/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 09:03:50,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 09:03:50,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 09:03:50,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 09:03:50,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 09:03:50,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 09:03:50,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 09:03:50,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 09:03:50,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 09:03:50,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 09:03:50,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 09:03:50,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 09:03:50,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 09:03:50,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 09:03:50,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 09:03:50,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 09:03:50,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 09:03:50,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 09:03:50,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 09:03:50,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 09:03:50,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 09:03:50,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 09:03:50,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 09:03:50,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 09:03:50,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 09:03:50,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 09:03:50,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 09:03:50,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 09:03:50,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 09:03:50,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 09:03:50,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 09:03:50,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 09:03:50,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 09:03:50,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 09:03:50,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 09:03:50,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 09:03:50,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 09:03:50,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 09:03:50,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 09:03:50,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 09:03:50,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 09:03:50,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 09:03:50,880 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 09:03:50,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 09:03:50,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 09:03:50,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 09:03:50,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 09:03:50,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 09:03:50,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 09:03:50,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 09:03:50,882 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 09:03:50,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 09:03:50,883 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 09:03:50,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 09:03:50,884 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 09:03:50,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 09:03:50,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 09:03:50,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 09:03:50,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 09:03:50,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 09:03:50,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:03:50,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 09:03:50,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 09:03:50,887 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 09:03:50,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 09:03:51,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 09:03:51,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 09:03:51,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 09:03:51,150 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 09:03:51,151 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 09:03:51,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 09:03:51,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722a63b58/782cf591d12844f8a349360b6a4851b3/FLAG79e973684 [2023-05-04 09:03:51,567 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 09:03:51,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 09:03:51,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722a63b58/782cf591d12844f8a349360b6a4851b3/FLAG79e973684 [2023-05-04 09:03:51,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722a63b58/782cf591d12844f8a349360b6a4851b3 [2023-05-04 09:03:51,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 09:03:51,981 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 09:03:51,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 09:03:51,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 09:03:51,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 09:03:51,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:03:51" (1/1) ... [2023-05-04 09:03:51,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557024b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:51, skipping insertion in model container [2023-05-04 09:03:51,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:03:51" (1/1) ... [2023-05-04 09:03:51,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 09:03:52,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 09:03:52,154 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/mult-comm.wvr.c[1910,1923] [2023-05-04 09:03:52,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:03:52,171 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 09:03:52,200 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/mult-comm.wvr.c[1910,1923] [2023-05-04 09:03:52,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:03:52,215 INFO L208 MainTranslator]: Completed translation [2023-05-04 09:03:52,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52 WrapperNode [2023-05-04 09:03:52,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 09:03:52,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 09:03:52,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 09:03:52,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 09:03:52,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,249 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-05-04 09:03:52,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 09:03:52,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 09:03:52,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 09:03:52,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 09:03:52,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 09:03:52,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 09:03:52,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 09:03:52,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 09:03:52,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (1/1) ... [2023-05-04 09:03:52,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:03:52,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:03:52,306 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) [2023-05-04 09:03:52,314 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 [2023-05-04 09:03:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 09:03:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 09:03:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 09:03:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 09:03:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 09:03:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 09:03:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 09:03:52,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 09:03:52,425 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 09:03:52,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 09:03:52,597 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 09:03:52,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 09:03:52,603 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 09:03:52,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:03:52 BoogieIcfgContainer [2023-05-04 09:03:52,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 09:03:52,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 09:03:52,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 09:03:52,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 09:03:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:03:51" (1/3) ... [2023-05-04 09:03:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfddfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:03:52, skipping insertion in model container [2023-05-04 09:03:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:03:52" (2/3) ... [2023-05-04 09:03:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfddfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:03:52, skipping insertion in model container [2023-05-04 09:03:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:03:52" (3/3) ... [2023-05-04 09:03:52,625 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-05-04 09:03:52,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 09:03:52,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 09:03:52,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 09:03:52,655 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 09:03:52,745 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 09:03:52,803 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:03:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 09:03:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:03:52,810 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) [2023-05-04 09:03:52,831 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 [2023-05-04 09:03:52,846 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 09:03:52,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 09:03:52,883 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26201feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:03:52,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 09:03:53,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:03:53,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:03:53,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1865854327, now seen corresponding path program 1 times [2023-05-04 09:03:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:03:53,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49306242] [2023-05-04 09:03:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:03:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:53,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:03:53,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49306242] [2023-05-04 09:03:53,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49306242] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:03:53,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:03:53,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 09:03:53,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150118093] [2023-05-04 09:03:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:03:53,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 09:03:53,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:03:53,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 09:03:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 09:03:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:03:53,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:03:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 09:03:53,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:03:53,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:03:53,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1988960117, now seen corresponding path program 1 times [2023-05-04 09:03:53,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:03:53,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188638277] [2023-05-04 09:03:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:03:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:53,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:03:53,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188638277] [2023-05-04 09:03:53,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188638277] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:03:53,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:03:53,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 09:03:53,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997835899] [2023-05-04 09:03:53,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:03:53,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 09:03:53,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:03:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 09:03:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 09:03:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:03:53,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:03:53,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:03:53,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 09:03:53,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:03:53,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:03:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1917331861, now seen corresponding path program 1 times [2023-05-04 09:03:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:03:53,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591637564] [2023-05-04 09:03:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:03:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:54,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:03:54,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591637564] [2023-05-04 09:03:54,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591637564] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:03:54,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341224569] [2023-05-04 09:03:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:03:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:03:54,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:03:54,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 09:03:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:54,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 09:03:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:03:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:54,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:03:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:55,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341224569] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:03:55,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:03:55,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 13 [2023-05-04 09:03:55,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376016463] [2023-05-04 09:03:55,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:03:55,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 09:03:55,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:03:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 09:03:55,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-05-04 09:03:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:55,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:03:55,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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) [2023-05-04 09:03:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:03:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:03:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 09:03:55,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 09:03:55,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 09:03:55,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:03:55,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:03:55,690 INFO L85 PathProgramCache]: Analyzing trace with hash 731039457, now seen corresponding path program 1 times [2023-05-04 09:03:55,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:03:55,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043572704] [2023-05-04 09:03:55,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:55,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:03:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:03:56,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043572704] [2023-05-04 09:03:56,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043572704] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:03:56,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609602692] [2023-05-04 09:03:56,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:56,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:03:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:03:56,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:03:56,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 09:03:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:56,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 09:03:56,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:03:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:56,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:03:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:56,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609602692] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 09:03:56,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 09:03:56,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 10] total 15 [2023-05-04 09:03:56,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256522341] [2023-05-04 09:03:56,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:03:56,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 09:03:56,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:03:56,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 09:03:56,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-05-04 09:03:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:56,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:03:56,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2023-05-04 09:03:56,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:56,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:03:56,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 09:03:56,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:03:56,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:03:56,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:03:56,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:03:56,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 09:03:56,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:03:56,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:03:56,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:03:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2015840299, now seen corresponding path program 1 times [2023-05-04 09:03:56,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:03:56,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655194018] [2023-05-04 09:03:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:03:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:03:58,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:03:58,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655194018] [2023-05-04 09:03:58,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655194018] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:03:58,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794295854] [2023-05-04 09:03:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:03:58,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:03:58,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:03:58,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:03:59,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 09:03:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:03:59,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-04 09:03:59,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:04:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:04:01,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:04:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:04:53,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794295854] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:04:53,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:04:53,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 20] total 47 [2023-05-04 09:04:53,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779384331] [2023-05-04 09:04:53,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:04:53,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-04 09:04:53,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:04:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-04 09:04:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1929, Unknown=19, NotChecked=0, Total=2162 [2023-05-04 09:04:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:04:53,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:04:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.0) internal successors, (141), 47 states have internal predecessors, (141), 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) [2023-05-04 09:04:53,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:04:53,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:04:53,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:04:53,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:04:53,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:05:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:05:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:05:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:05:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:05:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 09:05:15,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 09:05:15,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:05:15,570 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:05:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:05:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash -815099733, now seen corresponding path program 2 times [2023-05-04 09:05:15,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:05:15,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546474502] [2023-05-04 09:05:15,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:05:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:05:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:05:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:05:18,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:05:18,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546474502] [2023-05-04 09:05:18,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546474502] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:05:18,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056730850] [2023-05-04 09:05:18,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 09:05:18,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:05:18,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:05:18,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:05:18,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 09:05:18,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 09:05:18,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:05:18,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-04 09:05:18,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:05:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:05:21,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:11:48,778 WARN L233 SmtUtils]: Spent 16.81s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:12:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:12:45,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056730850] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:12:45,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:12:45,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 69 [2023-05-04 09:12:45,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450905936] [2023-05-04 09:12:45,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:12:45,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-05-04 09:12:45,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:12:45,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-05-04 09:12:45,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=4335, Unknown=25, NotChecked=0, Total=4692 [2023-05-04 09:12:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:12:45,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:12:45,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.536231884057971) internal successors, (175), 69 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 09:12:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:13:16,632 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 108 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:13:35,382 WARN L233 SmtUtils]: Spent 11.96s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:13:37,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:13:39,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:13:42,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:13:45,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:13:48,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:14:03,198 WARN L233 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 104 DAG size of output: 102 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:14:06,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:14:09,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:14:20,974 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 102 DAG size of output: 91 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:14:38,757 WARN L233 SmtUtils]: Spent 14.12s on a formula simplification. DAG size of input: 113 DAG size of output: 105 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:15:33,169 WARN L233 SmtUtils]: Spent 17.89s on a formula simplification. DAG size of input: 112 DAG size of output: 25 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:15:37,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:15:40,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:15:42,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:16:01,788 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 78 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 09:16:03,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 09:17:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:17:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:17:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:17:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:17:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 09:17:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 09:17:06,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 09:17:06,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:17:06,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:17:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:17:06,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1557610923, now seen corresponding path program 3 times [2023-05-04 09:17:06,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:17:06,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360234980] [2023-05-04 09:17:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:17:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:17:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:17:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:17:09,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:17:09,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360234980] [2023-05-04 09:17:09,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360234980] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:17:09,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035674284] [2023-05-04 09:17:09,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 09:17:09,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:17:09,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:17:09,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:17:09,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 09:17:10,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-05-04 09:17:10,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:17:10,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-04 09:17:10,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:17:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:17:18,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 09:18:17,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:18:17,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:18:17,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:18:18,087 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 09:18:18,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 09:18:18,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 09:18:18,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:18:18,289 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 29 for 29ms.. [2023-05-04 09:18:18,291 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 09:18:18,291 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 09:18:18,294 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2023-05-04 09:18:18,296 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 09:18:18,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 09:18:18,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:18:18 BasicIcfg [2023-05-04 09:18:18,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 09:18:18,298 INFO L158 Benchmark]: Toolchain (without parser) took 866317.58ms. Allocated memory was 230.7MB in the beginning and 356.5MB in the end (delta: 125.8MB). Free memory was 199.4MB in the beginning and 126.3MB in the end (delta: 73.0MB). Peak memory consumption was 224.1MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,299 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 230.7MB. Free memory is still 185.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 09:18:18,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.32ms. Allocated memory was 230.7MB in the beginning and 296.7MB in the end (delta: 66.1MB). Free memory was 199.2MB in the beginning and 265.8MB in the end (delta: -66.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.45ms. Allocated memory is still 296.7MB. Free memory was 265.8MB in the beginning and 264.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,300 INFO L158 Benchmark]: Boogie Preprocessor took 25.06ms. Allocated memory is still 296.7MB. Free memory was 264.1MB in the beginning and 263.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,300 INFO L158 Benchmark]: RCFGBuilder took 328.73ms. Allocated memory is still 296.7MB. Free memory was 263.1MB in the beginning and 251.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,301 INFO L158 Benchmark]: TraceAbstraction took 865690.89ms. Allocated memory was 296.7MB in the beginning and 356.5MB in the end (delta: 59.8MB). Free memory was 249.9MB in the beginning and 126.3MB in the end (delta: 123.6MB). Peak memory consumption was 209.9MB. Max. memory is 8.0GB. [2023-05-04 09:18:18,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 230.7MB. Free memory is still 185.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.32ms. Allocated memory was 230.7MB in the beginning and 296.7MB in the end (delta: 66.1MB). Free memory was 199.2MB in the beginning and 265.8MB in the end (delta: -66.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.45ms. Allocated memory is still 296.7MB. Free memory was 265.8MB in the beginning and 264.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.06ms. Allocated memory is still 296.7MB. Free memory was 264.1MB in the beginning and 263.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 328.73ms. Allocated memory is still 296.7MB. Free memory was 263.1MB in the beginning and 251.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 865690.89ms. Allocated memory was 296.7MB in the beginning and 356.5MB in the end (delta: 59.8MB). Free memory was 249.9MB in the beginning and 126.3MB in the end (delta: 123.6MB). Peak memory consumption was 209.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2946, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 525, dependent conditional: 519, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2427, independent: 1739, independent conditional: 0, independent unconditional: 1739, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 682, Positive conditional cache size: 0, Positive unconditional cache size: 682, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 519 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 227, Number of trivial persistent sets: 173, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 809, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2946, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 525, dependent conditional: 519, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 1618, independent unconditional: 803, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2427, independent: 2421, independent conditional: 0, independent unconditional: 2421, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2427, independent: 1739, independent conditional: 0, independent unconditional: 1739, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 682, Positive conditional cache size: 0, Positive unconditional cache size: 682, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 519 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 29 for 29ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 29 for 29ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 29 for 29ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 865.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 283.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 507.5s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 906 ConstructedInterpolants, 34 QuantifiedInterpolants, 18228 SizeOfPredicates, 50 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1/135 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown