/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 07:05:57,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 07:05:57,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 07:05:57,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 07:05:57,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 07:05:57,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 07:05:57,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 07:05:57,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 07:05:57,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 07:05:57,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 07:05:57,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 07:05:57,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 07:05:57,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 07:05:57,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 07:05:57,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 07:05:57,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 07:05:57,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 07:05:57,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 07:05:57,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 07:05:57,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 07:05:57,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 07:05:57,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 07:05:57,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 07:05:57,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 07:05:57,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 07:05:57,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 07:05:57,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 07:05:57,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 07:05:57,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 07:05:57,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 07:05:57,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 07:05:57,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 07:05:57,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 07:05:57,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 07:05:57,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 07:05:57,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 07:05:57,756 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 07:05:57,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 07:05:57,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 07:05:57,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 07:05:57,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 07:05:57,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 07:05:57,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 07:05:57,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 07:05:57,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 07:05:57,772 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 07:05:57,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 07:05:57,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 07:05:57,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 07:05:57,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 07:05:57,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 07:05:57,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:05:57,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 07:05:57,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 07:05:57,776 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 07:05:57,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 07:05:57,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 07:05:57,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 07:05:57,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 07:05:57,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 07:05:57,965 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 07:05:57,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-02-19 07:05:58,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/652834549/eb3a55917fd049e6a836264b04d7b9bd/FLAG78c7c46b5 [2022-02-19 07:05:58,416 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 07:05:58,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-02-19 07:05:58,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/652834549/eb3a55917fd049e6a836264b04d7b9bd/FLAG78c7c46b5 [2022-02-19 07:05:58,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/652834549/eb3a55917fd049e6a836264b04d7b9bd [2022-02-19 07:05:58,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 07:05:58,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 07:05:58,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 07:05:58,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 07:05:58,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 07:05:58,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df0893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58, skipping insertion in model container [2022-02-19 07:05:58,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 07:05:58,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 07:05:58,641 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_1_neg.i[1097,1110] [2022-02-19 07:05:58,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:05:58,778 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 07:05:58,789 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_1_neg.i[1097,1110] [2022-02-19 07:05:58,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:05:58,856 INFO L208 MainTranslator]: Completed translation [2022-02-19 07:05:58,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58 WrapperNode [2022-02-19 07:05:58,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 07:05:58,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 07:05:58,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 07:05:58,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 07:05:58,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,901 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-02-19 07:05:58,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 07:05:58,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 07:05:58,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 07:05:58,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 07:05:58,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 07:05:58,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 07:05:58,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 07:05:58,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 07:05:58,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (1/1) ... [2022-02-19 07:05:58,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:05:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:05:58,943 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) [2022-02-19 07:05:58,949 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 [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 07:05:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 07:05:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 07:05:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 07:05:58,974 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 07:05:59,070 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 07:05:59,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 07:05:59,188 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 07:05:59,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 07:05:59,193 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 07:05:59,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:05:59 BoogieIcfgContainer [2022-02-19 07:05:59,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 07:05:59,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 07:05:59,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 07:05:59,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 07:05:59,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 07:05:58" (1/3) ... [2022-02-19 07:05:59,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f27cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:05:59, skipping insertion in model container [2022-02-19 07:05:59,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:05:58" (2/3) ... [2022-02-19 07:05:59,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f27cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:05:59, skipping insertion in model container [2022-02-19 07:05:59,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:05:59" (3/3) ... [2022-02-19 07:05:59,200 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2022-02-19 07:05:59,203 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 07:05:59,203 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 07:05:59,203 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 07:05:59,203 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 07:05:59,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:05:59,243 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 07:05:59,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:05:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:05:59,278 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) [2022-02-19 07:05:59,279 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 [2022-02-19 07:05:59,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:05:59,304 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=false, mMcrOverapproximateWrwc=false [2022-02-19 07:05:59,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 07:05:59,348 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-02-19 07:05:59,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-19 07:05:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:05:59,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-02-19 07:05:59,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:05:59,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874979116] [2022-02-19 07:05:59,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:05:59,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:05:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:05:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:05:59,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:05:59,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874979116] [2022-02-19 07:05:59,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874979116] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:05:59,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:05:59,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 07:05:59,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744557701] [2022-02-19 07:05:59,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:05:59,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 07:05:59,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:05:59,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 07:05:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 07:05:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:05:59,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:05:59,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-02-19 07:05:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:05:59,701 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-02-19 07:05:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 07:05:59,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 07:05:59,707 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-19 07:05:59,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:05:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash -741197526, now seen corresponding path program 1 times [2022-02-19 07:05:59,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:05:59,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942898461] [2022-02-19 07:05:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:05:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:05:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:05:59,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 07:05:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:05:59,772 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 07:05:59,773 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 07:05:59,774 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 07:05:59,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 07:05:59,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-19 07:05:59,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 07:05:59,780 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-19 07:05:59,783 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 07:05:59,783 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 07:05:59,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 07:05:59 BasicIcfg [2022-02-19 07:05:59,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 07:05:59,805 INFO L158 Benchmark]: Toolchain (without parser) took 1370.47ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 143.7MB in the beginning and 170.2MB in the end (delta: -26.5MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,806 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 07:05:59,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.32ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 143.6MB in the beginning and 233.1MB in the end (delta: -89.5MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.66ms. Allocated memory is still 270.5MB. Free memory was 233.1MB in the beginning and 231.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,807 INFO L158 Benchmark]: Boogie Preprocessor took 13.45ms. Allocated memory is still 270.5MB. Free memory was 231.0MB in the beginning and 230.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,807 INFO L158 Benchmark]: RCFGBuilder took 278.14ms. Allocated memory is still 270.5MB. Free memory was 229.4MB in the beginning and 217.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,808 INFO L158 Benchmark]: TraceAbstraction took 609.41ms. Allocated memory is still 270.5MB. Free memory was 216.9MB in the beginning and 170.2MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2022-02-19 07:05:59,810 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 203.4MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 421.32ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 143.6MB in the beginning and 233.1MB in the end (delta: -89.5MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.66ms. Allocated memory is still 270.5MB. Free memory was 233.1MB in the beginning and 231.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.45ms. Allocated memory is still 270.5MB. Free memory was 231.0MB in the beginning and 230.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 278.14ms. Allocated memory is still 270.5MB. Free memory was 229.4MB in the beginning and 217.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 609.41ms. Allocated memory is still 270.5MB. Free memory was 216.9MB in the beginning and 170.2MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. 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()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-02-19 07:05:59,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 07:06:00,043 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...