/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:20:10,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:20:10,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:20:10,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:20:10,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:20:10,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:20:10,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:20:10,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:20:10,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:20:10,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:20:10,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:20:10,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:20:10,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:20:10,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:20:10,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:20:10,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:20:10,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:20:10,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:20:10,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:20:10,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:20:10,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:20:10,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:20:10,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:20:10,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:20:10,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:20:10,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:20:10,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:20:10,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:20:10,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:20:10,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:20:10,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:20:10,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:20:10,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:20:10,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:20:10,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:20:10,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:20:10,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:20:10,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:20:10,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:20:10,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:20:10,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:20:10,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:20:10,246 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:20:10,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:20:10,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:20:10,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:20:10,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:20:10,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:20:10,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:20:10,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:20:10,248 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:20:10,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:20:10,249 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:20:10,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:20:10,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:20:10,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:20:10,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:20:10,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:20:10,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:20:10,252 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:20:10,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:20:10,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:20:10,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:20:10,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:20:10,524 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:20:10,525 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:20:10,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-20 14:20:10,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a1b6982/259281d7851f4cc6854e51f78a882539/FLAGe188b6f6c [2023-05-20 14:20:11,020 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:20:11,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-20 14:20:11,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a1b6982/259281d7851f4cc6854e51f78a882539/FLAGe188b6f6c [2023-05-20 14:20:11,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a1b6982/259281d7851f4cc6854e51f78a882539 [2023-05-20 14:20:11,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:20:11,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:20:11,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:20:11,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:20:11,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:20:11,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a85333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11, skipping insertion in model container [2023-05-20 14:20:11,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:20:11,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:20:11,648 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/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-20 14:20:11,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:20:11,667 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:20:11,701 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/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-20 14:20:11,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:20:11,715 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:20:11,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11 WrapperNode [2023-05-20 14:20:11,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:20:11,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:20:11,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:20:11,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:20:11,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,759 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-05-20 14:20:11,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:20:11,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:20:11,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:20:11,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:20:11,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:20:11,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:20:11,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:20:11,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:20:11,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (1/1) ... [2023-05-20 14:20:11,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:20:11,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:20:11,824 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) [2023-05-20 14:20:11,832 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 [2023-05-20 14:20:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:20:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:20:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:20:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 14:20:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 14:20:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:20:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:20:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:20:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:20:11,858 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 14:20:11,929 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:20:11,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:20:12,139 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:20:12,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:20:12,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 14:20:12,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:20:12 BoogieIcfgContainer [2023-05-20 14:20:12,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:20:12,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:20:12,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:20:12,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:20:12,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:20:11" (1/3) ... [2023-05-20 14:20:12,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2826e1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:20:12, skipping insertion in model container [2023-05-20 14:20:12,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:20:11" (2/3) ... [2023-05-20 14:20:12,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2826e1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:20:12, skipping insertion in model container [2023-05-20 14:20:12,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:20:12" (3/3) ... [2023-05-20 14:20:12,191 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-05-20 14:20:12,197 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:20:12,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:20:12,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:20:12,230 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:20:12,318 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 14:20:12,381 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:20:12,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:20:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:20:12,386 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) [2023-05-20 14:20:12,388 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 [2023-05-20 14:20:12,429 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:20:12,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:20:12,463 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;@79f996f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:20:12,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 14:20:12,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:20:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:20:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 220479633, now seen corresponding path program 1 times [2023-05-20 14:20:12,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:20:12,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211120577] [2023-05-20 14:20:12,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:12,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:20:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:12,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:20:12,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211120577] [2023-05-20 14:20:12,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211120577] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:20:12,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:20:12,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:20:12,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731570550] [2023-05-20 14:20:12,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:20:12,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:20:12,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:20:12,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:20:12,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:20:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:12,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:20:12,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2023-05-20 14:20:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:13,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:20:13,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:20:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:20:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash -623992238, now seen corresponding path program 1 times [2023-05-20 14:20:13,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:20:13,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436364629] [2023-05-20 14:20:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:13,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:20:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:13,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:20:13,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436364629] [2023-05-20 14:20:13,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436364629] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:20:13,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378210752] [2023-05-20 14:20:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:13,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:20:13,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:20:13,665 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) [2023-05-20 14:20:13,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 14:20:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:13,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 14:20:13,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:20:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:14,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:20:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:14,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378210752] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:20:14,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:20:14,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 19 [2023-05-20 14:20:14,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099382001] [2023-05-20 14:20:14,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:20:14,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 14:20:14,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:20:14,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 14:20:14,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2023-05-20 14:20:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:14,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:20:14,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 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) [2023-05-20 14:20:14,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:14,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:20:15,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 14:20:15,446 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,SelfDestructingSolverStorable1 [2023-05-20 14:20:15,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:20:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:20:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1680299178, now seen corresponding path program 1 times [2023-05-20 14:20:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:20:15,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588018754] [2023-05-20 14:20:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:15,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:20:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:16,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:20:16,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588018754] [2023-05-20 14:20:16,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588018754] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:20:16,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304874572] [2023-05-20 14:20:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:16,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:20:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:20:16,658 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) [2023-05-20 14:20:16,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 14:20:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:16,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-20 14:20:16,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:20:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:17,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:20:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:20,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304874572] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:20:20,838 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:20:20,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 40 [2023-05-20 14:20:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948037324] [2023-05-20 14:20:20,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:20:20,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 14:20:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:20:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 14:20:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1293, Unknown=0, NotChecked=0, Total=1560 [2023-05-20 14:20:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:20,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:20:20,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.125) internal successors, (165), 40 states have internal predecessors, (165), 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) [2023-05-20 14:20:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:20:20,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:20:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:20:24,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 14:20:24,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:20:24,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:20:24,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:20:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1118595601, now seen corresponding path program 2 times [2023-05-20 14:20:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:20:24,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502611080] [2023-05-20 14:20:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:20:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:20:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:20:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:27,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:20:27,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502611080] [2023-05-20 14:20:27,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502611080] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:20:27,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138319035] [2023-05-20 14:20:27,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:20:27,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:20:27,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:20:27,126 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) [2023-05-20 14:20:27,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 14:20:27,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:20:27,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:20:27,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-20 14:20:27,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:20:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:30,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:20:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:33,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138319035] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:20:33,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:20:33,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 21] total 54 [2023-05-20 14:20:33,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831861872] [2023-05-20 14:20:33,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:20:33,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 14:20:33,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:20:33,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 14:20:33,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=2395, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 14:20:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:33,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:20:33,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.5555555555555554) internal successors, (192), 54 states have internal predecessors, (192), 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) [2023-05-20 14:20:33,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:33,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:20:33,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:20:33,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:21:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:21:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:21:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:21:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:21:01,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 14:21:01,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:21:01,329 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:21:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:21:01,330 INFO L85 PathProgramCache]: Analyzing trace with hash -186010703, now seen corresponding path program 3 times [2023-05-20 14:21:01,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:21:01,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875639112] [2023-05-20 14:21:01,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:21:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:21:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:21:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:21:12,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:21:12,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875639112] [2023-05-20 14:21:12,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875639112] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:21:12,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400084218] [2023-05-20 14:21:12,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:21:12,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:21:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:21:12,212 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) [2023-05-20 14:21:12,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 14:21:13,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-20 14:21:13,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:21:13,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-20 14:21:13,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:22:41,968 WARN L233 SmtUtils]: Spent 15.35s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:22:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:22:42,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:23:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:23:32,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400084218] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:23:32,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:23:32,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 31] total 92 [2023-05-20 14:23:32,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543503414] [2023-05-20 14:23:32,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:23:32,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-05-20 14:23:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:23:32,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-05-20 14:23:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1449, Invalid=6914, Unknown=9, NotChecked=0, Total=8372 [2023-05-20 14:23:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:23:32,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:23:32,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.6739130434782608) internal successors, (246), 92 states have internal predecessors, (246), 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) [2023-05-20 14:23:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:23:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:23:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:23:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:23:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:23:43,972 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 [] [2023-05-20 14:24:12,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:24:17,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:24:29,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:24:41,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:24:59,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:25:09,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:25:19,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:25:30,699 WARN L233 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 139 DAG size of output: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:25:50,392 WARN L233 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 142 DAG size of output: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:25:55,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:05,165 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 181 DAG size of output: 152 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:26:10,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:12,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:13,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:40,671 WARN L233 SmtUtils]: Spent 22.19s on a formula simplification. DAG size of input: 193 DAG size of output: 177 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:26:46,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:47,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:26:50,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:27:12,945 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 277 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:27:48,559 WARN L233 SmtUtils]: Spent 31.19s on a formula simplification. DAG size of input: 195 DAG size of output: 173 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:27:52,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:27:53,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:27:55,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:28:04,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:28:30,689 WARN L233 SmtUtils]: Spent 21.39s on a formula simplification. DAG size of input: 192 DAG size of output: 152 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:28:41,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:28:43,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:28:45,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:28:48,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:06,004 WARN L233 SmtUtils]: Spent 13.57s on a formula simplification. DAG size of input: 197 DAG size of output: 146 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:29:07,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:16,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:17,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:22,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:34,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:35,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:39,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:42,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:29:44,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:05,593 WARN L233 SmtUtils]: Spent 14.88s on a formula simplification. DAG size of input: 201 DAG size of output: 125 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:30:10,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:16,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:18,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:23,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:24,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:30:29,188 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 [] Received shutdown request... [2023-05-20 14:34:33,448 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 [2023-05-20 14:34:33,448 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 [2023-05-20 14:34:33,479 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:34:34,472 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 [2023-05-20 14:34:34,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 14:34:34,657 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-20 14:34:34,664 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 137 [2023-05-20 14:34:34,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 14:34:34,665 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-05-20 14:34:34,667 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 14:34:34,667 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 14:34:34,667 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 14:34:34,671 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-05-20 14:34:34,673 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 14:34:34,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 14:34:34,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:34:34 BasicIcfg [2023-05-20 14:34:34,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 14:34:34,676 INFO L158 Benchmark]: Toolchain (without parser) took 863253.10ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 104.9MB in the beginning and 253.5MB in the end (delta: -148.6MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,676 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 14:34:34,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.15ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 135.8MB in the end (delta: -31.0MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.17ms. Allocated memory is still 161.5MB. Free memory was 135.8MB in the beginning and 134.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,677 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 161.5MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,677 INFO L158 Benchmark]: RCFGBuilder took 385.60ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 117.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,677 INFO L158 Benchmark]: TraceAbstraction took 862493.13ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 116.6MB in the beginning and 253.5MB in the end (delta: -136.9MB). Peak memory consumption was 65.9MB. Max. memory is 8.0GB. [2023-05-20 14:34:34,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 291.15ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 135.8MB in the end (delta: -31.0MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.17ms. Allocated memory is still 161.5MB. Free memory was 135.8MB in the beginning and 134.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 161.5MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 385.60ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 117.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 862493.13ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 116.6MB in the beginning and 253.5MB in the end (delta: -136.9MB). Peak memory consumption was 65.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1283, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 219, dependent conditional: 211, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1072, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1072, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 413, independent: 405, independent conditional: 8, independent unconditional: 397, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 413, independent: 396, independent conditional: 0, independent unconditional: 396, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 75, independent conditional: 24, independent unconditional: 51, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1080, independent: 659, independent conditional: 0, independent unconditional: 659, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 413, unknown conditional: 8, unknown unconditional: 405] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 405, Positive conditional cache size: 8, Positive unconditional cache size: 397, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 211 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 78, Number of trivial persistent sets: 68, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 432, independent: 424, independent conditional: 0, independent unconditional: 424, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1283, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 219, dependent conditional: 211, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1072, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1072, independent: 1064, independent conditional: 640, independent unconditional: 424, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 8, independent unconditional: 1056, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 413, independent: 405, independent conditional: 8, independent unconditional: 397, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 413, independent: 396, independent conditional: 0, independent unconditional: 396, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 75, independent conditional: 24, independent unconditional: 51, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1080, independent: 659, independent conditional: 0, independent unconditional: 659, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 413, unknown conditional: 8, unknown unconditional: 405] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 405, Positive conditional cache size: 8, Positive unconditional cache size: 397, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 211 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 862.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 694.1s, 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: 169, 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, 2.0s SatisfiabilityAnalysisTime, 165.0s InterpolantComputationTime, 717 NumberOfCodeBlocks, 717 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1029 ConstructedInterpolants, 0 QuantifiedInterpolants, 29731 SizeOfPredicates, 61 NumberOfNonLiveVariables, 701 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1/661 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