/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 05:49:18,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 05:49:18,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 05:49:18,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-08 05:49:18,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-08 05:49:18,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-08 05:49:18,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-08 05:49:18,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-08 05:49:18,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-08 05:49:18,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-08 05:49:18,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-08 05:49:18,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-08 05:49:18,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-08 05:49:18,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-08 05:49:18,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-08 05:49:18,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-08 05:49:18,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-08 05:49:18,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-08 05:49:18,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-08 05:49:18,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-08 05:49:18,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-08 05:49:18,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-08 05:49:18,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-08 05:49:18,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-08 05:49:18,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-08 05:49:18,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-08 05:49:18,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-08 05:49:18,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-08 05:49:18,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-08 05:49:18,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-08 05:49:18,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-08 05:49:18,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-08 05:49:18,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-08 05:49:18,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-08 05:49:18,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-08 05:49:18,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-08 05:49:18,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-08 05:49:18,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-08 05:49:18,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-08 05:49:18,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-08 05:49:18,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-08 05:49:18,873 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-Random7777.epf [2021-08-08 05:49:18,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 05:49:18,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 05:49:18,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 05:49:18,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 05:49:18,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 05:49:18,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 05:49:18,904 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 05:49:18,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 05:49:18,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 05:49:18,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 05:49:18,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 05:49:18,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 05:49:18,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 05:49:18,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 05:49:18,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 05:49:18,908 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 05:49:18,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 05:49:18,909 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 05:49:19,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 05:49:19,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 05:49:19,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 05:49:19,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-08 05:49:19,171 INFO L275 PluginConnector]: CDTParser initialized [2021-08-08 05:49:19,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-08-08 05:49:19,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a50a44/9736a15a47424c669c8d4651a4fd6c4b/FLAG8fce9417a [2021-08-08 05:49:19,605 INFO L306 CDTParser]: Found 1 translation units. [2021-08-08 05:49:19,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-08-08 05:49:19,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a50a44/9736a15a47424c669c8d4651a4fd6c4b/FLAG8fce9417a [2021-08-08 05:49:19,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a50a44/9736a15a47424c669c8d4651a4fd6c4b [2021-08-08 05:49:19,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 05:49:19,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-08 05:49:19,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-08 05:49:19,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-08 05:49:19,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-08 05:49:19,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:49:19" (1/1) ... [2021-08-08 05:49:19,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c3675d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:19, skipping insertion in model container [2021-08-08 05:49:19,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:49:19" (1/1) ... [2021-08-08 05:49:19,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-08 05:49:20,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-08 05:49:20,234 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-08-08 05:49:20,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 05:49:20,278 INFO L203 MainTranslator]: Completed pre-run [2021-08-08 05:49:20,319 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-08-08 05:49:20,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 05:49:20,349 INFO L208 MainTranslator]: Completed translation [2021-08-08 05:49:20,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20 WrapperNode [2021-08-08 05:49:20,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-08 05:49:20,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 05:49:20,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 05:49:20,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 05:49:20,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 05:49:20,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 05:49:20,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 05:49:20,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 05:49:20,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 05:49:20,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 05:49:20,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 05:49:20,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 05:49:20,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (1/1) ... [2021-08-08 05:49:20,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 05:49:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 05:49:20,421 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) [2021-08-08 05:49:20,426 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 [2021-08-08 05:49:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-08 05:49:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-08 05:49:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-08 05:49:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 05:49:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 05:49:20,457 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 05:49:20,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 05:49:20,749 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-08 05:49:20,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:49:20 BoogieIcfgContainer [2021-08-08 05:49:20,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 05:49:20,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 05:49:20,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 05:49:20,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 05:49:20,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:49:19" (1/3) ... [2021-08-08 05:49:20,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47704a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:49:20, skipping insertion in model container [2021-08-08 05:49:20,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:49:20" (2/3) ... [2021-08-08 05:49:20,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47704a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:49:20, skipping insertion in model container [2021-08-08 05:49:20,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:49:20" (3/3) ... [2021-08-08 05:49:20,755 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-08-08 05:49:20,759 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 05:49:20,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 05:49:20,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 05:49:20,759 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 05:49:20,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,786 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,787 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 05:49:20,800 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-08 05:49:20,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 05:49:20,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 05:49:20,844 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) [2021-08-08 05:49:20,875 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 [2021-08-08 05:49:20,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 05:49:20,902 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, mConcurrency=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 [2021-08-08 05:49:20,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-08 05:49:21,024 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 05:49:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 05:49:21,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2104848941, now seen corresponding path program 1 times [2021-08-08 05:49:21,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 05:49:21,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748273788] [2021-08-08 05:49:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 05:49:21,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 05:49:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 05:49:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 05:49:21,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 05:49:21,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748273788] [2021-08-08 05:49:21,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748273788] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 05:49:21,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 05:49:21,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-08 05:49:21,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497806276] [2021-08-08 05:49:21,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-08 05:49:21,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 05:49:21,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-08 05:49:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-08 05:49:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:21,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 05:49:21,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-08-08 05:49:21,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:21,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 05:49:21,709 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 05:49:21,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 05:49:21,709 INFO L82 PathProgramCache]: Analyzing trace with hash 335455179, now seen corresponding path program 2 times [2021-08-08 05:49:21,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 05:49:21,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751278183] [2021-08-08 05:49:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 05:49:21,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 05:49:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 05:49:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 05:49:21,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 05:49:21,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751278183] [2021-08-08 05:49:21,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751278183] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 05:49:21,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 05:49:21,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-08 05:49:21,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043137150] [2021-08-08 05:49:21,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-08 05:49:21,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 05:49:21,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-08 05:49:21,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-08 05:49:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:21,778 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 05:49:21,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-08-08 05:49:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 05:49:21,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-08 05:49:21,847 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 05:49:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 05:49:21,849 INFO L82 PathProgramCache]: Analyzing trace with hash -538347803, now seen corresponding path program 3 times [2021-08-08 05:49:21,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 05:49:21,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900216820] [2021-08-08 05:49:21,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 05:49:21,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 05:49:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 05:49:22,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 05:49:22,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 05:49:22,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900216820] [2021-08-08 05:49:22,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900216820] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 05:49:22,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 05:49:22,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-08 05:49:22,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611405492] [2021-08-08 05:49:22,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-08 05:49:22,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 05:49:22,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-08 05:49:22,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-08 05:49:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:22,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 05:49:22,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-08-08 05:49:22,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:22,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 05:49:22,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 05:49:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:22,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 05:49:22,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 05:49:22,130 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 05:49:22,131 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 05:49:22,131 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 05:49:22,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-08 05:49:22,140 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 05:49:22,140 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 05:49:22,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:49:22 BasicIcfg [2021-08-08 05:49:22,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 05:49:22,142 INFO L168 Benchmark]: Toolchain (without parser) took 2158.37 ms. Allocated memory was 234.9 MB in the beginning and 324.0 MB in the end (delta: 89.1 MB). Free memory was 198.0 MB in the beginning and 200.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,144 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 234.9 MB. Free memory is still 215.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 05:49:22,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.20 ms. Allocated memory is still 234.9 MB. Free memory was 197.8 MB in the beginning and 210.5 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.22 ms. Allocated memory is still 234.9 MB. Free memory was 210.5 MB in the beginning and 208.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,146 INFO L168 Benchmark]: Boogie Preprocessor took 15.94 ms. Allocated memory is still 234.9 MB. Free memory was 208.9 MB in the beginning and 207.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,147 INFO L168 Benchmark]: RCFGBuilder took 353.11 ms. Allocated memory is still 234.9 MB. Free memory was 207.4 MB in the beginning and 182.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,147 INFO L168 Benchmark]: TraceAbstraction took 1389.98 ms. Allocated memory was 234.9 MB in the beginning and 324.0 MB in the end (delta: 89.1 MB). Free memory was 181.7 MB in the beginning and 201.2 MB in the end (delta: -19.5 MB). Peak memory consumption was 69.7 MB. Max. memory is 8.0 GB. [2021-08-08 05:49:22,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 234.9 MB. Free memory is still 215.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 365.20 ms. Allocated memory is still 234.9 MB. Free memory was 197.8 MB in the beginning and 210.5 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.22 ms. Allocated memory is still 234.9 MB. Free memory was 210.5 MB in the beginning and 208.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.94 ms. Allocated memory is still 234.9 MB. Free memory was 208.9 MB in the beginning and 207.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 353.11 ms. Allocated memory is still 234.9 MB. Free memory was 207.4 MB in the beginning and 182.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1389.98 ms. Allocated memory was 234.9 MB in the beginning and 324.0 MB in the end (delta: 89.1 MB). Free memory was 181.7 MB in the beginning and 201.2 MB in the end (delta: -19.5 MB). Peak memory consumption was 69.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 3305, positive unconditional: 1323, negative: 310, negative conditional: 184, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 400, positive unconditional: 4228, negative: 310, negative conditional: 49, negative unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 400, positive unconditional: 4228, negative: 310, negative conditional: 49, negative unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1341, positive: 1301, positive conditional: 4, positive unconditional: 1297, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1341, positive: 1283, positive conditional: 0, positive unconditional: 1283, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 18, positive conditional: 2, positive unconditional: 16, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 53, positive conditional: 3, positive unconditional: 49, negative: 102, negative conditional: 13, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4938, positive: 3327, positive conditional: 396, positive unconditional: 2931, negative: 270, negative conditional: 41, negative unconditional: 229, unknown: 1341, unknown conditional: 12, unknown unconditional: 1329] , Statistics on independence cache: Total cache size (in pairs): 1341, Positive cache size: 1301, Positive conditional cache size: 4, Positive unconditional cache size: 1297, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 3040, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 237, Number of persistent set computation: 800, Number of trivial persistent sets: 800, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1309, positive: 1277, positive conditional: 0, positive unconditional: 1277, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4754, positive: 4628, positive conditional: 3351, positive unconditional: 1277, negative: 126, negative conditional: 94, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 3305, positive unconditional: 1323, negative: 310, negative conditional: 184, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 400, positive unconditional: 4228, negative: 310, negative conditional: 49, negative unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4938, positive: 4628, positive conditional: 400, positive unconditional: 4228, negative: 310, negative conditional: 49, negative unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1341, positive: 1301, positive conditional: 4, positive unconditional: 1297, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1341, positive: 1283, positive conditional: 0, positive unconditional: 1283, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 18, positive conditional: 2, positive unconditional: 16, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 53, positive conditional: 3, positive unconditional: 49, negative: 102, negative conditional: 13, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4938, positive: 3327, positive conditional: 396, positive unconditional: 2931, negative: 270, negative conditional: 41, negative unconditional: 229, unknown: 1341, unknown conditional: 12, unknown unconditional: 1329] , Statistics on independence cache: Total cache size (in pairs): 1341, Positive cache size: 1301, Positive conditional cache size: 4, Positive unconditional cache size: 1297, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 3040, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 727]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1311.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 543.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.0ms SsaConstructionTime, 128.0ms SatisfiabilityAnalysisTime, 394.1ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-08 05:49:22,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-08 05:49:22,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...