/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 05:34:23,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 05:34:23,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 05:34:23,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 05:34:23,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 05:34:23,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 05:34:23,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 05:34:23,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 05:34:23,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 05:34:23,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 05:34:23,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 05:34:23,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 05:34:23,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 05:34:23,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 05:34:23,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 05:34:23,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 05:34:23,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 05:34:23,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 05:34:23,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 05:34:23,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 05:34:23,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 05:34:23,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 05:34:23,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 05:34:23,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 05:34:23,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 05:34:23,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 05:34:23,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 05:34:23,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 05:34:23,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 05:34:23,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 05:34:23,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 05:34:23,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 05:34:23,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 05:34:23,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 05:34:23,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 05:34:23,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 05:34:23,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 05:34:23,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 05:34:23,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 05:34:23,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 05:34:23,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 05:34:23,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 05:34:23,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 05:34:23,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 05:34:23,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 05:34:23,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 05:34:23,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 05:34:23,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 05:34:23,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 05:34:23,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 05:34:23,446 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 05:34:23,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 05:34:23,447 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 05:34:23,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 05:34:23,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 05:34:23,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 05:34:23,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 05:34:23,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 05:34:23,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 05:34:23,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 05:34:23,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 05:34:23,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 05:34:23,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:34:23,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 05:34:23,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 05:34:23,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 05:34:23,451 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 05:34:23,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 05:34:23,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 05:34:23,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 05:34:23,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 05:34:23,710 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 05:34:23,711 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 05:34:23,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-05-20 05:34:23,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b824725b1/26fc8f50f0de4c338b58ef8ab6b427a7/FLAGd962475ee [2023-05-20 05:34:24,157 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 05:34:24,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-05-20 05:34:24,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b824725b1/26fc8f50f0de4c338b58ef8ab6b427a7/FLAGd962475ee [2023-05-20 05:34:24,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b824725b1/26fc8f50f0de4c338b58ef8ab6b427a7 [2023-05-20 05:34:24,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 05:34:24,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 05:34:24,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 05:34:24,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 05:34:24,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 05:34:24,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9b79fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24, skipping insertion in model container [2023-05-20 05:34:24,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 05:34:24,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 05:34:24,451 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-horseshoe.wvr.c[3424,3437] [2023-05-20 05:34:24,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:34:24,469 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 05:34:24,509 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-horseshoe.wvr.c[3424,3437] [2023-05-20 05:34:24,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:34:24,525 INFO L208 MainTranslator]: Completed translation [2023-05-20 05:34:24,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24 WrapperNode [2023-05-20 05:34:24,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 05:34:24,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 05:34:24,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 05:34:24,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 05:34:24,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,586 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 245 [2023-05-20 05:34:24,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 05:34:24,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 05:34:24,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 05:34:24,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 05:34:24,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 05:34:24,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 05:34:24,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 05:34:24,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 05:34:24,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (1/1) ... [2023-05-20 05:34:24,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:34:24,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:24,666 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 05:34:24,691 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 05:34:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 05:34:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 05:34:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 05:34:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 05:34:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 05:34:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 05:34:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 05:34:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 05:34:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 05:34:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 05:34:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 05:34:24,707 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 05:34:24,857 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 05:34:24,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 05:34:25,161 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 05:34:25,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 05:34:25,279 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 05:34:25,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:34:25 BoogieIcfgContainer [2023-05-20 05:34:25,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 05:34:25,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 05:34:25,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 05:34:25,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 05:34:25,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:34:24" (1/3) ... [2023-05-20 05:34:25,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f18ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:34:25, skipping insertion in model container [2023-05-20 05:34:25,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:34:24" (2/3) ... [2023-05-20 05:34:25,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f18ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:34:25, skipping insertion in model container [2023-05-20 05:34:25,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:34:25" (3/3) ... [2023-05-20 05:34:25,291 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2023-05-20 05:34:25,298 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 05:34:25,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 05:34:25,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 05:34:25,306 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 05:34:25,368 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 05:34:25,419 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:34:25,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 05:34:25,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:25,421 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 05:34:25,441 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 05:34:25,458 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 05:34:25,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 05:34:25,486 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;@71d9c18f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:34:25,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 05:34:25,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:25,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:25,750 INFO L85 PathProgramCache]: Analyzing trace with hash 694644860, now seen corresponding path program 1 times [2023-05-20 05:34:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:25,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797008288] [2023-05-20 05:34:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 05:34:26,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:26,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797008288] [2023-05-20 05:34:26,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797008288] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:34:26,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:34:26,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 05:34:26,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680607772] [2023-05-20 05:34:26,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:34:26,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 05:34:26,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:26,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 05:34:26,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 05:34:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:26,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:26,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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 05:34:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:26,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 05:34:26,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:26,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:26,343 INFO L85 PathProgramCache]: Analyzing trace with hash 100051429, now seen corresponding path program 1 times [2023-05-20 05:34:26,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:26,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488531179] [2023-05-20 05:34:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:26,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-20 05:34:26,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:26,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488531179] [2023-05-20 05:34:26,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488531179] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:34:26,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:34:26,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 05:34:26,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233889204] [2023-05-20 05:34:26,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:34:26,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 05:34:26,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:26,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 05:34:26,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 05:34:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:26,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:26,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:34:26,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:26,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:27,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 05:34:27,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:27,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1665685739, now seen corresponding path program 1 times [2023-05-20 05:34:27,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:27,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700152002] [2023-05-20 05:34:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-05-20 05:34:27,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:27,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700152002] [2023-05-20 05:34:27,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700152002] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:34:27,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:34:27,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 05:34:27,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930061506] [2023-05-20 05:34:27,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:34:27,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 05:34:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:27,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 05:34:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 05:34:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:27,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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 05:34:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:27,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 05:34:27,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash 349032506, now seen corresponding path program 1 times [2023-05-20 05:34:27,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:27,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145380701] [2023-05-20 05:34:27,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 17 proven. 22 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-20 05:34:27,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:27,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145380701] [2023-05-20 05:34:27,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145380701] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:27,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354461688] [2023-05-20 05:34:27,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:27,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:27,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:27,944 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 05:34:27,960 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 05:34:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:28,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 05:34:28,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-20 05:34:28,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-20 05:34:28,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354461688] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:28,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:28,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 05:34:28,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513788541] [2023-05-20 05:34:28,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:28,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 05:34:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:28,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 05:34:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 05:34:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:28,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:28,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.473684210526315) internal successors, (275), 19 states have internal predecessors, (275), 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 05:34:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:28,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:29,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 05:34:29,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-20 05:34:29,198 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1934362262, now seen corresponding path program 2 times [2023-05-20 05:34:29,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:29,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120046522] [2023-05-20 05:34:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 26 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 05:34:29,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:29,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120046522] [2023-05-20 05:34:29,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120046522] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:29,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011508696] [2023-05-20 05:34:29,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:34:29,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:29,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:29,684 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 05:34:29,701 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 05:34:29,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:34:29,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:29,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 05:34:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 05:34:30,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 05:34:30,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011508696] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:30,838 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:30,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 33 [2023-05-20 05:34:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899231954] [2023-05-20 05:34:30,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:30,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-20 05:34:30,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-20 05:34:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2023-05-20 05:34:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:30,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:30,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 12.969696969696969) internal successors, (428), 33 states have internal predecessors, (428), 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 05:34:30,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:30,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:30,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:30,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:30,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:31,368 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 05:34:31,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:31,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash -220928966, now seen corresponding path program 3 times [2023-05-20 05:34:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:31,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602854343] [2023-05-20 05:34:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-20 05:34:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:31,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602854343] [2023-05-20 05:34:31,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602854343] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:31,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128241343] [2023-05-20 05:34:31,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:34:31,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:31,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:31,892 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 05:34:31,905 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 05:34:32,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 05:34:32,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:32,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 05:34:32,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-20 05:34:32,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-20 05:34:32,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128241343] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:32,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:32,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 05:34:32,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189742309] [2023-05-20 05:34:32,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:32,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 05:34:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:32,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 05:34:32,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 05:34:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:32,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:32,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.947368421052632) internal successors, (246), 19 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:32,908 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 05:34:33,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:33,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:33,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1085444235, now seen corresponding path program 4 times [2023-05-20 05:34:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:33,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48812731] [2023-05-20 05:34:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 46 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-20 05:34:33,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48812731] [2023-05-20 05:34:33,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48812731] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333722104] [2023-05-20 05:34:33,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:34:33,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:33,587 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 05:34:33,604 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 05:34:33,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:34:33,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:33,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 05:34:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-20 05:34:34,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-20 05:34:34,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333722104] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:34,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:34,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 05:34:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131326018] [2023-05-20 05:34:34,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:34,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 05:34:34,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:34,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 05:34:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 05:34:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:34,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:34,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.071428571428571) internal successors, (338), 28 states have internal predecessors, (338), 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 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:34,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 05:34:35,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:35,104 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:35,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:35,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1340613670, now seen corresponding path program 5 times [2023-05-20 05:34:35,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:35,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19285355] [2023-05-20 05:34:35,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:35,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 05:34:35,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:35,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19285355] [2023-05-20 05:34:35,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19285355] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:35,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286213402] [2023-05-20 05:34:35,616 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:34:35,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:35,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:35,618 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 05:34:35,619 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 05:34:35,915 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-20 05:34:35,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:35,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 05:34:35,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 25 proven. 61 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 05:34:36,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 36 proven. 50 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 05:34:38,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286213402] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:38,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:38,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 45 [2023-05-20 05:34:38,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543240031] [2023-05-20 05:34:38,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:38,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-20 05:34:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:38,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-20 05:34:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1626, Unknown=0, NotChecked=0, Total=1980 [2023-05-20 05:34:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:38,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:38,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 12.133333333333333) internal successors, (546), 45 states have internal predecessors, (546), 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 05:34:38,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:38,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:38,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:38,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:38,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:39,004 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 05:34:39,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:39,189 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:39,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:39,190 INFO L85 PathProgramCache]: Analyzing trace with hash 584229845, now seen corresponding path program 6 times [2023-05-20 05:34:39,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:39,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528414623] [2023-05-20 05:34:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 14 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:34:46,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:46,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528414623] [2023-05-20 05:34:46,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528414623] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:46,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406161687] [2023-05-20 05:34:46,892 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:34:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:46,894 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 05:34:46,894 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 05:34:47,415 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-20 05:34:47,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:47,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 05:34:47,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:47,959 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 23 treesize of output 7 [2023-05-20 05:34:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-05-20 05:34:48,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:48,212 INFO L356 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2023-05-20 05:34:48,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2023-05-20 05:34:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-05-20 05:34:48,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406161687] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:48,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:48,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 8, 8] total 67 [2023-05-20 05:34:48,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301477201] [2023-05-20 05:34:48,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:48,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-20 05:34:48,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:48,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-20 05:34:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=4213, Unknown=0, NotChecked=0, Total=4422 [2023-05-20 05:34:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:48,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:48,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 6.477611940298507) internal successors, (434), 67 states have internal predecessors, (434), 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 05:34:48,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:48,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:48,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:34:52,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 05:34:52,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:52,411 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:52,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:52,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1395548668, now seen corresponding path program 7 times [2023-05-20 05:34:52,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:52,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686507728] [2023-05-20 05:34:52,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:52,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 122 proven. 213 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-05-20 05:34:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:53,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686507728] [2023-05-20 05:34:53,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686507728] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:53,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889759737] [2023-05-20 05:34:53,121 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 05:34:53,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:53,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:34:53,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 05:34:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:53,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 05:34:53,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 286 proven. 111 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-05-20 05:34:54,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 249 proven. 148 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-05-20 05:34:55,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889759737] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:55,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:55,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24, 24] total 61 [2023-05-20 05:34:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917192198] [2023-05-20 05:34:55,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:55,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-20 05:34:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:55,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-20 05:34:55,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=3211, Unknown=0, NotChecked=0, Total=3660 [2023-05-20 05:34:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:55,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:55,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 9.40983606557377) internal successors, (574), 61 states have internal predecessors, (574), 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 05:34:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:55,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:55,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:55,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:55,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:34:55,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:34:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:34:56,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 05:34:57,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 05:34:57,085 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:34:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:34:57,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1809551537, now seen corresponding path program 8 times [2023-05-20 05:34:57,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:34:57,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332768807] [2023-05-20 05:34:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:34:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:34:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:34:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 176 proven. 208 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-05-20 05:34:57,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:34:57,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332768807] [2023-05-20 05:34:57,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332768807] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:34:57,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000440932] [2023-05-20 05:34:57,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:34:57,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:34:57,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:34:57,810 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:34:57,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 05:34:58,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:34:58,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:34:58,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 05:34:58,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:34:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 319 proven. 75 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-05-20 05:34:58,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:34:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 152 proven. 242 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-05-20 05:34:59,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000440932] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:34:59,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:34:59,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 58 [2023-05-20 05:34:59,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377463609] [2023-05-20 05:34:59,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:34:59,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-20 05:34:59,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:34:59,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-20 05:34:59,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=2737, Unknown=0, NotChecked=0, Total=3306 [2023-05-20 05:34:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:59,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:34:59,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 9.327586206896552) internal successors, (541), 58 states have internal predecessors, (541), 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 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:34:59,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:00,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 05:35:00,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:35:00,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:35:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:35:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash 762612655, now seen corresponding path program 9 times [2023-05-20 05:35:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:35:00,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839232496] [2023-05-20 05:35:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:35:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:35:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:35:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 165 proven. 305 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-05-20 05:35:01,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:35:01,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839232496] [2023-05-20 05:35:01,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839232496] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:35:01,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417408438] [2023-05-20 05:35:01,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:35:01,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:35:01,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:35:01,380 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:35:01,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 05:35:02,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-20 05:35:02,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:35:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 103 conjunts are in the unsatisfiable core [2023-05-20 05:35:02,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:35:04,005 INFO L356 Elim1Store]: treesize reduction 66, result has 4.3 percent of original size [2023-05-20 05:35:04,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 22 [2023-05-20 05:35:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 216 proven. 352 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-20 05:35:04,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:35:05,025 INFO L356 Elim1Store]: treesize reduction 25, result has 63.8 percent of original size [2023-05-20 05:35:05,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 67 [2023-05-20 05:35:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-05-20 05:35:05,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417408438] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:35:05,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:35:05,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 44, 30] total 94 [2023-05-20 05:35:05,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038231055] [2023-05-20 05:35:05,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:35:05,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-20 05:35:05,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:35:05,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-20 05:35:05,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1217, Invalid=7525, Unknown=0, NotChecked=0, Total=8742 [2023-05-20 05:35:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:05,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:35:05,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.75531914893617) internal successors, (635), 94 states have internal predecessors, (635), 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 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:05,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:05,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:05,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:05,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:35:07,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 05:35:07,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 05:35:07,819 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:35:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:35:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1093348737, now seen corresponding path program 10 times [2023-05-20 05:35:07,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:35:07,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505726639] [2023-05-20 05:35:07,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:35:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:35:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:35:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 321 proven. 344 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:35:09,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:35:09,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505726639] [2023-05-20 05:35:09,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505726639] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:35:09,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185046008] [2023-05-20 05:35:09,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:35:09,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:35:09,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:35:09,160 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:35:09,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 05:35:09,330 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:35:09,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:35:09,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-20 05:35:09,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:35:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 340 proven. 325 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:35:10,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:35:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 269 proven. 396 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:35:11,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185046008] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:35:11,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:35:11,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2023-05-20 05:35:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753102054] [2023-05-20 05:35:11,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:35:11,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-05-20 05:35:11,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:35:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-05-20 05:35:11,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1481, Invalid=8419, Unknown=0, NotChecked=0, Total=9900 [2023-05-20 05:35:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:11,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:35:11,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.87) internal successors, (687), 100 states have internal predecessors, (687), 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 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:35:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:35:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:35:13,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-20 05:35:13,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 05:35:13,289 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:35:13,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:35:13,289 INFO L85 PathProgramCache]: Analyzing trace with hash -309332049, now seen corresponding path program 11 times [2023-05-20 05:35:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:35:13,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619031853] [2023-05-20 05:35:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:35:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:35:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:35:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 191 proven. 699 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:35:25,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:35:25,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619031853] [2023-05-20 05:35:25,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619031853] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:35:25,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24751750] [2023-05-20 05:35:25,060 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:35:25,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:35:25,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:35:25,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:35:25,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 05:35:28,446 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-05-20 05:35:28,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:35:28,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 100 conjunts are in the unsatisfiable core [2023-05-20 05:35:28,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:35:28,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 05:35:28,562 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-20 05:35:28,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 18 [2023-05-20 05:35:29,223 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 05:35:29,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-05-20 05:35:35,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:35:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:35:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:35:36,053 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 05:35:36,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2023-05-20 05:35:36,677 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:35:36,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 60 [2023-05-20 05:35:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 199 proven. 537 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:35:37,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:35:40,269 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:35:40,269 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 242 [2023-05-20 05:35:40,290 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:35:40,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 125 [2023-05-20 05:35:40,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 54 treesize of output 42 [2023-05-20 05:35:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 276 proven. 460 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:35:50,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24751750] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:35:50,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:35:50,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 58, 58] total 200 [2023-05-20 05:35:50,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459691785] [2023-05-20 05:35:50,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:35:50,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 200 states [2023-05-20 05:35:50,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:35:50,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2023-05-20 05:35:51,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2422, Invalid=37324, Unknown=54, NotChecked=0, Total=39800 [2023-05-20 05:35:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:51,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:35:51,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 200 states, 200 states have (on average 4.565) internal successors, (913), 200 states have internal predecessors, (913), 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 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:35:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:36:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:36:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:36:15,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 05:36:15,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 05:36:15,451 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:36:15,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:36:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash -908540871, now seen corresponding path program 12 times [2023-05-20 05:36:15,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:36:15,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175366700] [2023-05-20 05:36:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:36:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:36:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:36:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 33 proven. 735 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2023-05-20 05:36:21,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:36:21,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175366700] [2023-05-20 05:36:21,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175366700] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:36:21,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9153889] [2023-05-20 05:36:21,691 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:36:21,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:36:21,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:36:21,693 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:36:21,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 05:36:23,912 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-20 05:36:23,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:36:23,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-20 05:36:23,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:36:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:36:26,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:36:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:36:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:36:26,724 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 05:36:26,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2023-05-20 05:36:26,892 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:36:26,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2023-05-20 05:36:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 123 proven. 12 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2023-05-20 05:36:26,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:36:27,188 WARN L833 $PredicateComparison]: unable to prove that (forall ((~q2~0.offset Int) (v_ArrVal_960 (Array Int Int))) (or (not (<= (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) (+ (select (select |c_#memory_int| c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_back~0 4))) 1))) (< 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_960) c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_front~0 4)))))) is different from false [2023-05-20 05:36:27,244 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_959 (Array Int Int)) (~q2~0.offset Int) (v_ArrVal_960 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_959))) (or (< 0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_960) c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_front~0 4)))) (not (<= (select (select .cse0 c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) (+ (select (select .cse0 c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_back~0 4))) 1)))))) is different from false [2023-05-20 05:36:27,307 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:36:27,308 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 242 [2023-05-20 05:36:27,331 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:36:27,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 125 [2023-05-20 05:36:27,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 54 treesize of output 42 [2023-05-20 05:36:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 1107 trivial. 9 not checked. [2023-05-20 05:36:30,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9153889] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:36:30,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:36:30,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 22, 22] total 92 [2023-05-20 05:36:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105782317] [2023-05-20 05:36:30,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:36:30,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-05-20 05:36:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:36:30,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-05-20 05:36:30,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=7536, Unknown=9, NotChecked=354, Total=8372 [2023-05-20 05:36:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:30,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:36:30,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 6.728260869565218) internal successors, (619), 92 states have internal predecessors, (619), 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 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:36:30,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:36:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:36:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:36:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:36:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:36:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:36:36,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 05:36:36,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-20 05:36:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 05:36:37,097 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:36:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:36:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash -651546656, now seen corresponding path program 1 times [2023-05-20 05:36:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:36:37,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553386715] [2023-05-20 05:36:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:36:37,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:36:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 6 proven. 1087 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:42,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:42,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553386715] [2023-05-20 05:37:42,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553386715] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:37:42,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883038684] [2023-05-20 05:37:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:42,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:37:42,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:42,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:37:42,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 05:37:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:42,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 160 conjunts are in the unsatisfiable core [2023-05-20 05:37:42,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:37:53,310 INFO L356 Elim1Store]: treesize reduction 84, result has 24.3 percent of original size [2023-05-20 05:37:53,311 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 38 [2023-05-20 05:37:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 17 proven. 1074 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 05:37:53,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:37:55,074 INFO L356 Elim1Store]: treesize reduction 4, result has 96.3 percent of original size [2023-05-20 05:37:55,075 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 117 [2023-05-20 05:38:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 9 proven. 1084 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:38:05,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883038684] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:38:05,602 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:38:05,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 75, 76] total 229 [2023-05-20 05:38:05,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885155640] [2023-05-20 05:38:05,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:38:05,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2023-05-20 05:38:05,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:38:05,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2023-05-20 05:38:05,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6612, Invalid=45599, Unknown=1, NotChecked=0, Total=52212 [2023-05-20 05:38:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:05,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:38:05,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 4.323144104803493) internal successors, (990), 229 states have internal predecessors, (990), 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 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:38:05,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 05:38:05,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:38:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:38:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 05:38:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:38:16,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-20 05:38:16,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:38:16,885 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:38:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:38:16,886 INFO L85 PathProgramCache]: Analyzing trace with hash -719657260, now seen corresponding path program 2 times [2023-05-20 05:38:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:38:16,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010031535] [2023-05-20 05:38:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:38:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:38:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:38:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2023-05-20 05:38:17,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:38:17,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010031535] [2023-05-20 05:38:17,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010031535] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:38:17,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874593668] [2023-05-20 05:38:17,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:38:17,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:38:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:38:17,242 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:38:17,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 05:38:17,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:38:17,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:38:17,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 05:38:17,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:38:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2023-05-20 05:38:17,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:38:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 25 proven. 43 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2023-05-20 05:38:18,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874593668] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:38:18,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:38:18,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 9] total 12 [2023-05-20 05:38:18,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558940775] [2023-05-20 05:38:18,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:38:18,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-20 05:38:18,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:38:18,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-20 05:38:18,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2023-05-20 05:38:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:18,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:38:18,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 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 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:38:18,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 05:38:18,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:38:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 05:38:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 05:38:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:38:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 05:38:18,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 05:38:18,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 05:38:18,889 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:38:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:38:18,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1286852978, now seen corresponding path program 3 times [2023-05-20 05:38:18,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:38:18,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909952205] [2023-05-20 05:38:18,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:38:18,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:38:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 790 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2023-05-20 05:42:51,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:42:51,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909952205] [2023-05-20 05:42:51,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909952205] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:42:51,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161683526] [2023-05-20 05:42:51,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:42:51,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:51,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:42:51,877 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:42:51,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 05:42:52,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 05:42:52,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:42:52,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 136 conjunts are in the unsatisfiable core [2023-05-20 05:42:52,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:42:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:57,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:42:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:58,082 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 05:42:58,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 57 [2023-05-20 05:43:04,995 INFO L356 Elim1Store]: treesize reduction 750, result has 15.1 percent of original size [2023-05-20 05:43:04,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 245 treesize of output 192 [2023-05-20 05:43:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2023-05-20 05:43:05,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:44:39,161 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 1512 DAG size of output: 1488 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 05:44:39,170 INFO L356 Elim1Store]: treesize reduction 98, result has 98.4 percent of original size [2023-05-20 05:44:39,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 12580 treesize of output 16634 [2023-05-20 05:44:43,306 INFO L244 Elim1Store]: Index analysis took 1373 ms [2023-05-20 05:44:53,120 WARN L233 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 446 DAG size of output: 431 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 05:44:53,122 INFO L356 Elim1Store]: treesize reduction 56, result has 96.2 percent of original size [2023-05-20 05:44:53,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 7 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 98 case distinctions, treesize of input 10655 treesize of output 11581 [2023-05-20 05:44:55,837 INFO L244 Elim1Store]: Index analysis took 771 ms [2023-05-20 05:45:02,561 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 300 DAG size of output: 289 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 05:45:02,563 INFO L356 Elim1Store]: treesize reduction 42, result has 95.5 percent of original size [2023-05-20 05:45:02,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 4 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 62 case distinctions, treesize of input 10158 treesize of output 10170 [2023-05-20 05:45:05,986 INFO L244 Elim1Store]: Index analysis took 1114 ms [2023-05-20 05:45:17,904 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 446 DAG size of output: 431 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 05:45:17,906 INFO L356 Elim1Store]: treesize reduction 56, result has 96.2 percent of original size [2023-05-20 05:45:17,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 7 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 98 case distinctions, treesize of input 9274 treesize of output 9734 [2023-05-20 05:45:21,881 INFO L244 Elim1Store]: Index analysis took 841 ms [2023-05-20 05:45:29,497 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 300 DAG size of output: 289 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 05:45:29,498 INFO L356 Elim1Store]: treesize reduction 42, result has 95.5 percent of original size [2023-05-20 05:45:29,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 4 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 62 case distinctions, treesize of input 8311 treesize of output 7439 Received shutdown request... [2023-05-20 05:47:20,499 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 05:47:20,508 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 05:47:20,508 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 05:47:20,518 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 05:47:20,520 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 05:47:20,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-20 05:47:20,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 05:47:20,721 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 382 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 79ms.. [2023-05-20 05:47:20,723 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 05:47:20,723 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 05:47:20,723 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 05:47:20,726 INFO L444 BasicCegarLoop]: Path program histogram: [12, 3, 1, 1, 1] [2023-05-20 05:47:20,728 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 05:47:20,728 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 05:47:20,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 05:47:20 BasicIcfg [2023-05-20 05:47:20,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 05:47:20,731 INFO L158 Benchmark]: Toolchain (without parser) took 776552.27ms. Allocated memory was 180.4MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 125.2MB in the beginning and 1.0GB in the end (delta: -920.6MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2023-05-20 05:47:20,731 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 05:47:20,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.22ms. Allocated memory was 180.4MB in the beginning and 219.2MB in the end (delta: 38.8MB). Free memory was 124.9MB in the beginning and 192.0MB in the end (delta: -67.1MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2023-05-20 05:47:20,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.69ms. Allocated memory is still 219.2MB. Free memory was 192.0MB in the beginning and 190.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 05:47:20,731 INFO L158 Benchmark]: Boogie Preprocessor took 50.75ms. Allocated memory is still 219.2MB. Free memory was 190.0MB in the beginning and 187.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 05:47:20,732 INFO L158 Benchmark]: RCFGBuilder took 645.66ms. Allocated memory is still 219.2MB. Free memory was 187.9MB in the beginning and 153.8MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-05-20 05:47:20,732 INFO L158 Benchmark]: TraceAbstraction took 775444.16ms. Allocated memory was 219.2MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 152.2MB in the beginning and 1.0GB in the end (delta: -893.6MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2023-05-20 05:47:20,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 344.22ms. Allocated memory was 180.4MB in the beginning and 219.2MB in the end (delta: 38.8MB). Free memory was 124.9MB in the beginning and 192.0MB in the end (delta: -67.1MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.69ms. Allocated memory is still 219.2MB. Free memory was 192.0MB in the beginning and 190.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.75ms. Allocated memory is still 219.2MB. Free memory was 190.0MB in the beginning and 187.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 645.66ms. Allocated memory is still 219.2MB. Free memory was 187.9MB in the beginning and 153.8MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 775444.16ms. Allocated memory was 219.2MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 152.2MB in the beginning and 1.0GB in the end (delta: -893.6MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7861, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 1987, dependent conditional: 1967, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5911, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 37, dependent conditional: 17, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5911, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 37, dependent conditional: 17, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 134, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 16, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 16, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1956, independent: 1925, independent conditional: 3, independent unconditional: 1922, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1956, independent: 1919, independent conditional: 0, independent unconditional: 1919, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 60, independent conditional: 8, independent unconditional: 52, dependent: 132, dependent conditional: 29, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6053, independent: 3949, independent conditional: 5, independent unconditional: 3944, dependent: 148, dependent conditional: 5, dependent unconditional: 143, unknown: 1956, unknown conditional: 14, unknown unconditional: 1942] , Statistics on independence cache: Total cache size (in pairs): 1956, Positive cache size: 1925, Positive conditional cache size: 3, Positive unconditional cache size: 1922, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 118, Maximal queried relation: 10, Independence queries for same thread: 1950 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 300, Number of trivial persistent sets: 222, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2247, independent: 2227, independent conditional: 0, independent unconditional: 2227, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7861, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 1987, dependent conditional: 1967, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5911, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 37, dependent conditional: 17, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5911, independent: 5874, independent conditional: 3647, independent unconditional: 2227, dependent: 37, dependent conditional: 17, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 134, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 16, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6053, independent: 5874, independent conditional: 8, independent unconditional: 5866, dependent: 179, dependent conditional: 16, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1956, independent: 1925, independent conditional: 3, independent unconditional: 1922, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1956, independent: 1919, independent conditional: 0, independent unconditional: 1919, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 60, independent conditional: 8, independent unconditional: 52, dependent: 132, dependent conditional: 29, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6053, independent: 3949, independent conditional: 5, independent unconditional: 3944, dependent: 148, dependent conditional: 5, dependent unconditional: 143, unknown: 1956, unknown conditional: 14, unknown unconditional: 1942] , Statistics on independence cache: Total cache size (in pairs): 1956, Positive cache size: 1925, Positive conditional cache size: 3, Positive unconditional cache size: 1922, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 118, Maximal queried relation: 10, Independence queries for same thread: 1950 - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 382 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 79ms.. - TimeoutResultAtElement [Line: 120]: 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 382 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 79ms.. - TimeoutResultAtElement [Line: 121]: 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 382 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 79ms.. - TimeoutResultAtElement [Line: 119]: 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 382 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 79ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 224 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 775.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 54.6s, 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: 670, 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: 0.5s SsaConstructionTime, 9.7s SatisfiabilityAnalysisTime, 164.2s InterpolantComputationTime, 9021 NumberOfCodeBlocks, 8784 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 13206 ConstructedInterpolants, 211 QuantifiedInterpolants, 155209 SizeOfPredicates, 328 NumberOfNonLiveVariables, 9656 ConjunctsInSsa, 580 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 13776/23356 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