/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 10:44:52,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 10:44:52,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 10:44:52,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 10:44:52,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 10:44:52,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 10:44:52,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 10:44:52,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 10:44:52,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 10:44:52,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 10:44:52,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 10:44:52,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 10:44:52,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 10:44:52,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 10:44:52,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 10:44:52,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 10:44:52,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 10:44:52,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 10:44:52,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 10:44:52,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 10:44:52,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 10:44:52,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 10:44:52,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 10:44:52,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 10:44:52,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 10:44:52,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 10:44:52,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 10:44:52,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 10:44:52,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 10:44:52,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 10:44:52,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 10:44:52,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 10:44:52,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 10:44:52,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 10:44:52,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 10:44:52,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 10:44:52,432 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 10:44:52,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 10:44:52,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 10:44:52,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 10:44:52,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 10:44:52,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 10:44:52,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 10:44:52,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 10:44:52,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 10:44:52,457 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 10:44:52,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 10:44:52,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 10:44:52,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:44:52,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 10:44:52,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 10:44:52,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 10:44:52,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 10:44:52,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 10:44:52,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 10:44:52,622 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 10:44:52,623 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 10:44:52,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2022-02-11 10:44:52,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819da52d2/c0472176ebd74e35822f15f795f82dfd/FLAG5f802045a [2022-02-11 10:44:53,087 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 10:44:53,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2022-02-11 10:44:53,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819da52d2/c0472176ebd74e35822f15f795f82dfd/FLAG5f802045a [2022-02-11 10:44:53,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819da52d2/c0472176ebd74e35822f15f795f82dfd [2022-02-11 10:44:53,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 10:44:53,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 10:44:53,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 10:44:53,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 10:44:53,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 10:44:53,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60251a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53, skipping insertion in model container [2022-02-11 10:44:53,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 10:44:53,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 10:44:53,836 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-deagle/arithmetic_prog_bad.i[39758,39771] [2022-02-11 10:44:53,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:44:53,852 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 10:44:53,886 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-deagle/arithmetic_prog_bad.i[39758,39771] [2022-02-11 10:44:53,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:44:53,933 INFO L208 MainTranslator]: Completed translation [2022-02-11 10:44:53,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53 WrapperNode [2022-02-11 10:44:53,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 10:44:53,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 10:44:53,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 10:44:53,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 10:44:53,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,965 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2022-02-11 10:44:53,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 10:44:53,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 10:44:53,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 10:44:53,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 10:44:53,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 10:44:53,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 10:44:53,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 10:44:53,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 10:44:53,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (1/1) ... [2022-02-11 10:44:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:44:53,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:54,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 10:44:54,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 10:44:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 10:44:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 10:44:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 10:44:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 10:44:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 10:44:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 10:44:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 10:44:54,042 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 10:44:54,125 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 10:44:54,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 10:44:54,307 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 10:44:54,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 10:44:54,313 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-11 10:44:54,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:44:54 BoogieIcfgContainer [2022-02-11 10:44:54,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 10:44:54,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 10:44:54,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 10:44:54,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 10:44:54,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 10:44:53" (1/3) ... [2022-02-11 10:44:54,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbebc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:44:54, skipping insertion in model container [2022-02-11 10:44:54,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:44:53" (2/3) ... [2022-02-11 10:44:54,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbebc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:44:54, skipping insertion in model container [2022-02-11 10:44:54,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:44:54" (3/3) ... [2022-02-11 10:44:54,320 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2022-02-11 10:44:54,323 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 10:44:54,323 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 10:44:54,323 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 10:44:54,323 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 10:44:54,349 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,350 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,351 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,352 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,353 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,353 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,353 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,353 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,353 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,354 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,355 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,356 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,357 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,358 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,358 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,358 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,358 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,358 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,359 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,360 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,360 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,360 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,360 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,360 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,361 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,362 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,363 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,363 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,367 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,367 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,367 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,367 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,368 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,368 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,368 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,368 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,368 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,370 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,371 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:44:54,373 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 10:44:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 10:44:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:54,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 10:44:54,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 10:44:54,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 10:44:54,449 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, 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 [2022-02-11 10:44:54,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 10:44:54,722 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:54,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash 659529902, now seen corresponding path program 1 times [2022-02-11 10:44:54,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:54,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046960246] [2022-02-11 10:44:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:54,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:44:54,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:54,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046960246] [2022-02-11 10:44:54,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046960246] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:54,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:44:54,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 10:44:54,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854489378] [2022-02-11 10:44:54,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:54,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 10:44:54,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:54,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 10:44:54,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 10:44:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:54,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:54,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:54,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:54,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:54,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 10:44:54,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:54,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash -478344976, now seen corresponding path program 1 times [2022-02-11 10:44:54,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:54,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331690357] [2022-02-11 10:44:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:44:55,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:55,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331690357] [2022-02-11 10:44:55,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331690357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:55,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:44:55,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 10:44:55,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443893751] [2022-02-11 10:44:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:55,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 10:44:55,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:55,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 10:44:55,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 10:44:55,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,100 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:55,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:55,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 10:44:55,214 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:55,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash -470305948, now seen corresponding path program 1 times [2022-02-11 10:44:55,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:55,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645789374] [2022-02-11 10:44:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:44:55,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:55,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645789374] [2022-02-11 10:44:55,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645789374] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:44:55,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580590845] [2022-02-11 10:44:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:55,304 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) [2022-02-11 10:44:55,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 10:44:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:55,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-11 10:44:55,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:44:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:44:55,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 10:44:55,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580590845] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:55,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 10:44:55,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-11 10:44:55,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137595778] [2022-02-11 10:44:55,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:55,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 10:44:55,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 10:44:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 10:44:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:55,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:55,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:55,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 10:44:55,991 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,ResultService [2022-02-11 10:44:55,991 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1744216633, now seen corresponding path program 1 times [2022-02-11 10:44:55,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:55,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927936572] [2022-02-11 10:44:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:44:56,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:56,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927936572] [2022-02-11 10:44:56,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927936572] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:44:56,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021002410] [2022-02-11 10:44:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:56,108 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) [2022-02-11 10:44:56,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 10:44:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:56,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-11 10:44:56,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:44:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:44:56,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:44:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:44:56,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021002410] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:44:56,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:44:56,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 10:44:56,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386219709] [2022-02-11 10:44:56,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:44:56,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 10:44:56,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:56,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 10:44:56,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-11 10:44:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:56,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:56,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:56,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:56,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:56,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:56,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:56,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 10:44:56,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:56,833 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:56,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1554480455, now seen corresponding path program 2 times [2022-02-11 10:44:56,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:56,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849885374] [2022-02-11 10:44:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:56,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 10:44:56,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:56,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849885374] [2022-02-11 10:44:56,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849885374] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:44:56,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079739884] [2022-02-11 10:44:56,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 10:44:56,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:56,966 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) [2022-02-11 10:44:56,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 10:44:57,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 10:44:57,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:44:57,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-11 10:44:57,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:44:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 10:44:57,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 10:44:57,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079739884] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:57,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 10:44:57,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-02-11 10:44:57,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790882245] [2022-02-11 10:44:57,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:57,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 10:44:57,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:57,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 10:44:57,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-11 10:44:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:57,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:57,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-11 10:44:57,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:57,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:57,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:57,592 INFO L85 PathProgramCache]: Analyzing trace with hash -114046407, now seen corresponding path program 1 times [2022-02-11 10:44:57,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:57,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303408370] [2022-02-11 10:44:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:57,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-11 10:44:57,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:57,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303408370] [2022-02-11 10:44:57,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303408370] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:44:57,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873387774] [2022-02-11 10:44:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:57,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:57,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:57,652 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) [2022-02-11 10:44:57,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 10:44:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:57,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:44:57,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:44:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 10:44:57,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 10:44:57,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873387774] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:57,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 10:44:57,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2022-02-11 10:44:57,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242333670] [2022-02-11 10:44:57,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:57,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 10:44:57,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:57,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 10:44:57,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-11 10:44:57,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:57,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:57,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:44:58,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 10:44:58,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:58,294 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:58,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:58,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2050177664, now seen corresponding path program 2 times [2022-02-11 10:44:58,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:58,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011395834] [2022-02-11 10:44:58,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-11 10:44:58,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:58,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011395834] [2022-02-11 10:44:58,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011395834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:44:58,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:44:58,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 10:44:58,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025706558] [2022-02-11 10:44:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:44:58,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 10:44:58,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:58,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 10:44:58,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 10:44:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:58,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:58,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:44:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:44:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService [2022-02-11 10:44:59,218 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:44:59,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:44:59,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1666556, now seen corresponding path program 3 times [2022-02-11 10:44:59,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:44:59,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212360446] [2022-02-11 10:44:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:44:59,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:44:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:44:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 10:44:59,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:44:59,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212360446] [2022-02-11 10:44:59,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212360446] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:44:59,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503906433] [2022-02-11 10:44:59,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 10:44:59,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:44:59,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:44:59,321 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) [2022-02-11 10:44:59,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 10:44:59,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-11 10:44:59,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:44:59,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:44:59,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:44:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 10:44:59,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:44:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 10:44:59,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503906433] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:44:59,816 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:44:59,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-11 10:44:59,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880317087] [2022-02-11 10:44:59,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:44:59,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 10:44:59,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:44:59,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 10:44:59,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-11 10:44:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:44:59,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 10:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:44:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:44:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:44:59,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 10:45:00,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:45:00,156 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 10:45:00,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:45:00,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1066626855, now seen corresponding path program 4 times [2022-02-11 10:45:00,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:45:00,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799382833] [2022-02-11 10:45:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:45:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:45:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 10:45:00,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 10:45:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 10:45:00,258 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 10:45:00,259 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 10:45:00,259 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 10:45:00,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 10:45:00,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 10:45:00,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-11 10:45:00,264 INFO L733 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1] [2022-02-11 10:45:00,267 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 10:45:00,267 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 10:45:00,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 10:45:00 BasicIcfg [2022-02-11 10:45:00,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 10:45:00,355 INFO L158 Benchmark]: Toolchain (without parser) took 6889.93ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 221.0MB in the beginning and 121.7MB in the end (delta: 99.3MB). Peak memory consumption was 149.3MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,355 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 247.5MB. Free memory is still 211.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 10:45:00,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.90ms. Allocated memory is still 247.5MB. Free memory was 220.8MB in the beginning and 206.1MB in the end (delta: 14.7MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.36ms. Allocated memory is still 247.5MB. Free memory was 206.1MB in the beginning and 203.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,355 INFO L158 Benchmark]: Boogie Preprocessor took 16.99ms. Allocated memory is still 247.5MB. Free memory was 203.7MB in the beginning and 202.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,356 INFO L158 Benchmark]: RCFGBuilder took 331.98ms. Allocated memory is still 247.5MB. Free memory was 202.1MB in the beginning and 187.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,356 INFO L158 Benchmark]: TraceAbstraction took 6038.61ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 186.7MB in the beginning and 121.7MB in the end (delta: 65.0MB). Peak memory consumption was 115.9MB. Max. memory is 8.0GB. [2022-02-11 10:45:00,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 247.5MB. Free memory is still 211.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.90ms. Allocated memory is still 247.5MB. Free memory was 220.8MB in the beginning and 206.1MB in the end (delta: 14.7MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.36ms. Allocated memory is still 247.5MB. Free memory was 206.1MB in the beginning and 203.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.99ms. Allocated memory is still 247.5MB. Free memory was 203.7MB in the beginning and 202.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.98ms. Allocated memory is still 247.5MB. Free memory was 202.1MB in the beginning and 187.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6038.61ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 186.7MB in the beginning and 121.7MB in the end (delta: 65.0MB). Peak memory consumption was 115.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1849, positive: 1782, positive conditional: 141, positive unconditional: 1641, negative: 67, negative conditional: 53, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12733, positive: 12674, positive conditional: 841, positive unconditional: 11833, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12733, positive: 12674, positive conditional: 841, positive unconditional: 11833, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 663, positive unconditional: 12011, negative: 92, negative conditional: 33, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 205, positive unconditional: 12469, negative: 92, negative conditional: 9, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 205, positive unconditional: 12469, negative: 92, negative conditional: 9, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3335, positive: 3310, positive conditional: 2, positive unconditional: 3308, negative: 25, negative conditional: 4, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3335, positive: 3238, positive conditional: 0, positive unconditional: 3238, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 97, positive: 72, positive conditional: 2, positive unconditional: 70, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 935, positive: 126, positive conditional: 2, positive unconditional: 124, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 789, unknown conditional: 0, unknown unconditional: 789] ], Cache Queries: [ total: 12766, positive: 9364, positive conditional: 203, positive unconditional: 9161, negative: 67, negative conditional: 5, negative unconditional: 62, unknown: 3335, unknown conditional: 6, unknown unconditional: 3329] , Statistics on independence cache: Total cache size (in pairs): 3335, Positive cache size: 3310, Positive conditional cache size: 2, Positive unconditional cache size: 3308, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Eliminated conditions: 482, Maximal queried relation: 5, Independence queries for same thread: 51 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 134, Number of trivial persistent sets: 99, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1655, positive: 1641, positive conditional: 0, positive unconditional: 1641, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1849, positive: 1782, positive conditional: 141, positive unconditional: 1641, negative: 67, negative conditional: 53, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12733, positive: 12674, positive conditional: 841, positive unconditional: 11833, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12733, positive: 12674, positive conditional: 841, positive unconditional: 11833, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 663, positive unconditional: 12011, negative: 92, negative conditional: 33, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 205, positive unconditional: 12469, negative: 92, negative conditional: 9, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12766, positive: 12674, positive conditional: 205, positive unconditional: 12469, negative: 92, negative conditional: 9, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3335, positive: 3310, positive conditional: 2, positive unconditional: 3308, negative: 25, negative conditional: 4, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3335, positive: 3238, positive conditional: 0, positive unconditional: 3238, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 97, positive: 72, positive conditional: 2, positive unconditional: 70, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 935, positive: 126, positive conditional: 2, positive unconditional: 124, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 789, unknown conditional: 0, unknown unconditional: 789] ], Cache Queries: [ total: 12766, positive: 9364, positive conditional: 203, positive unconditional: 9161, negative: 67, negative conditional: 5, negative unconditional: 62, unknown: 3335, unknown conditional: 6, unknown unconditional: 3329] , Statistics on independence cache: Total cache size (in pairs): 3335, Positive cache size: 3310, Positive conditional cache size: 2, Positive unconditional cache size: 3308, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Eliminated conditions: 482, Maximal queried relation: 5, Independence queries for same thread: 51 - 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: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={3:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t1, 0, thread1, 0)=9, t1={7:0}, t2={6:0}, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t2, 0, thread2, 0)=10, t1={7:0}, t2={6:0}, total=0] [L915] 0 \read(t1) VAL [\read(t1)=9, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L890] 2 int j; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L891] 2 j = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=1] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=0, total=1] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=1] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L878] COND FALSE 1 !(i < 3) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L887] 1 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L892] COND TRUE 2 j < 3 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L896] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=3] [L897] 2 num-- VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=0, total=3] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L902] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L903] 2 flag = 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=9, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] 0 \read(t2) VAL [\read(t2)=10, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=10, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L917] COND TRUE 0 \read(flag) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L919] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 913]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 171 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1732 NumberOfCodeBlocks, 1732 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1814 ConstructedInterpolants, 0 QuantifiedInterpolants, 2500 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1672 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 315/402 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-11 10:45:00,387 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 [2022-02-11 10:45:00,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...