/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 01:45:57,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 01:45:57,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 01:45:57,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 01:45:57,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 01:45:57,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 01:45:57,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 01:45:57,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 01:45:57,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 01:45:57,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 01:45:57,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 01:45:57,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 01:45:57,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 01:45:57,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 01:45:57,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 01:45:57,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 01:45:57,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 01:45:57,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 01:45:57,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 01:45:57,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 01:45:57,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 01:45:57,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 01:45:57,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 01:45:57,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 01:45:57,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 01:45:57,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 01:45:57,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 01:45:57,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 01:45:57,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 01:45:57,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 01:45:57,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 01:45:57,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 01:45:57,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 01:45:57,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 01:45:57,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 01:45:57,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 01:45:57,811 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.epf [2022-02-19 01:45:57,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 01:45:57,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 01:45:57,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 01:45:57,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 01:45:57,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 01:45:57,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 01:45:57,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 01:45:57,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 01:45:57,838 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 01:45:57,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 01:45:57,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 01:45:57,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 01:45:57,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 01:45:57,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 01:45:57,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 01:45:57,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 01:45:57,842 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 01:45:57,843 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 01:45:57,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 01:45:58,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 01:45:58,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 01:45:58,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 01:45:58,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 01:45:58,067 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 01:45:58,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-02-19 01:45:58,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62a6520f/6fd6b80bdc2c41d0bd27b6b9dbf5eb89/FLAG32ba6683d [2022-02-19 01:45:58,458 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 01:45:58,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-02-19 01:45:58,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62a6520f/6fd6b80bdc2c41d0bd27b6b9dbf5eb89/FLAG32ba6683d [2022-02-19 01:45:58,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62a6520f/6fd6b80bdc2c41d0bd27b6b9dbf5eb89 [2022-02-19 01:45:58,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 01:45:58,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 01:45:58,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 01:45:58,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 01:45:58,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 01:45:58,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fdb188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58, skipping insertion in model container [2022-02-19 01:45:58,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 01:45:58,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 01:45:58,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-02-19 01:45:58,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 01:45:58,732 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 01:45:58,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-02-19 01:45:58,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 01:45:58,793 INFO L208 MainTranslator]: Completed translation [2022-02-19 01:45:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58 WrapperNode [2022-02-19 01:45:58,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 01:45:58,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 01:45:58,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 01:45:58,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 01:45:58,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,823 INFO L137 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 119 [2022-02-19 01:45:58,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 01:45:58,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 01:45:58,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 01:45:58,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 01:45:58,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 01:45:58,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 01:45:58,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 01:45:58,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 01:45:58,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (1/1) ... [2022-02-19 01:45:58,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 01:45:58,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 01:45:58,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 01:45:58,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 01:45:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 01:45:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 01:45:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 01:45:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 01:45:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 01:45:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 01:45:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 01:45:58,908 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 01:45:58,960 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 01:45:58,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 01:45:59,116 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 01:45:59,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 01:45:59,152 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 01:45:59,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:45:59 BoogieIcfgContainer [2022-02-19 01:45:59,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 01:45:59,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 01:45:59,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 01:45:59,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 01:45:59,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:45:58" (1/3) ... [2022-02-19 01:45:59,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbd56c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:45:59, skipping insertion in model container [2022-02-19 01:45:59,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:45:58" (2/3) ... [2022-02-19 01:45:59,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbd56c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:45:59, skipping insertion in model container [2022-02-19 01:45:59,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:45:59" (3/3) ... [2022-02-19 01:45:59,175 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-02-19 01:45:59,178 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 01:45:59,178 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 01:45:59,178 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 01:45:59,178 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 01:45:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,203 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,210 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:45:59,214 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 01:45:59,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 01:45:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 01:45:59,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 01:45:59,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 01:45:59,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 01:45:59,270 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 01:45:59,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 01:45:59,458 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:45:59,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:45:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash -180911524, now seen corresponding path program 1 times [2022-02-19 01:45:59,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:45:59,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520737269] [2022-02-19 01:45:59,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:45:59,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:45:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:45:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:45:59,708 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:45:59,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520737269] [2022-02-19 01:45:59,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520737269] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:45:59,710 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:45:59,710 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 01:45:59,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220058460] [2022-02-19 01:45:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:45:59,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 01:45:59,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:45:59,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 01:45:59,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 01:45:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:45:59,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:45:59,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:45:59,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:45:59,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:45:59,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 01:45:59,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:45:59,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:45:59,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1598979568, now seen corresponding path program 1 times [2022-02-19 01:45:59,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:45:59,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216986772] [2022-02-19 01:45:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:45:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:45:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:00,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:00,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216986772] [2022-02-19 01:46:00,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216986772] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:00,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:00,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 01:46:00,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318970582] [2022-02-19 01:46:00,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:00,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 01:46:00,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 01:46:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-19 01:46:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:00,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:00,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:00,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 01:46:00,169 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:46:00,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:46:00,169 INFO L85 PathProgramCache]: Analyzing trace with hash -804619805, now seen corresponding path program 1 times [2022-02-19 01:46:00,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:46:00,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613426502] [2022-02-19 01:46:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:46:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:46:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:00,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:00,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613426502] [2022-02-19 01:46:00,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613426502] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:00,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:00,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-19 01:46:00,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009325163] [2022-02-19 01:46:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:00,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 01:46:00,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 01:46:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-19 01:46:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,507 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:00,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:00,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:00,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:00,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:00,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 01:46:00,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:46:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:46:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash -132868252, now seen corresponding path program 1 times [2022-02-19 01:46:00,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:46:00,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896397196] [2022-02-19 01:46:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:46:00,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:46:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:00,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:00,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896397196] [2022-02-19 01:46:00,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896397196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:00,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:00,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-19 01:46:00,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371486824] [2022-02-19 01:46:00,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:00,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 01:46:00,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 01:46:00,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-02-19 01:46:00,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,977 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:00,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 13 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 01:46:01,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 01:46:01,329 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:46:01,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:46:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2013620751, now seen corresponding path program 1 times [2022-02-19 01:46:01,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:46:01,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626839360] [2022-02-19 01:46:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:46:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:46:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:01,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:01,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626839360] [2022-02-19 01:46:01,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626839360] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:01,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:01,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 01:46:01,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699065113] [2022-02-19 01:46:01,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:01,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 01:46:01,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 01:46:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-19 01:46:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:01,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:01,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 01:46:01,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:01,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 01:46:01,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 01:46:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 01:46:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:01,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 01:46:01,543 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:46:01,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:46:01,544 INFO L85 PathProgramCache]: Analyzing trace with hash 740930885, now seen corresponding path program 2 times [2022-02-19 01:46:01,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:46:01,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849756326] [2022-02-19 01:46:01,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:46:01,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:46:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:01,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:01,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849756326] [2022-02-19 01:46:01,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849756326] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:01,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:01,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 01:46:01,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826405254] [2022-02-19 01:46:01,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:01,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 01:46:01,702 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 01:46:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-19 01:46:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:01,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:01,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 01:46:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 01:46:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 01:46:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 01:46:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 01:46:02,108 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 01:46:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:46:02,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1490727898, now seen corresponding path program 2 times [2022-02-19 01:46:02,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:46:02,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754486931] [2022-02-19 01:46:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:46:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:46:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:46:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:46:02,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:46:02,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754486931] [2022-02-19 01:46:02,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754486931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:46:02,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:46:02,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 01:46:02,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927063966] [2022-02-19 01:46:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:46:02,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 01:46:02,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:46:02,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 01:46:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-19 01:46:02,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:46:02,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:46:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 01:46:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 01:46:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 01:46:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:46:02,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 01:46:02,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 01:46:02,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 01:46:02,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-19 01:46:02,407 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2022-02-19 01:46:02,408 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 01:46:02,408 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 01:46:02,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 01:46:02 BasicIcfg [2022-02-19 01:46:02,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 01:46:02,411 INFO L158 Benchmark]: Toolchain (without parser) took 3910.59ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 184.5MB in the beginning and 169.5MB in the end (delta: 15.0MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,411 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 01:46:02,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.25ms. Allocated memory is still 211.8MB. Free memory was 184.3MB in the beginning and 180.8MB in the end (delta: 3.4MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.31ms. Allocated memory is still 211.8MB. Free memory was 180.8MB in the beginning and 179.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,413 INFO L158 Benchmark]: Boogie Preprocessor took 14.17ms. Allocated memory is still 211.8MB. Free memory was 179.2MB in the beginning and 178.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,413 INFO L158 Benchmark]: RCFGBuilder took 315.06ms. Allocated memory is still 211.8MB. Free memory was 177.7MB in the beginning and 161.7MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,413 INFO L158 Benchmark]: TraceAbstraction took 3255.45ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 160.9MB in the beginning and 169.5MB in the end (delta: -8.6MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2022-02-19 01:46:02,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.25ms. Allocated memory is still 211.8MB. Free memory was 184.3MB in the beginning and 180.8MB in the end (delta: 3.4MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.31ms. Allocated memory is still 211.8MB. Free memory was 180.8MB in the beginning and 179.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.17ms. Allocated memory is still 211.8MB. Free memory was 179.2MB in the beginning and 178.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 315.06ms. Allocated memory is still 211.8MB. Free memory was 177.7MB in the beginning and 161.7MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3255.45ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 160.9MB in the beginning and 169.5MB in the end (delta: -8.6MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3229, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 310, negative conditional: 292, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2998, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 79, negative conditional: 61, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2998, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 79, negative conditional: 61, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 2227, positive unconditional: 692, negative: 271, negative conditional: 192, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 425, positive unconditional: 2494, negative: 271, negative conditional: 71, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 425, positive unconditional: 2494, negative: 271, negative conditional: 71, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 641, positive: 612, positive conditional: 3, positive unconditional: 609, negative: 29, negative conditional: 11, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 641, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 29, negative conditional: 11, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 34, positive conditional: 4, positive unconditional: 30, negative: 102, negative conditional: 22, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3190, positive: 2307, positive conditional: 422, positive unconditional: 1885, negative: 242, negative conditional: 60, negative unconditional: 182, unknown: 641, unknown conditional: 14, unknown unconditional: 627] , Statistics on independence cache: Total cache size (in pairs): 641, Positive cache size: 612, Positive conditional cache size: 3, Positive unconditional cache size: 609, Negative cache size: 29, Negative conditional cache size: 11, Negative unconditional cache size: 18, Eliminated conditions: 1923, Maximal queried relation: 5, Independence queries for same thread: 231 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 456, Number of trivial persistent sets: 418, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627, positive: 609, positive conditional: 0, positive unconditional: 609, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3229, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 310, negative conditional: 292, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2998, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 79, negative conditional: 61, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2998, positive: 2919, positive conditional: 2310, positive unconditional: 609, negative: 79, negative conditional: 61, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 2227, positive unconditional: 692, negative: 271, negative conditional: 192, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 425, positive unconditional: 2494, negative: 271, negative conditional: 71, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3190, positive: 2919, positive conditional: 425, positive unconditional: 2494, negative: 271, negative conditional: 71, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 641, positive: 612, positive conditional: 3, positive unconditional: 609, negative: 29, negative conditional: 11, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 641, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 29, negative conditional: 11, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 34, positive conditional: 4, positive unconditional: 30, negative: 102, negative conditional: 22, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3190, positive: 2307, positive conditional: 422, positive unconditional: 1885, negative: 242, negative conditional: 60, negative unconditional: 182, unknown: 641, unknown conditional: 14, unknown unconditional: 627] , Statistics on independence cache: Total cache size (in pairs): 641, Positive cache size: 612, Positive conditional cache size: 3, Positive unconditional cache size: 609, Negative cache size: 29, Negative conditional cache size: 11, Negative unconditional cache size: 18, Eliminated conditions: 1923, Maximal queried relation: 5, Independence queries for same thread: 231 - 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 - PositiveResult [Line: 115]: 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, 152 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2022-02-19 01:46:02,442 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 [2022-02-19 01:46:02,654 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...