/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 17:20:36,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 17:20:36,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 17:20:36,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 17:20:36,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 17:20:36,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 17:20:36,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 17:20:36,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 17:20:36,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 17:20:36,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 17:20:36,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 17:20:36,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 17:20:36,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 17:20:36,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 17:20:36,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 17:20:36,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 17:20:36,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 17:20:36,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 17:20:36,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 17:20:36,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 17:20:36,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 17:20:36,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 17:20:36,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 17:20:36,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 17:20:36,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 17:20:36,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 17:20:36,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 17:20:36,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 17:20:36,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 17:20:36,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 17:20:36,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 17:20:36,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 17:20:36,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 17:20:36,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 17:20:36,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 17:20:36,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 17:20:36,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 17:20:36,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 17:20:36,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 17:20:36,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 17:20:36,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 17:20:36,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 17:20:36,368 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 17:20:36,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 17:20:36,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 17:20:36,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 17:20:36,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 17:20:36,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 17:20:36,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 17:20:36,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 17:20:36,371 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 17:20:36,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 17:20:36,371 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 17:20:36,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 17:20:36,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 17:20:36,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:20:36,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 17:20:36,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 17:20:36,375 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 17:20:36,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 17:20:36,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 17:20:36,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 17:20:36,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 17:20:36,578 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 17:20:36,579 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 17:20:36,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-05-20 17:20:36,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dc60cf8/fb776292c33b4403a06f770f5807ae78/FLAG681fac83f [2023-05-20 17:20:36,999 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 17:20:37,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-05-20 17:20:37,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dc60cf8/fb776292c33b4403a06f770f5807ae78/FLAG681fac83f [2023-05-20 17:20:37,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dc60cf8/fb776292c33b4403a06f770f5807ae78 [2023-05-20 17:20:37,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 17:20:37,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 17:20:37,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 17:20:37,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 17:20:37,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 17:20:37,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1db8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37, skipping insertion in model container [2023-05-20 17:20:37,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 17:20:37,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 17:20:37,658 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-counter-fun.wvr.c[2681,2694] [2023-05-20 17:20:37,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:20:37,671 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 17:20:37,714 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-counter-fun.wvr.c[2681,2694] [2023-05-20 17:20:37,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:20:37,735 INFO L208 MainTranslator]: Completed translation [2023-05-20 17:20:37,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37 WrapperNode [2023-05-20 17:20:37,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 17:20:37,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 17:20:37,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 17:20:37,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 17:20:37,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,798 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2023-05-20 17:20:37,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 17:20:37,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 17:20:37,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 17:20:37,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 17:20:37,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 17:20:37,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 17:20:37,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 17:20:37,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 17:20:37,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (1/1) ... [2023-05-20 17:20:37,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:20:37,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:20:37,874 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 17:20:37,877 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 17:20:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 17:20:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 17:20:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 17:20:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 17:20:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 17:20:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 17:20:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 17:20:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 17:20:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 17:20:37,907 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 17:20:37,994 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 17:20:37,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 17:20:38,320 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 17:20:38,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 17:20:38,526 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 17:20:38,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:20:38 BoogieIcfgContainer [2023-05-20 17:20:38,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 17:20:38,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 17:20:38,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 17:20:38,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 17:20:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:20:37" (1/3) ... [2023-05-20 17:20:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602426b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:20:38, skipping insertion in model container [2023-05-20 17:20:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:20:37" (2/3) ... [2023-05-20 17:20:38,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602426b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:20:38, skipping insertion in model container [2023-05-20 17:20:38,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:20:38" (3/3) ... [2023-05-20 17:20:38,541 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2023-05-20 17:20:38,548 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 17:20:38,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 17:20:38,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 17:20:38,556 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 17:20:38,647 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 17:20:38,682 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:20:38,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 17:20:38,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:20:38,686 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 17:20:38,687 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 17:20:38,724 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 17:20:38,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 17:20:38,748 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;@6e451eea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:20:38,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 17:20:38,951 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 17:20:38,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:38,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1973731126, now seen corresponding path program 1 times [2023-05-20 17:20:38,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:38,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804503892] [2023-05-20 17:20:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:38,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:20:39,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:39,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804503892] [2023-05-20 17:20:39,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804503892] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:20:39,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:20:39,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 17:20:39,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054197614] [2023-05-20 17:20:39,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:20:39,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 17:20:39,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:39,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 17:20:39,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 17:20:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:39,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:20:39,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 17:20:39,285 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 17:20:39,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:39,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1242283064, now seen corresponding path program 1 times [2023-05-20 17:20:39,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:39,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404938249] [2023-05-20 17:20:39,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:39,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:39,636 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 17:20:39,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:39,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404938249] [2023-05-20 17:20:39,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404938249] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:20:39,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:20:39,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:20:39,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273683122] [2023-05-20 17:20:39,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:20:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:20:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:20:39,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:20:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:39,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 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 17:20:39,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:39,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 17:20:39,776 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 17:20:39,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:39,777 INFO L85 PathProgramCache]: Analyzing trace with hash -62614658, now seen corresponding path program 1 times [2023-05-20 17:20:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:39,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079075741] [2023-05-20 17:20:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 17:20:40,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:40,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079075741] [2023-05-20 17:20:40,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079075741] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:20:40,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:20:40,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 17:20:40,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865130586] [2023-05-20 17:20:40,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:20:40,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:20:40,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:20:40,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-20 17:20:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:40,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 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 17:20:40,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:40,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:40,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 17:20:40,247 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 17:20:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash -693570029, now seen corresponding path program 1 times [2023-05-20 17:20:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:40,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984925628] [2023-05-20 17:20:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 17:20:40,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:40,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984925628] [2023-05-20 17:20:40,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984925628] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:20:40,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:20:40,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:20:40,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153594333] [2023-05-20 17:20:40,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:20:40,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:20:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:20:40,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:20:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:40,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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 17:20:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:40,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 17:20:40,625 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 17:20:40,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:40,626 INFO L85 PathProgramCache]: Analyzing trace with hash -632264144, now seen corresponding path program 1 times [2023-05-20 17:20:40,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:40,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480052110] [2023-05-20 17:20:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:40,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 17:20:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:40,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480052110] [2023-05-20 17:20:40,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480052110] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:20:40,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227992007] [2023-05-20 17:20:40,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:20:40,889 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 17:20:40,908 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 17:20:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 17:20:41,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:20:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 17:20:41,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:20:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:20:41,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227992007] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:20:41,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:20:41,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 19 [2023-05-20 17:20:41,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058127241] [2023-05-20 17:20:41,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:20:41,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 17:20:41,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:41,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 17:20:41,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-05-20 17:20:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:41,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:41,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.736842105263158) internal successors, (185), 19 states have internal predecessors, (185), 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 17:20:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:42,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 17:20:42,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 17:20:42,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:42,249 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:20:42,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:42,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1805653256, now seen corresponding path program 2 times [2023-05-20 17:20:42,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:42,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654680821] [2023-05-20 17:20:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:42,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 17:20:42,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:42,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654680821] [2023-05-20 17:20:42,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654680821] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:20:42,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920310531] [2023-05-20 17:20:42,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:20:42,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:20:42,754 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 17:20:42,782 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 17:20:42,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 17:20:42,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:20:42,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 17:20:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:20:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 17:20:43,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:20:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-20 17:20:43,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920310531] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:20:43,463 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:20:43,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 8] total 34 [2023-05-20 17:20:43,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802510473] [2023-05-20 17:20:43,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:20:43,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-20 17:20:43,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:43,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-20 17:20:43,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=959, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 17:20:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:43,465 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:43,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.794117647058823) internal successors, (231), 34 states have internal predecessors, (231), 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 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 17:20:43,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:20:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:20:45,011 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 17:20:45,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:45,205 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:20:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:45,206 INFO L85 PathProgramCache]: Analyzing trace with hash -680726686, now seen corresponding path program 3 times [2023-05-20 17:20:45,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:45,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464427229] [2023-05-20 17:20:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:20:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-20 17:20:48,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:20:48,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464427229] [2023-05-20 17:20:48,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464427229] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:20:48,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335324269] [2023-05-20 17:20:48,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:20:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:20:48,217 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 17:20:48,268 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 17:20:48,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 17:20:48,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:20:48,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 17:20:48,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:20:48,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2023-05-20 17:20:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-20 17:20:48,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:20:48,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2023-05-20 17:20:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-20 17:20:49,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335324269] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:20:49,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:20:49,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 11, 11] total 43 [2023-05-20 17:20:49,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577801986] [2023-05-20 17:20:49,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:20:49,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 17:20:49,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:20:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 17:20:49,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1620, Unknown=0, NotChecked=0, Total=1806 [2023-05-20 17:20:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:49,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:20:49,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.767441860465116) internal successors, (291), 43 states have internal predecessors, (291), 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 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:20:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:20:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:20:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:20:50,021 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 17:20:50,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:20:50,213 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:20:50,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:20:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1225023956, now seen corresponding path program 4 times [2023-05-20 17:20:50,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:20:50,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531398499] [2023-05-20 17:20:50,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:20:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:20:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:21:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 25 proven. 187 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 17:21:03,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:21:03,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531398499] [2023-05-20 17:21:03,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531398499] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:21:03,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741358398] [2023-05-20 17:21:03,624 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:21:03,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:21:03,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:21:03,629 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 17:21:03,632 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 17:21:03,818 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:21:03,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:21:03,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 124 conjunts are in the unsatisfiable core [2023-05-20 17:21:03,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:21:06,989 INFO L356 Elim1Store]: treesize reduction 170, result has 21.7 percent of original size [2023-05-20 17:21:06,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 431 treesize of output 119 [2023-05-20 17:21:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 78 proven. 104 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-05-20 17:21:07,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:21:14,411 INFO L356 Elim1Store]: treesize reduction 1055, result has 12.8 percent of original size [2023-05-20 17:21:14,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 31 new quantified variables, introduced 120 case distinctions, treesize of input 2070 treesize of output 368 [2023-05-20 17:21:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 6 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:21:15,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741358398] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:21:15,959 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:21:15,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 27, 35] total 99 [2023-05-20 17:21:15,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313359576] [2023-05-20 17:21:15,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:21:15,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-20 17:21:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:21:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-20 17:21:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=8305, Unknown=0, NotChecked=0, Total=9702 [2023-05-20 17:21:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:15,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:21:15,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.262626262626263) internal successors, (521), 99 states have internal predecessors, (521), 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 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:21:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:27,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:21:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 17:21:27,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-20 17:21:28,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:21:28,185 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:21:28,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:21:28,185 INFO L85 PathProgramCache]: Analyzing trace with hash -458817301, now seen corresponding path program 5 times [2023-05-20 17:21:28,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:21:28,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956519764] [2023-05-20 17:21:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:21:28,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:21:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:21:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 101 proven. 52 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 17:21:28,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:21:28,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956519764] [2023-05-20 17:21:28,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956519764] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:21:28,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674804304] [2023-05-20 17:21:28,799 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:21:28,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:21:28,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:21:28,800 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) [2023-05-20 17:21:28,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 17:21:28,994 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 17:21:28,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:21:28,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-20 17:21:29,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:21:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 50 proven. 220 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-05-20 17:21:29,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:21:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 58 proven. 66 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-05-20 17:21:29,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674804304] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:21:29,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:21:29,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 12] total 52 [2023-05-20 17:21:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835628189] [2023-05-20 17:21:29,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:21:29,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-20 17:21:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:21:29,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-20 17:21:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=2407, Unknown=0, NotChecked=0, Total=2652 [2023-05-20 17:21:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:29,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:21:29,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.461538461538462) internal successors, (284), 52 states have internal predecessors, (284), 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 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 17:21:29,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 17:21:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 17:21:32,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 17:21:32,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:21:32,482 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:21:32,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:21:32,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1618091915, now seen corresponding path program 6 times [2023-05-20 17:21:32,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:21:32,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335228392] [2023-05-20 17:21:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:21:32,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:21:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:21:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 15 proven. 293 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 17:21:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:21:45,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335228392] [2023-05-20 17:21:45,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335228392] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:21:45,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892734842] [2023-05-20 17:21:45,573 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 17:21:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:21:45,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:21:45,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:21:45,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 17:21:46,075 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-20 17:21:46,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:21:46,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-20 17:21:46,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:21:46,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-20 17:21:46,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 17:21:47,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 17:21:48,333 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-20 17:21:48,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 81 [2023-05-20 17:21:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 155 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-05-20 17:21:48,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:21:52,069 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse5 (select .cse7 c_~f_inv~0.base)) (.cse6 (select .cse7 ~f~0.base))) (let ((.cse4 (select .cse5 (+ (* (select .cse6 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse0 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ c_~f~0.offset (* 4 .cse4))) 4))))) (let ((.cse2 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ c_~f~0.offset (* (select .cse5 (+ (* (select .cse6 (+ c_~f~0.offset (* .cse0 4))) 4) ~f_inv~0.offset)) 4))) 4))))) (let ((.cse1 (select .cse6 (+ c_~f~0.offset (* (select .cse5 (+ (* .cse2 4) ~f_inv~0.offset)) 4)))) (.cse3 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ (* c_~counter~0 4) c_~f~0.offset)) 4))))) (or (not (<= 0 .cse0)) (= .cse1 0) (not (= .cse2 .cse1)) (not (= c_~counter~0 .cse3)) (not (= v_~counter~0_237 .cse4)) (not (<= v_~counter~0_237 .cse3)))))))))) is different from false [2023-05-20 17:21:52,225 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_#t~ret19#1.base|)) (.cse5 (select .cse7 ~f~0.base))) (let ((.cse3 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse2 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ c_~f~0.offset (* .cse3 4))) 4))))) (let ((.cse4 (select .cse6 (+ (* 4 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ c_~f~0.offset (* 4 .cse2))) 4))) 4)))) ~f_inv~0.offset)))) (let ((.cse1 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ (* c_~counter~0 4) c_~f~0.offset)) 4)))) (.cse0 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* .cse4 4) ~f_inv~0.offset)) 4))))) (or (= .cse0 0) (not (<= v_~counter~0_237 .cse1)) (not (= .cse1 c_~counter~0)) (not (<= 0 .cse2)) (not (= v_~counter~0_237 .cse3)) (not (= .cse0 .cse4)))))))))) is different from false [2023-05-20 17:21:52,288 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse5 (select .cse7 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse6 (select .cse7 ~f~0.base))) (let ((.cse4 (select .cse5 (+ (* (select .cse6 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse0 (select .cse5 (+ (* 4 (select .cse6 (+ c_~f~0.offset (* 4 .cse4)))) ~f_inv~0.offset)))) (let ((.cse2 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ (* (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ c_~f~0.offset (* .cse0 4))) 4))) 4) c_~f~0.offset)) 4))))) (let ((.cse3 (select .cse6 (+ c_~f~0.offset (* (select .cse5 (+ (* .cse2 4) ~f_inv~0.offset)) 4)))) (.cse1 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ (* c_~counter~0 4) c_~f~0.offset)) 4))))) (or (not (<= 0 .cse0)) (not (= .cse1 c_~counter~0)) (not (= .cse2 .cse3)) (= .cse3 0) (not (= v_~counter~0_237 .cse4)) (not (<= v_~counter~0_237 .cse1)))))))))) is different from false [2023-05-20 17:21:52,338 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse5 (select .cse7 ~f~0.base))) (let ((.cse0 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse4 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* .cse0 4))) 4) ~f_inv~0.offset)))) (let ((.cse2 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* .cse4 4))) 4) ~f_inv~0.offset)) 4))) 4) ~f_inv~0.offset)))) (let ((.cse1 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ (* c_~counter~0 4) c_~f~0.offset)) 4)))) (.cse3 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* .cse2 4) ~f_inv~0.offset)) 4))))) (or (not (= v_~counter~0_237 .cse0)) (not (<= v_~counter~0_237 .cse1)) (not (= .cse1 c_~counter~0)) (not (= .cse2 .cse3)) (not (<= 0 .cse4)) (= .cse3 0))))))))) is different from false [2023-05-20 17:21:52,576 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 17:21:52,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1012 treesize of output 568 Received shutdown request... [2023-05-20 17:34:44,279 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 17:34:44,279 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 17:34:44,279 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 17:34:44,570 WARN L249 SmtUtils]: Removed 402 from assertion stack [2023-05-20 17:34:44,572 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 17:34:44,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 17:34:44,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:34:44,773 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 771949ms.. [2023-05-20 17:34:44,774 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 17:34:44,775 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 17:34:44,778 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1] [2023-05-20 17:34:44,780 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 17:34:44,780 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 17:34:44,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 05:34:44 BasicIcfg [2023-05-20 17:34:44,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 17:34:44,784 INFO L158 Benchmark]: Toolchain (without parser) took 847368.51ms. Allocated memory was 183.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 122.4MB in the beginning and 1.1GB in the end (delta: -974.5MB). Peak memory consumption was 705.0MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,784 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 183.5MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 17:34:44,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.09ms. Allocated memory was 183.5MB in the beginning and 294.6MB in the end (delta: 111.1MB). Free memory was 122.3MB in the beginning and 262.4MB in the end (delta: -140.1MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.34ms. Allocated memory is still 294.6MB. Free memory was 262.4MB in the beginning and 260.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,785 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 294.6MB. Free memory was 260.3MB in the beginning and 258.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,785 INFO L158 Benchmark]: RCFGBuilder took 691.17ms. Allocated memory is still 294.6MB. Free memory was 258.2MB in the beginning and 224.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,785 INFO L158 Benchmark]: TraceAbstraction took 846252.33ms. Allocated memory was 294.6MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 223.2MB in the beginning and 1.1GB in the end (delta: -873.7MB). Peak memory consumption was 695.3MB. Max. memory is 8.0GB. [2023-05-20 17:34:44,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 183.5MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 318.09ms. Allocated memory was 183.5MB in the beginning and 294.6MB in the end (delta: 111.1MB). Free memory was 122.3MB in the beginning and 262.4MB in the end (delta: -140.1MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.34ms. Allocated memory is still 294.6MB. Free memory was 262.4MB in the beginning and 260.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 294.6MB. Free memory was 260.3MB in the beginning and 258.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 691.17ms. Allocated memory is still 294.6MB. Free memory was 258.2MB in the beginning and 224.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 846252.33ms. Allocated memory was 294.6MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 223.2MB in the beginning and 1.1GB in the end (delta: -873.7MB). Peak memory consumption was 695.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4145, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 1153, dependent conditional: 1145, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 591, independent conditional: 0, independent unconditional: 591, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 172, dependent conditional: 73, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3047, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 604, unknown conditional: 5, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 591, Positive conditional cache size: 0, Positive unconditional cache size: 591, Negative cache size: 13, Negative conditional cache size: 5, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 1136 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 177, Number of trivial persistent sets: 157, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 645, independent conditional: 0, independent unconditional: 645, 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: 4145, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 1153, dependent conditional: 1145, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 591, independent conditional: 0, independent unconditional: 591, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 172, dependent conditional: 73, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3047, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 604, unknown conditional: 5, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 591, Positive conditional cache size: 0, Positive unconditional cache size: 591, Negative cache size: 13, Negative conditional cache size: 5, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 1136 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 771949ms.. - TimeoutResultAtElement [Line: 82]: 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 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 771949ms.. - TimeoutResultAtElement [Line: 83]: 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 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 771949ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 173 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 846.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 18.1s, 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: 312, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 32.6s InterpolantComputationTime, 2419 NumberOfCodeBlocks, 2339 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3355 ConstructedInterpolants, 0 QuantifiedInterpolants, 76250 SizeOfPredicates, 119 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 1396/2586 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