51274a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31, skipping insertion in model container [2022-03-04 08:19:31,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 08:19:31,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 08:19:31,228 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-03-04 08:19:31,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:19:31,342 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 08:19:31,352 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-03-04 08:19:31,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:19:31,405 INFO L208 MainTranslator]: Completed translation [2022-03-04 08:19:31,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31 WrapperNode [2022-03-04 08:19:31,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 08:19:31,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 08:19:31,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 08:19:31,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 08:19:31,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,453 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-04 08:19:31,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 08:19:31,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 08:19:31,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 08:19:31,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 08:19:31,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 08:19:31,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 08:19:31,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 08:19:31,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 08:19:31,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (1/1) ... [2022-03-04 08:19:31,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:19:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:19:31,494 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) [2022-03-04 08:19:31,502 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 [2022-03-04 08:19:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 08:19:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 08:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 08:19:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 08:19:31,533 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 08:19:31,646 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 08:19:31,648 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 08:19:31,768 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 08:19:31,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 08:19:31,773 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 08:19:31,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:19:31 BoogieIcfgContainer [2022-03-04 08:19:31,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 08:19:31,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 08:19:31,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 08:19:31,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 08:19:31,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 08:19:31" (1/3) ... [2022-03-04 08:19:31,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a3368a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:19:31, skipping insertion in model container [2022-03-04 08:19:31,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:31" (2/3) ... [2022-03-04 08:19:31,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a3368a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:19:31, skipping insertion in model container [2022-03-04 08:19:31,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:19:31" (3/3) ... [2022-03-04 08:19:31,784 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-03-04 08:19:31,788 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 08:19:31,788 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 08:19:31,788 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 08:19:31,788 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 08:19:31,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:31,834 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 08:19:31,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 08:19:31,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:19:31,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 08:19:31,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 08:19:31,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 08:19:31,908 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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 [2022-03-04 08:19:31,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 08:19:31,966 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-04 08:19:31,968 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-04 08:19:31,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:19:31,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-04 08:19:31,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:19:31,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605114515] [2022-03-04 08:19:31,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:19:31,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:19:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:19:32,129 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 08:19:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:19:32,197 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 08:19:32,198 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 08:19:32,199 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-04 08:19:32,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 08:19:32,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-04 08:19:32,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 08:19:32,208 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-04 08:19:32,212 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 08:19:32,212 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 08:19:32,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 08:19:32 BasicIcfg [2022-03-04 08:19:32,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 08:19:32,252 INFO L158 Benchmark]: Toolchain (without parser) took 1206.40ms. Allocated memory was 166.7MB in the beginning and 222.3MB in the end (delta: 55.6MB). Free memory was 114.0MB in the beginning and 143.6MB in the end (delta: -29.6MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,252 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory was 131.8MB in the beginning and 131.7MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:19:32,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.67ms. Allocated memory was 166.7MB in the beginning and 222.3MB in the end (delta: 55.6MB). Free memory was 113.8MB in the beginning and 189.7MB in the end (delta: -76.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.44ms. Allocated memory is still 222.3MB. Free memory was 189.7MB in the beginning and 188.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,253 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 186.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,254 INFO L158 Benchmark]: RCFGBuilder took 303.35ms. Allocated memory is still 222.3MB. Free memory was 186.6MB in the beginning and 175.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,254 INFO L158 Benchmark]: TraceAbstraction took 475.12ms. Allocated memory is still 222.3MB. Free memory was 174.6MB in the beginning and 143.6MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-04 08:19:32,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory was 131.8MB in the beginning and 131.7MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 358.67ms. Allocated memory was 166.7MB in the beginning and 222.3MB in the end (delta: 55.6MB). Free memory was 113.8MB in the beginning and 189.7MB in the end (delta: -76.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.44ms. Allocated memory is still 222.3MB. Free memory was 189.7MB in the beginning and 188.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 186.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 303.35ms. Allocated memory is still 222.3MB. Free memory was 186.6MB in the beginning and 175.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 475.12ms. Allocated memory is still 222.3MB. Free memory was 174.6MB in the beginning and 143.6MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2022-03-04 08:19:32,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 08:19:32,485 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...