/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:48:40,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:48:40,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:48:40,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:48:40,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:48:40,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:48:40,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:48:40,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:48:40,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:48:40,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:48:40,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:48:40,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:48:40,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:48:40,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:48:40,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:48:40,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:48:40,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:48:40,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:48:40,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:48:40,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:48:40,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:48:40,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:48:40,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:48:40,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:48:40,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:48:40,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:48:40,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:48:40,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:48:40,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:48:40,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:48:40,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:48:40,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:48:40,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:48:40,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:48:40,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:48:40,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:48:40,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:48:40,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:48:40,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:48:40,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:48:40,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:48:40,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:48:40,195 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:48:40,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:48:40,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:48:40,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:48:40,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:48:40,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:48:40,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:48:40,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:48:40,197 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:48:40,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:48:40,197 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:48:40,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:48:40,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:48:40,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:48:40,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:48:40,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:48:40,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:48:40,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:48:40,200 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:48:40,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:48:40,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:48:40,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:48:40,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:48:40,390 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:48:40,392 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:48:40,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-05-04 12:48:40,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756c9fd12/4d48ef75c9db4e9887fb69c5ab6e1d76/FLAG6c5f5bda5 [2023-05-04 12:48:40,858 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:48:40,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-05-04 12:48:40,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756c9fd12/4d48ef75c9db4e9887fb69c5ab6e1d76/FLAG6c5f5bda5 [2023-05-04 12:48:41,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756c9fd12/4d48ef75c9db4e9887fb69c5ab6e1d76 [2023-05-04 12:48:41,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:48:41,246 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:48:41,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:48:41,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:48:41,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:48:41,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4ae149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41, skipping insertion in model container [2023-05-04 12:48:41,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:48:41,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:48:41,420 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-more-sum-array-hom.wvr.c[2396,2409] [2023-05-04 12:48:41,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:48:41,430 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:48:41,443 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-more-sum-array-hom.wvr.c[2396,2409] [2023-05-04 12:48:41,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:48:41,455 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:48:41,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41 WrapperNode [2023-05-04 12:48:41,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:48:41,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:48:41,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:48:41,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:48:41,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,482 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2023-05-04 12:48:41,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:48:41,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:48:41,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:48:41,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:48:41,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:48:41,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:48:41,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:48:41,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:48:41,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (1/1) ... [2023-05-04 12:48:41,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:48:41,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:41,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 12:48:41,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 12:48:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:48:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:48:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:48:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:48:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:48:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:48:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:48:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:48:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 12:48:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 12:48:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:48:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 12:48:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:48:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:48:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:48:41,606 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:48:41,694 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:48:41,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:48:41,875 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:48:41,883 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:48:41,883 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 12:48:41,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:48:41 BoogieIcfgContainer [2023-05-04 12:48:41,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:48:41,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:48:41,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:48:41,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:48:41,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:48:41" (1/3) ... [2023-05-04 12:48:41,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6f1a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:48:41, skipping insertion in model container [2023-05-04 12:48:41,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:48:41" (2/3) ... [2023-05-04 12:48:41,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6f1a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:48:41, skipping insertion in model container [2023-05-04 12:48:41,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:48:41" (3/3) ... [2023-05-04 12:48:41,893 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2023-05-04 12:48:41,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:48:41,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:48:41,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:48:41,908 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:48:41,958 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 12:48:41,987 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:48:41,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:48:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:41,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 12:48:41,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 12:48:42,013 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:48:42,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:48:42,030 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;@7269f4cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:48:42,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 12:48:42,218 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)] === [2023-05-04 12:48:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:42,222 INFO L85 PathProgramCache]: Analyzing trace with hash -800402220, now seen corresponding path program 1 times [2023-05-04 12:48:42,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:42,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030876520] [2023-05-04 12:48:42,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:42,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 12:48:42,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030876520] [2023-05-04 12:48:42,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030876520] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:48:42,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:48:42,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:48:42,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542277816] [2023-05-04 12:48:42,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:48:42,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:48:42,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:42,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:48:42,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:48:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:42,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:42,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:42,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:42,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:42,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:48:42,566 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)] === [2023-05-04 12:48:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:42,567 INFO L85 PathProgramCache]: Analyzing trace with hash -756725043, now seen corresponding path program 1 times [2023-05-04 12:48:42,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:42,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52703842] [2023-05-04 12:48:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:42,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 12:48:42,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:42,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52703842] [2023-05-04 12:48:42,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52703842] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:48:42,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:48:42,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 12:48:42,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139202566] [2023-05-04 12:48:42,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:48:42,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 12:48:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:42,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 12:48:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 12:48:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:42,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:42,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:43,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 12:48:43,011 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)] === [2023-05-04 12:48:43,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:43,012 INFO L85 PathProgramCache]: Analyzing trace with hash 933796790, now seen corresponding path program 1 times [2023-05-04 12:48:43,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:43,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522612040] [2023-05-04 12:48:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:43,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:43,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:43,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522612040] [2023-05-04 12:48:43,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522612040] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:48:43,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506840116] [2023-05-04 12:48:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:43,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:43,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:43,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:48:43,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 12:48:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:43,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 12:48:43,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:48:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:44,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:48:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:44,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506840116] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:48:44,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:48:44,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2023-05-04 12:48:44,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109286406] [2023-05-04 12:48:44,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:48:44,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 12:48:44,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:44,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 12:48:44,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1686, Unknown=0, NotChecked=0, Total=1892 [2023-05-04 12:48:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:44,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:44,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.113636363636363) internal successors, (313), 44 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:45,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 12:48:45,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 12:48:45,406 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)] === [2023-05-04 12:48:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:45,406 INFO L85 PathProgramCache]: Analyzing trace with hash 417867734, now seen corresponding path program 2 times [2023-05-04 12:48:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:45,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878312573] [2023-05-04 12:48:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:45,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 12:48:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:45,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878312573] [2023-05-04 12:48:45,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878312573] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:48:45,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985619963] [2023-05-04 12:48:45,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:48:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:45,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:48:45,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 12:48:45,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:48:45,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:48:45,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 12:48:45,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:48:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 12:48:46,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:48:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 12:48:46,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985619963] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:48:46,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:48:46,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2023-05-04 12:48:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173592228] [2023-05-04 12:48:46,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:48:46,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-04 12:48:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-04 12:48:46,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2023-05-04 12:48:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:46,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:46,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.67741935483871) internal successors, (300), 31 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:46,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:46,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:46,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:46,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:46,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 12:48:46,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:46,823 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)] === [2023-05-04 12:48:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash -413066858, now seen corresponding path program 3 times [2023-05-04 12:48:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:46,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967623870] [2023-05-04 12:48:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 147 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:47,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:47,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967623870] [2023-05-04 12:48:47,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967623870] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:48:47,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884699456] [2023-05-04 12:48:47,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:48:47,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:47,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:47,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:48:47,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 12:48:47,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 12:48:47,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:48:47,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-04 12:48:47,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:48:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 178 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:48,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:48:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 178 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:49,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884699456] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:48:49,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:48:49,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 72 [2023-05-04 12:48:49,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538438006] [2023-05-04 12:48:49,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:48:49,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-05-04 12:48:49,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-05-04 12:48:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=611, Invalid=4501, Unknown=0, NotChecked=0, Total=5112 [2023-05-04 12:48:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:49,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:49,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.125) internal successors, (441), 72 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:48:50,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 12:48:50,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:50,263 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)] === [2023-05-04 12:48:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:50,264 INFO L85 PathProgramCache]: Analyzing trace with hash 814397910, now seen corresponding path program 4 times [2023-05-04 12:48:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:50,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149046044] [2023-05-04 12:48:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 18 proven. 251 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 12:48:50,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:50,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149046044] [2023-05-04 12:48:50,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149046044] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:48:50,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708726780] [2023-05-04 12:48:50,684 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:48:50,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:50,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:50,686 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:48:50,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 12:48:50,778 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:48:50,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:48:50,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 12:48:50,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:48:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 118 proven. 193 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 12:48:51,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:48:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 161 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 12:48:51,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708726780] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:48:51,999 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:48:51,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 25] total 57 [2023-05-04 12:48:52,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605331786] [2023-05-04 12:48:52,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:48:52,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-04 12:48:52,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:52,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-04 12:48:52,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=2602, Unknown=0, NotChecked=0, Total=3192 [2023-05-04 12:48:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:52,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:52,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.333333333333333) internal successors, (418), 57 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:48:52,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:48:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:48:53,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 12:48:53,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:53,297 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)] === [2023-05-04 12:48:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:48:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1665494358, now seen corresponding path program 5 times [2023-05-04 12:48:53,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:48:53,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399932018] [2023-05-04 12:48:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:48:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:48:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:48:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 825 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:48:54,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:48:54,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399932018] [2023-05-04 12:48:54,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399932018] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:48:54,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829103058] [2023-05-04 12:48:54,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:48:54,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:48:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:48:54,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:48:54,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 12:48:54,974 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-04 12:48:54,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:48:54,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 12:48:54,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:48:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 58 proven. 846 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 12:48:57,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:48:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 64 proven. 840 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 12:48:59,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829103058] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:48:59,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:48:59,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 50, 50] total 148 [2023-05-04 12:48:59,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503376442] [2023-05-04 12:48:59,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:48:59,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2023-05-04 12:48:59,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:48:59,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2023-05-04 12:48:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2155, Invalid=19601, Unknown=0, NotChecked=0, Total=21756 [2023-05-04 12:48:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:59,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:48:59,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 4.8175675675675675) internal successors, (713), 148 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:48:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:23,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 12:49:23,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:23,959 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)] === [2023-05-04 12:49:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:49:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1991363251, now seen corresponding path program 6 times [2023-05-04 12:49:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:49:23,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260965755] [2023-05-04 12:49:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:49:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:49:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 3654 proven. 479 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:25,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:49:25,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260965755] [2023-05-04 12:49:25,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260965755] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:49:25,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343666201] [2023-05-04 12:49:25,515 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 12:49:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:49:25,517 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) [2023-05-04 12:49:25,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 12:49:26,140 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2023-05-04 12:49:26,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:49:26,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-04 12:49:26,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:49:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 1869 proven. 204 refuted. 0 times theorem prover too weak. 2167 trivial. 0 not checked. [2023-05-04 12:49:27,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:49:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 1869 proven. 204 refuted. 0 times theorem prover too weak. 2167 trivial. 0 not checked. [2023-05-04 12:49:28,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343666201] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:49:28,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:49:28,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 42, 42] total 127 [2023-05-04 12:49:28,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85789685] [2023-05-04 12:49:28,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:49:28,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-05-04 12:49:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:49:28,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-05-04 12:49:28,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1253, Invalid=14749, Unknown=0, NotChecked=0, Total=16002 [2023-05-04 12:49:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:28,781 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:49:28,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 5.866141732283465) internal successors, (745), 127 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:28,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:29,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 12:49:30,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:30,150 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)] === [2023-05-04 12:49:30,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:49:30,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1482760074, now seen corresponding path program 7 times [2023-05-04 12:49:30,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:49:30,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720077563] [2023-05-04 12:49:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:49:30,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:49:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4297 backedges. 3654 proven. 536 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:31,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:49:31,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720077563] [2023-05-04 12:49:31,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720077563] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:49:31,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557490172] [2023-05-04 12:49:31,700 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 12:49:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:49:31,701 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) [2023-05-04 12:49:31,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 12:49:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:31,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 12:49:31,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:49:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4297 backedges. 3394 proven. 261 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-05-04 12:49:33,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:49:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4297 backedges. 3394 proven. 261 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-05-04 12:49:34,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557490172] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:49:34,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:49:34,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 43, 43] total 114 [2023-05-04 12:49:34,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388189846] [2023-05-04 12:49:34,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:49:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-04 12:49:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:49:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-04 12:49:34,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1693, Invalid=11189, Unknown=0, NotChecked=0, Total=12882 [2023-05-04 12:49:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:34,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:49:34,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 6.368421052631579) internal successors, (726), 114 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:49:35,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 12:49:35,386 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,SelfDestructingSolverStorable8 [2023-05-04 12:49:35,386 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)] === [2023-05-04 12:49:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:49:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash -614988499, now seen corresponding path program 8 times [2023-05-04 12:49:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:49:35,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428088546] [2023-05-04 12:49:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:49:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:49:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4361 backedges. 3654 proven. 600 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:37,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:49:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428088546] [2023-05-04 12:49:37,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428088546] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:49:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037638952] [2023-05-04 12:49:37,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:49:37,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:49:37,072 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) [2023-05-04 12:49:37,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 12:49:37,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:49:37,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:49:37,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 12:49:37,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:49:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4361 backedges. 2241 proven. 325 refuted. 0 times theorem prover too weak. 1795 trivial. 0 not checked. [2023-05-04 12:49:38,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:49:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4361 backedges. 2241 proven. 325 refuted. 0 times theorem prover too weak. 1795 trivial. 0 not checked. [2023-05-04 12:49:40,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037638952] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:49:40,289 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:49:40,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 50, 50] total 147 [2023-05-04 12:49:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806632630] [2023-05-04 12:49:40,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:49:40,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2023-05-04 12:49:40,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:49:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2023-05-04 12:49:40,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1673, Invalid=19789, Unknown=0, NotChecked=0, Total=21462 [2023-05-04 12:49:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:40,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:49:40,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 5.639455782312925) internal successors, (829), 147 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:49:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:49:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:49:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:49:41,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 12:49:41,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 12:49:41,790 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)] === [2023-05-04 12:49:41,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:49:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1580895082, now seen corresponding path program 9 times [2023-05-04 12:49:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:49:41,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949180341] [2023-05-04 12:49:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:49:41,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:49:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4432 backedges. 3654 proven. 671 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:43,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:49:43,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949180341] [2023-05-04 12:49:43,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949180341] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:49:43,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724387793] [2023-05-04 12:49:43,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:49:43,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:43,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:49:43,434 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) [2023-05-04 12:49:43,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 12:49:44,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2023-05-04 12:49:44,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:49:44,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-04 12:49:44,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:49:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4432 backedges. 3929 proven. 396 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:46,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:49:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4432 backedges. 3929 proven. 396 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 12:49:48,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724387793] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:49:48,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:49:48,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 143 [2023-05-04 12:49:48,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778375002] [2023-05-04 12:49:48,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:49:48,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-05-04 12:49:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:49:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-05-04 12:49:48,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2960, Invalid=17346, Unknown=0, NotChecked=0, Total=20306 [2023-05-04 12:49:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:48,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:49:48,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 6.251748251748252) internal successors, (894), 143 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:48,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:49:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:49:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:49:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:49:49,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 12:49:49,813 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,SelfDestructingSolverStorable10 [2023-05-04 12:49:49,813 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)] === [2023-05-04 12:49:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:49:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash 897807574, now seen corresponding path program 10 times [2023-05-04 12:49:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:49:49,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940344211] [2023-05-04 12:49:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:49:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:49:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:49:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4786 backedges. 3861 proven. 925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:49:54,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:49:54,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940344211] [2023-05-04 12:49:54,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940344211] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:49:54,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408608838] [2023-05-04 12:49:54,120 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:49:54,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:49:54,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:49:54,122 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) [2023-05-04 12:49:54,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 12:49:54,308 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:49:54,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:49:54,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 101 conjunts are in the unsatisfiable core [2023-05-04 12:49:54,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:50:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4786 backedges. 4036 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:50:00,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:50:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4786 backedges. 4036 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:50:05,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408608838] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:50:05,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:50:05,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 100, 100] total 264 [2023-05-04 12:50:05,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545796524] [2023-05-04 12:50:05,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:50:05,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2023-05-04 12:50:05,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:50:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2023-05-04 12:50:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7871, Invalid=61561, Unknown=0, NotChecked=0, Total=69432 [2023-05-04 12:50:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:05,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:50:05,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 5.170454545454546) internal successors, (1365), 264 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:50:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:50:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:50:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:50:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:50:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:50:09,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 12:50:09,649 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,SelfDestructingSolverStorable11 [2023-05-04 12:50:09,649 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)] === [2023-05-04 12:50:09,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:50:09,650 INFO L85 PathProgramCache]: Analyzing trace with hash -53037610, now seen corresponding path program 11 times [2023-05-04 12:50:09,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:50:09,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365450992] [2023-05-04 12:50:09,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:50:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:50:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:50:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7322 backedges. 696 proven. 5681 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-05-04 12:50:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:50:11,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365450992] [2023-05-04 12:50:11,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365450992] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:50:11,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061671927] [2023-05-04 12:50:11,979 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:50:11,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:50:11,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:50:11,981 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) [2023-05-04 12:50:11,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 12:50:22,415 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2023-05-04 12:50:22,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:50:22,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 96 conjunts are in the unsatisfiable core [2023-05-04 12:50:22,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:50:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7322 backedges. 3106 proven. 4111 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-05-04 12:50:26,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:50:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7322 backedges. 3317 proven. 3900 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-05-04 12:50:29,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061671927] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:50:29,552 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:50:29,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 97, 97] total 225 [2023-05-04 12:50:29,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259017262] [2023-05-04 12:50:29,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:50:29,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2023-05-04 12:50:29,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:50:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2023-05-04 12:50:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8822, Invalid=41578, Unknown=0, NotChecked=0, Total=50400 [2023-05-04 12:50:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:29,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:50:29,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 5.217777777777778) internal successors, (1174), 225 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:50:29,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:50:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:50:39,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 12:50:39,649 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,SelfDestructingSolverStorable12 [2023-05-04 12:50:39,649 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)] === [2023-05-04 12:50:39,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:50:39,649 INFO L85 PathProgramCache]: Analyzing trace with hash 756351958, now seen corresponding path program 12 times [2023-05-04 12:50:39,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:50:39,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504734030] [2023-05-04 12:50:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:50:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:50:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:50:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 16653 proven. 3653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:50:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:50:56,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504734030] [2023-05-04 12:50:56,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504734030] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:50:56,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384121512] [2023-05-04 12:50:56,520 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 12:50:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:50:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:50:56,521 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) [2023-05-04 12:50:56,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 12:51:14,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2023-05-04 12:51:14,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:51:14,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1696 conjuncts, 197 conjunts are in the unsatisfiable core [2023-05-04 12:51:14,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:51:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 17020 proven. 3286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:51:29,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:51:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 17020 proven. 3286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:51:43,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384121512] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:51:43,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:51:43,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [196, 196, 196] total 520 [2023-05-04 12:51:43,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750531129] [2023-05-04 12:51:43,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:51:43,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 520 states [2023-05-04 12:51:43,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:51:43,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 520 interpolants. [2023-05-04 12:51:43,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30543, Invalid=239337, Unknown=0, NotChecked=0, Total=269880 [2023-05-04 12:51:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:51:43,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:51:43,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 520 states, 520 states have (on average 4.994230769230769) internal successors, (2597), 520 states have internal predecessors, (2597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:51:43,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:51:43,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:51:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:51:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:51:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-05-04 12:51:57,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 12:51:57,973 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,SelfDestructingSolverStorable13 [2023-05-04 12:51:57,973 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)] === [2023-05-04 12:51:57,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:51:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 735938006, now seen corresponding path program 13 times [2023-05-04 12:51:57,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:51:57,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028420358] [2023-05-04 12:51:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:51:57,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:51:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:52:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30754 backedges. 3168 proven. 23897 refuted. 0 times theorem prover too weak. 3689 trivial. 0 not checked. [2023-05-04 12:52:07,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:52:07,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028420358] [2023-05-04 12:52:07,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028420358] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:52:07,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710623888] [2023-05-04 12:52:07,247 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 12:52:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:52:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:52:07,248 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) [2023-05-04 12:52:07,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 12:52:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:52:07,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 192 conjunts are in the unsatisfiable core [2023-05-04 12:52:07,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:52:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30754 backedges. 13362 proven. 17175 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2023-05-04 12:52:22,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:52:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30754 backedges. 13797 proven. 16740 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2023-05-04 12:52:35,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710623888] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:52:35,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:52:35,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [131, 193, 193] total 449 [2023-05-04 12:52:35,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222049889] [2023-05-04 12:52:35,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:52:35,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 449 states [2023-05-04 12:52:35,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:52:35,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 449 interpolants. [2023-05-04 12:52:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35030, Invalid=166122, Unknown=0, NotChecked=0, Total=201152 [2023-05-04 12:52:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:52:35,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:52:35,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 449 states, 449 states have (on average 4.859688195991091) internal successors, (2182), 449 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:52:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-05-04 12:52:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:53:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-05-04 12:53:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2023-05-04 12:53:45,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-04 12:53:45,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:53:45,764 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)] === [2023-05-04 12:53:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:53:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash -225566250, now seen corresponding path program 14 times [2023-05-04 12:53:45,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:53:45,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872919659] [2023-05-04 12:53:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:53:45,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:53:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:55:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 83602 backedges. 69117 proven. 14485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:55:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:55:11,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872919659] [2023-05-04 12:55:11,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872919659] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:55:11,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865496938] [2023-05-04 12:55:11,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:55:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:55:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:55:11,576 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) [2023-05-04 12:55:11,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 12:55:12,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:55:12,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:55:12,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 3168 conjuncts, 389 conjunts are in the unsatisfiable core [2023-05-04 12:55:12,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:56:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 83602 backedges. 69868 proven. 13734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:56:11,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:57:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 83602 backedges. 69868 proven. 13734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:57:08,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865496938] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:57:08,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:57:08,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [388, 388, 388] total 1032 [2023-05-04 12:57:08,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666995730] [2023-05-04 12:57:08,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:57:08,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 1032 states [2023-05-04 12:57:08,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:57:08,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 1032 interpolants. [2023-05-04 12:57:08,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120431, Invalid=943561, Unknown=0, NotChecked=0, Total=1063992 [2023-05-04 12:57:08,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:57:08,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:57:08,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 1032 states, 1032 states have (on average 4.90406976744186) internal successors, (5061), 1032 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:57:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2023-05-04 12:57:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 12:58:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2023-05-04 12:58:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 454 states. [2023-05-04 12:58:12,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-04 12:58:12,197 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,SelfDestructingSolverStorable15 [2023-05-04 12:58:12,197 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)] === [2023-05-04 12:58:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:58:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2136529450, now seen corresponding path program 15 times [2023-05-04 12:58:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:58:12,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118264292] [2023-05-04 12:58:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:58:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:58:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:59:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 126002 backedges. 13488 proven. 97961 refuted. 0 times theorem prover too weak. 14553 trivial. 0 not checked. [2023-05-04 12:59:07,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:59:07,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118264292] [2023-05-04 12:59:07,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118264292] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:59:07,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744337782] [2023-05-04 12:59:07,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:59:07,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:59:07,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:59:07,039 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) [2023-05-04 12:59:07,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process Received shutdown request... [2023-05-04 13:02:53,391 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 [2023-05-04 13:02:53,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 13:02:53,413 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 13:02:54,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-04 13:02:54,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 13:02:54,592 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forcibly destroying the process [2023-05-04 13:02:54,606 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 13:02:54,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-04 13:02:54,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [259] total 259 [2023-05-04 13:02:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585118208] [2023-05-04 13:02:54,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-04 13:02:54,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2023-05-04 13:02:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:02:54,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2023-05-04 13:02:54,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 137 [2023-05-04 13:02:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8332, Invalid=58490, Unknown=0, NotChecked=0, Total=66822 [2023-05-04 13:02:54,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:02:54,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:02:54,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 5.575289575289576) internal successors, (1444), 259 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-05-04 13:02:54,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-05-04 13:02:54,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-05-04 13:02:54,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2023-05-04 13:02:54,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 454 states. [2023-05-04 13:02:54,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:02:54,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-05-04 13:02:54,618 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-04 13:02:54,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 13:02:54,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 13:02:54,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 13:02:54,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 13:02:54,623 INFO L444 BasicCegarLoop]: Path program histogram: [15, 1, 1] [2023-05-04 13:02:54,626 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 13:02:54,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 13:02:54,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 01:02:54 BasicIcfg [2023-05-04 13:02:54,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 13:02:54,628 INFO L158 Benchmark]: Toolchain (without parser) took 853381.16ms. Allocated memory was 186.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 156.6MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-04 13:02:54,628 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 13:02:54,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.71ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 156.3MB in the beginning and 238.7MB in the end (delta: -82.4MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2023-05-04 13:02:54,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.48ms. Allocated memory is still 270.5MB. Free memory was 238.7MB in the beginning and 237.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 13:02:54,628 INFO L158 Benchmark]: Boogie Preprocessor took 19.49ms. Allocated memory is still 270.5MB. Free memory was 237.0MB in the beginning and 235.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 13:02:54,628 INFO L158 Benchmark]: RCFGBuilder took 382.39ms. Allocated memory is still 270.5MB. Free memory was 235.2MB in the beginning and 219.4MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-04 13:02:54,629 INFO L158 Benchmark]: TraceAbstraction took 852740.75ms. Allocated memory was 270.5MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 218.4MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-05-04 13:02:54,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.71ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 156.3MB in the beginning and 238.7MB in the end (delta: -82.4MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.48ms. Allocated memory is still 270.5MB. Free memory was 238.7MB in the beginning and 237.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.49ms. Allocated memory is still 270.5MB. Free memory was 237.0MB in the beginning and 235.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 382.39ms. Allocated memory is still 270.5MB. Free memory was 235.2MB in the beginning and 219.4MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 852740.75ms. Allocated memory was 270.5MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 218.4MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41132, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 9748, dependent conditional: 9735, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1663, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1663, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31397, independent: 29734, independent conditional: 0, independent unconditional: 29734, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1663, unknown conditional: 0, unknown unconditional: 1663] , Statistics on independence cache: Total cache size (in pairs): 1663, Positive cache size: 1650, Positive conditional cache size: 0, Positive unconditional cache size: 1650, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9735 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 140, Number of trivial persistent sets: 112, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1722, independent conditional: 0, independent unconditional: 1722, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41132, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 9748, dependent conditional: 9735, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 29662, independent unconditional: 1722, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31397, independent: 31384, independent conditional: 0, independent unconditional: 31384, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1663, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1663, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31397, independent: 29734, independent conditional: 0, independent unconditional: 29734, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1663, unknown conditional: 0, unknown unconditional: 1663] , Statistics on independence cache: Total cache size (in pairs): 1663, Positive cache size: 1650, Positive conditional cache size: 0, Positive unconditional cache size: 1650, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9735 - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 185 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 852.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 193.4s, 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: 2051, 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: 0.6s SsaConstructionTime, 32.5s SatisfiabilityAnalysisTime, 394.0s InterpolantComputationTime, 19086 NumberOfCodeBlocks, 18890 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 27287 ConstructedInterpolants, 0 QuantifiedInterpolants, 152413 SizeOfPredicates, 1287 NumberOfNonLiveVariables, 14402 ConjunctsInSsa, 1312 ConjunctsInUnsatCore, 45 InterpolantComputations, 2 PerfectInterpolantSequences, 391919/623353 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