/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/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 06:43:57,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 06:43:57,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 06:43:58,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 06:43:58,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 06:43:58,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 06:43:58,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 06:43:58,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 06:43:58,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 06:43:58,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 06:43:58,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 06:43:58,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 06:43:58,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 06:43:58,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 06:43:58,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 06:43:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 06:43:58,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 06:43:58,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 06:43:58,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 06:43:58,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 06:43:58,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 06:43:58,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 06:43:58,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 06:43:58,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 06:43:58,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 06:43:58,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 06:43:58,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 06:43:58,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 06:43:58,087 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 [2022-03-02 06:43:58,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 06:43:58,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 06:43:58,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 06:43:58,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 06:43:58,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 06:43:58,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 06:43:58,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 06:43:58,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 06:43:58,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 06:43:58,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:43:58,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 06:43:58,113 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 06:43:58,114 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 06:43:58,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 06:43:58,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 06:43:58,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 06:43:58,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 06:43:58,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 06:43:58,298 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 06:43:58,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2022-03-02 06:43:58,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd20f5c34/38fa01f7f89540adb01b93aed3507cdf/FLAG2ab800a4d [2022-03-02 06:43:58,773 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 06:43:58,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2022-03-02 06:43:58,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd20f5c34/38fa01f7f89540adb01b93aed3507cdf/FLAG2ab800a4d [2022-03-02 06:43:58,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd20f5c34/38fa01f7f89540adb01b93aed3507cdf [2022-03-02 06:43:58,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 06:43:58,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 06:43:58,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 06:43:58,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 06:43:58,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 06:43:58,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:43:58" (1/1) ... [2022-03-02 06:43:58,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6200171b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:58, skipping insertion in model container [2022-03-02 06:43:58,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:43:58" (1/1) ... [2022-03-02 06:43:58,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 06:43:58,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 06:43:58,995 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-03-02 06:43:59,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-03-02 06:43:59,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:43:59,092 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 06:43:59,102 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-03-02 06:43:59,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-03-02 06:43:59,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:43:59,146 INFO L208 MainTranslator]: Completed translation [2022-03-02 06:43:59,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59 WrapperNode [2022-03-02 06:43:59,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 06:43:59,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 06:43:59,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 06:43:59,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 06:43:59,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,199 INFO L137 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2022-03-02 06:43:59,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 06:43:59,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 06:43:59,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 06:43:59,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 06:43:59,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 06:43:59,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 06:43:59,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 06:43:59,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 06:43:59,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (1/1) ... [2022-03-02 06:43:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:43:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:43:59,259 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) [2022-03-02 06:43:59,264 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 [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-03-02 06:43:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-03-02 06:43:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 06:43:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 06:43:59,287 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 06:43:59,354 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 06:43:59,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 06:43:59,458 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 06:43:59,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 06:43:59,463 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-02 06:43:59,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:43:59 BoogieIcfgContainer [2022-03-02 06:43:59,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 06:43:59,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 06:43:59,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 06:43:59,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 06:43:59,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 06:43:58" (1/3) ... [2022-03-02 06:43:59,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0edda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:43:59, skipping insertion in model container [2022-03-02 06:43:59,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:43:59" (2/3) ... [2022-03-02 06:43:59,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0edda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:43:59, skipping insertion in model container [2022-03-02 06:43:59,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:43:59" (3/3) ... [2022-03-02 06:43:59,473 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2022-03-02 06:43:59,476 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 06:43:59,476 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 06:43:59,477 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 06:43:59,477 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 06:43:59,513 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,513 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,513 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,513 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,514 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,515 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,515 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,515 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,515 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,516 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,516 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,516 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,516 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,516 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,517 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,519 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,519 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,520 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,520 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,520 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,520 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:43:59,523 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-02 06:43:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 06:43:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:43:59,554 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) [2022-03-02 06:43:59,555 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 [2022-03-02 06:43:59,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 06:43:59,586 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 [2022-03-02 06:43:59,586 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 06:43:59,661 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62 transitions and produced 63 states. [2022-03-02 06:43:59,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:43:59,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:43:59,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1647222963, now seen corresponding path program 1 times [2022-03-02 06:43:59,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:43:59,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660332962] [2022-03-02 06:43:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:43:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:43:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:43:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:43:59,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:43:59,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660332962] [2022-03-02 06:43:59,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660332962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:43:59,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 06:43:59,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 06:43:59,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887595622] [2022-03-02 06:43:59,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:43:59,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 06:43:59,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:43:59,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 06:43:59,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 06:43:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:43:59,957 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:43:59,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:43:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:43:59,988 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62 transitions and produced 63 states. [2022-03-02 06:43:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:43:59,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 06:43:59,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:43:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:43:59,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1450709458, now seen corresponding path program 1 times [2022-03-02 06:43:59,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:43:59,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681414858] [2022-03-02 06:43:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:43:59,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:00,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:00,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681414858] [2022-03-02 06:44:00,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681414858] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:44:00,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 06:44:00,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 06:44:00,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481657511] [2022-03-02 06:44:00,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:44:00,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 06:44:00,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:00,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 06:44:00,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 06:44:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:00,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:00,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,132 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-03-02 06:44:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:00,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 06:44:00,139 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:00,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:00,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2009823221, now seen corresponding path program 1 times [2022-03-02 06:44:00,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:00,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159278128] [2022-03-02 06:44:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:00,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:00,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:00,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159278128] [2022-03-02 06:44:00,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159278128] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:00,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668980794] [2022-03-02 06:44:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:00,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:00,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:00,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:00,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 06:44:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:00,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 06:44:00,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:00,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 06:44:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:00,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668980794] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 06:44:00,634 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 06:44:00,634 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-02 06:44:00,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054638561] [2022-03-02 06:44:00,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 06:44:00,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-02 06:44:00,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:00,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-02 06:44:00,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-02 06:44:00,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:00,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:00,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:00,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,833 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 98 transitions and produced 97 states. [2022-03-02 06:44:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:00,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:00,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:01,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-02 06:44:01,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:01,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:01,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1859989397, now seen corresponding path program 2 times [2022-03-02 06:44:01,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:01,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260624506] [2022-03-02 06:44:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:01,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:01,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:01,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260624506] [2022-03-02 06:44:01,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260624506] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:01,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395043477] [2022-03-02 06:44:01,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 06:44:01,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:01,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:01,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:01,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 06:44:01,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 06:44:01,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 06:44:01,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 06:44:01,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:01,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 06:44:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:01,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395043477] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 06:44:01,461 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 06:44:01,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-02 06:44:01,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065034888] [2022-03-02 06:44:01,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 06:44:01,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-02 06:44:01,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:01,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-02 06:44:01,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-02 06:44:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:01,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:01,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.111111111111111) internal successors, (92), 18 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:01,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:01,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:01,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:01,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:01,706 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 146 transitions and produced 138 states. [2022-03-02 06:44:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:01,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:01,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:01,926 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:01,927 INFO L85 PathProgramCache]: Analyzing trace with hash -185566933, now seen corresponding path program 3 times [2022-03-02 06:44:01,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:01,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80165378] [2022-03-02 06:44:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:01,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:02,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:02,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80165378] [2022-03-02 06:44:02,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80165378] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:02,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921799] [2022-03-02 06:44:02,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 06:44:02,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:02,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:02,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:02,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 06:44:02,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-02 06:44:02,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 06:44:02,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 06:44:02,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-03-02 06:44:02,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 06:44:02,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:44:02,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-02 06:44:02,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2022-03-02 06:44:02,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371320314] [2022-03-02 06:44:02,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:44:02,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-02 06:44:02,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:02,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-02 06:44:02,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2022-03-02 06:44:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:02,428 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:02,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:02,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:02,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:02,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:02,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:02,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:03,094 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 659 transitions and produced 645 states. [2022-03-02 06:44:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:03,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:03,315 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:03,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash -91214928, now seen corresponding path program 4 times [2022-03-02 06:44:03,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:03,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650901837] [2022-03-02 06:44:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 0 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:03,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:03,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650901837] [2022-03-02 06:44:03,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650901837] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:03,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186109608] [2022-03-02 06:44:03,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 06:44:03,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:03,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:03,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:03,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 06:44:04,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 06:44:04,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 06:44:04,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-02 06:44:04,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 0 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:04,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 06:44:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 0 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:05,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186109608] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 06:44:05,582 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 06:44:05,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 86 [2022-03-02 06:44:05,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615009517] [2022-03-02 06:44:05,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 06:44:05,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-02 06:44:05,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-02 06:44:05,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=5418, Unknown=0, NotChecked=0, Total=7310 [2022-03-02 06:44:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:05,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:05,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.127906976744186) internal successors, (269), 86 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:05,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:05,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:05,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:05,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:05,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:05,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:08,345 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 731 transitions and produced 650 states. [2022-03-02 06:44:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 06:44:08,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:08,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:08,566 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:08,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1060786512, now seen corresponding path program 5 times [2022-03-02 06:44:08,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:08,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628350696] [2022-03-02 06:44:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7209 backedges. 7000 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:11,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:11,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628350696] [2022-03-02 06:44:11,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628350696] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:11,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155176821] [2022-03-02 06:44:11,382 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 06:44:11,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:11,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:11,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:11,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 06:44:11,536 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) [2022-03-02 06:44:11,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 06:44:11,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 88 conjunts are in the unsatisfiable core [2022-03-02 06:44:11,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7209 backedges. 6934 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-03-02 06:44:11,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 06:44:11,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155176821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:44:11,993 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-02 06:44:11,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [109] total 111 [2022-03-02 06:44:11,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668137194] [2022-03-02 06:44:11,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:44:11,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-03-02 06:44:11,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-03-02 06:44:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3030, Invalid=9180, Unknown=0, NotChecked=0, Total=12210 [2022-03-02 06:44:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:12,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:12,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 3.101123595505618) internal successors, (276), 89 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 06:44:12,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:14,563 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 736 transitions and produced 658 states. [2022-03-02 06:44:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 06:44:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-02 06:44:14,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:14,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:14,784 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1466433283, now seen corresponding path program 1 times [2022-03-02 06:44:14,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:14,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290528184] [2022-03-02 06:44:14,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 0 proven. 4515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:17,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:44:17,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290528184] [2022-03-02 06:44:17,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290528184] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 06:44:17,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478297738] [2022-03-02 06:44:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:17,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:44:17,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 06:44:17,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 06:44:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:44:17,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-02 06:44:17,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 06:44:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 0 proven. 4515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:17,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 06:44:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 0 proven. 4515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:44:18,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478297738] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 06:44:18,765 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 06:44:18,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 88, 88] total 88 [2022-03-02 06:44:18,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981703768] [2022-03-02 06:44:18,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 06:44:18,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-03-02 06:44:18,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:44:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-03-02 06:44:18,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2022-03-02 06:44:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:18,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:44:18,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 3.0454545454545454) internal successors, (268), 88 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 06:44:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 06:44:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-03-02 06:44:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:31,964 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6641 transitions and produced 6564 states. [2022-03-02 06:44:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-02 06:44:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-02 06:44:31,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 06:44:32,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 06:44:32,168 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:44:32,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:44:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash 524598547, now seen corresponding path program 6 times [2022-03-02 06:44:32,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:44:32,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157931466] [2022-03-02 06:44:32,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:44:32,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:44:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:44:32,267 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 06:44:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:44:32,372 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 06:44:32,372 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 06:44:32,373 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-02 06:44:32,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 06:44:32,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-02 06:44:32,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-02 06:44:32,383 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2022-03-02 06:44:32,388 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 06:44:32,389 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 06:44:32,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 06:44:32 BasicIcfg [2022-03-02 06:44:32,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 06:44:32,497 INFO L158 Benchmark]: Toolchain (without parser) took 33688.51ms. Allocated memory was 197.1MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 146.0MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-02 06:44:32,497 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 06:44:32,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.51ms. Allocated memory is still 197.1MB. Free memory was 145.7MB in the beginning and 164.8MB in the end (delta: -19.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-03-02 06:44:32,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.51ms. Allocated memory is still 197.1MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 06:44:32,497 INFO L158 Benchmark]: Boogie Preprocessor took 27.79ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 161.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 06:44:32,498 INFO L158 Benchmark]: RCFGBuilder took 235.62ms. Allocated memory is still 197.1MB. Free memory was 161.2MB in the beginning and 149.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-02 06:44:32,498 INFO L158 Benchmark]: TraceAbstraction took 33031.01ms. Allocated memory was 197.1MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 148.6MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-02 06:44:32,499 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 197.1MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 337.51ms. Allocated memory is still 197.1MB. Free memory was 145.7MB in the beginning and 164.8MB in the end (delta: -19.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.51ms. Allocated memory is still 197.1MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.79ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 161.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 235.62ms. Allocated memory is still 197.1MB. Free memory was 161.2MB in the beginning and 149.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 33031.01ms. Allocated memory was 197.1MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 148.6MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. 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: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [cond={4:0}, lock={3:0}] [L699] 0 int x; VAL [cond={4:0}, lock={3:0}, x=0] [L709] 0 pthread_t t; VAL [cond={4:0}, lock={3:0}, t={7:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={4:0}, lock={3:0}, pthread_create( &t, ((void *)0), thread, ((void *)0) )=-1, t={7:0}, x=0] [L713] 0 int i = 0; VAL [arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=1] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=2] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=3] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=4] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=5] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=6] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=7] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=8] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=9] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=10] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=11] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=12] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=13] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=14] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=15] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=16] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=17] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=18] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=19] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=20] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=21] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=22] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=23] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=24] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=25] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=26] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=27] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=28] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=29] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=30] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=31] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=32] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=33] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=34] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=35] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=36] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=37] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=38] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=39] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=40] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40] [L714] 0 x = i VAL [arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=41] [L713] 0 i++ VAL [arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41] [L704] 1 !(x == 42) ? reach_error() : (void)0 VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=41] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=42] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42] [L713] COND FALSE 0 !(i <= 42) VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42] [L716] 0 \read(t) VAL [\read(t)=-1, arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42] [L704] 1 reach_error() VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=42] - UnprovableResult [Line: 712]: 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, 86 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 431, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 2316 NumberOfCodeBlocks, 2291 NumberOfCodeBlocksAsserted, 73 NumberOfCheckSat, 2581 ConstructedInterpolants, 0 QuantifiedInterpolants, 8443 SizeOfPredicates, 224 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 322 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 14321/31154 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! [2022-03-02 06:44:32,522 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 [2022-03-02 06:44:32,739 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...