/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 16:32:40,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 16:32:40,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 16:32:40,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 16:32:40,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 16:32:40,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 16:32:40,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 16:32:40,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 16:32:40,181 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 16:32:40,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 16:32:40,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 16:32:40,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 16:32:40,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 16:32:40,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 16:32:40,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 16:32:40,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 16:32:40,183 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 16:32:40,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 16:32:40,183 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 16:32:40,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 16:32:40,189 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 16:32:40,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 16:32:40,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 16:32:40,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 16:32:40,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 16:32:40,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 16:32:40,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:32:40,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 16:32:40,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 16:32:40,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 16:32:40,193 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 16:32:40,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 16:32:40,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 16:32:40,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 16:32:40,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 16:32:40,454 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 16:32:40,455 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 16:32:40,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-12.i [2023-05-04 16:32:40,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e75b8f1/5435b06c9b394594a0f5a7c6e00a8efd/FLAG6b3809e5a [2023-05-04 16:32:41,001 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 16:32:41,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i [2023-05-04 16:32:41,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e75b8f1/5435b06c9b394594a0f5a7c6e00a8efd/FLAG6b3809e5a [2023-05-04 16:32:41,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e75b8f1/5435b06c9b394594a0f5a7c6e00a8efd [2023-05-04 16:32:41,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 16:32:41,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 16:32:41,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 16:32:41,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 16:32:41,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 16:32:41,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:41,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc5bc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41, skipping insertion in model container [2023-05-04 16:32:41,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:41,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 16:32:41,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 16:32:41,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-05-04 16:32:41,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:32:41,906 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 16:32:41,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-05-04 16:32:41,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:32:41,986 INFO L208 MainTranslator]: Completed translation [2023-05-04 16:32:41,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41 WrapperNode [2023-05-04 16:32:41,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 16:32:41,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 16:32:41,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 16:32:41,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 16:32:41,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,048 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-05-04 16:32:42,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 16:32:42,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 16:32:42,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 16:32:42,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 16:32:42,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 16:32:42,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 16:32:42,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 16:32:42,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 16:32:42,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (1/1) ... [2023-05-04 16:32:42,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:32:42,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:42,130 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 16:32:42,158 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 16:32:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 16:32:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 16:32:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 16:32:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 16:32:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 16:32:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 16:32:42,176 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 16:32:42,321 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 16:32:42,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 16:32:42,485 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 16:32:42,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 16:32:42,492 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 16:32:42,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:32:42 BoogieIcfgContainer [2023-05-04 16:32:42,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 16:32:42,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 16:32:42,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 16:32:42,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 16:32:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:32:41" (1/3) ... [2023-05-04 16:32:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fe2ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:32:42, skipping insertion in model container [2023-05-04 16:32:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:32:41" (2/3) ... [2023-05-04 16:32:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fe2ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:32:42, skipping insertion in model container [2023-05-04 16:32:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:32:42" (3/3) ... [2023-05-04 16:32:42,504 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-12.i [2023-05-04 16:32:42,511 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 16:32:42,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 16:32:42,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 16:32:42,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 16:32:42,569 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 16:32:42,626 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:32:42,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 16:32:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:42,633 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 16:32:42,656 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 16:32:42,677 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 16:32:42,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 16:32:42,706 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;@c1d1f29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:32:42,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 16:32:42,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 354295195, now seen corresponding path program 1 times [2023-05-04 16:32:42,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:42,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715548761] [2023-05-04 16:32:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:42,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 16:32:43,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:43,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715548761] [2023-05-04 16:32:43,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715548761] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:32:43,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:32:43,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 16:32:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282286767] [2023-05-04 16:32:43,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:32:43,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 16:32:43,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:43,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 16:32:43,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 16:32:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:43,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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 16:32:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 16:32:43,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1142627323, now seen corresponding path program 1 times [2023-05-04 16:32:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:43,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789276696] [2023-05-04 16:32:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 16:32:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:43,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789276696] [2023-05-04 16:32:43,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789276696] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:32:43,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:32:43,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:32:43,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391215258] [2023-05-04 16:32:43,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:32:43,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:32:43,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:43,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:32:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:32:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:43,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 16:32:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 16:32:43,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:43,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1385260528, now seen corresponding path program 1 times [2023-05-04 16:32:43,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:43,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539990752] [2023-05-04 16:32:43,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:43,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:43,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:43,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539990752] [2023-05-04 16:32:43,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539990752] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:32:43,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:32:43,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:32:43,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947036870] [2023-05-04 16:32:43,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:32:43,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:32:43,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:32:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:32:43,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:43,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 16:32:43,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 16:32:43,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:43,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash -613316214, now seen corresponding path program 1 times [2023-05-04 16:32:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:43,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462526310] [2023-05-04 16:32:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:43,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:43,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462526310] [2023-05-04 16:32:43,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462526310] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:32:43,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:32:43,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:32:43,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477804372] [2023-05-04 16:32:43,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:32:43,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:32:43,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:43,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:32:43,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:43,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 16:32:43,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:43,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 16:32:43,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -198687525, now seen corresponding path program 1 times [2023-05-04 16:32:43,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:43,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937606178] [2023-05-04 16:32:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:43,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:44,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:44,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937606178] [2023-05-04 16:32:44,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937606178] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:32:44,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404492278] [2023-05-04 16:32:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:44,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:44,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:44,086 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 16:32:44,105 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 16:32:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:44,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 16:32:44,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:32:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:44,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:32:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:44,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404492278] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:32:44,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:32:44,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 16:32:44,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718842362] [2023-05-04 16:32:44,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:32:44,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 16:32:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:44,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 16:32:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 16:32:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:44,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 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 16:32:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:44,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 16:32:44,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:44,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:44,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1945662971, now seen corresponding path program 2 times [2023-05-04 16:32:44,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:44,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398382661] [2023-05-04 16:32:44,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 16:32:44,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:44,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398382661] [2023-05-04 16:32:44,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398382661] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:32:44,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807520502] [2023-05-04 16:32:44,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:32:44,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:44,811 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 16:32:44,830 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 16:32:44,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:32:44,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:32:44,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 16:32:44,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:32:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:45,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:32:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:45,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807520502] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:32:45,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:32:45,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-05-04 16:32:45,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555297028] [2023-05-04 16:32:45,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:32:45,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 16:32:45,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:45,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 16:32:45,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-05-04 16:32:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:45,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:45,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.31578947368421) internal successors, (158), 19 states have internal predecessors, (158), 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 16:32:45,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:45,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:45,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:32:45,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 16:32:45,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:45,984 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:45,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:45,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1545567288, now seen corresponding path program 1 times [2023-05-04 16:32:45,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:45,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879777079] [2023-05-04 16:32:45,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:45,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 16:32:46,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:46,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879777079] [2023-05-04 16:32:46,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879777079] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:32:46,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557044542] [2023-05-04 16:32:46,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:46,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:46,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:46,125 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 16:32:46,134 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 16:32:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:46,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 16:32:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:32:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:46,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:32:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:46,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557044542] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:32:46,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:32:46,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2023-05-04 16:32:46,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135580807] [2023-05-04 16:32:46,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:32:46,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-04 16:32:46,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:46,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-04 16:32:46,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2023-05-04 16:32:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:46,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:46,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.9714285714285715) internal successors, (209), 35 states have internal predecessors, (209), 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 16:32:46,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:46,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:46,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:46,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:46,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:32:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:32:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:32:48,387 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 16:32:48,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:48,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:48,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:48,576 INFO L85 PathProgramCache]: Analyzing trace with hash -901260336, now seen corresponding path program 1 times [2023-05-04 16:32:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:48,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823908085] [2023-05-04 16:32:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 4 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:49,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:49,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823908085] [2023-05-04 16:32:49,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823908085] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:32:49,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232908267] [2023-05-04 16:32:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:49,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:49,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:49,448 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 16:32:49,467 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 16:32:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:49,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-04 16:32:49,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:32:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 4 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:49,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:32:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 4 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:50,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232908267] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:32:50,501 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:32:50,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 55 [2023-05-04 16:32:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241356729] [2023-05-04 16:32:50,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:32:50,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 16:32:50,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:32:50,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 16:32:50,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 16:32:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:50,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:32:50,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.709090909090909) internal successors, (259), 55 states have internal predecessors, (259), 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 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:50,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:32:50,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:32:50,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:32:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:32:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:32:51,881 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 16:32:52,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:52,077 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:32:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:32:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1607946177, now seen corresponding path program 2 times [2023-05-04 16:32:52,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:32:52,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216869903] [2023-05-04 16:32:52,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:32:52,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:32:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:32:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 0 proven. 2305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:32:58,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:32:58,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216869903] [2023-05-04 16:32:58,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216869903] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:32:58,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998604572] [2023-05-04 16:32:58,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:32:58,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:32:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:32:58,310 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 16:32:58,310 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 16:32:58,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:32:58,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:32:58,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-04 16:32:58,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:33:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 1980 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:33:08,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:33:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 0 proven. 2305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:33:19,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998604572] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:33:19,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:33:19,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 89, 89] total 259 [2023-05-04 16:33:19,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084174242] [2023-05-04 16:33:19,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:33:19,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2023-05-04 16:33:19,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:33:19,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2023-05-04 16:33:19,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4553, Invalid=62269, Unknown=0, NotChecked=0, Total=66822 [2023-05-04 16:33:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:33:19,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:33:19,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 2.8803088803088803) internal successors, (746), 259 states have internal predecessors, (746), 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 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:33:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:33:19,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:33:19,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:33:19,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-04 16:34:09,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 16:34:09,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:34:09,723 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:34:09,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:34:09,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1375314581, now seen corresponding path program 3 times [2023-05-04 16:34:09,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:34:09,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651227872] [2023-05-04 16:34:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:34:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:34:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:34:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:09,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:34:09,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651227872] [2023-05-04 16:34:09,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651227872] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:34:09,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010647875] [2023-05-04 16:34:09,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:34:09,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:34:09,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:34:09,962 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 16:34:09,963 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 16:34:10,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 16:34:10,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:34:10,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 16:34:10,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:34:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:10,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:34:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:10,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010647875] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:34:10,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:34:10,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-04 16:34:10,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290505588] [2023-05-04 16:34:10,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:34:10,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 16:34:10,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:34:10,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 16:34:10,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-05-04 16:34:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:10,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:34:10,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:10,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-04 16:34:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-04 16:34:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:34:10,875 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 16:34:11,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:34:11,069 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:34:11,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:34:11,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1765493214, now seen corresponding path program 2 times [2023-05-04 16:34:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:34:11,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591146422] [2023-05-04 16:34:11,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:34:11,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:34:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:34:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:11,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:34:11,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591146422] [2023-05-04 16:34:11,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591146422] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:34:11,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766321712] [2023-05-04 16:34:11,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:34:11,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:34:11,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:34:11,316 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 16:34:11,343 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 16:34:11,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:34:11,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:34:11,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 16:34:11,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:34:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:11,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:34:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:34:11,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766321712] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:34:11,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:34:11,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-04 16:34:11,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819704597] [2023-05-04 16:34:11,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:34:11,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 16:34:11,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:34:11,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 16:34:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-05-04 16:34:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:11,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:34:11,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.857142857142858) internal successors, (166), 14 states have internal predecessors, (166), 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 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:34:11,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:34:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:34:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 16:34:13,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 16:34:13,488 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,SelfDestructingSolverStorable10 [2023-05-04 16:34:13,489 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:34:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:34:13,489 INFO L85 PathProgramCache]: Analyzing trace with hash -24651082, now seen corresponding path program 3 times [2023-05-04 16:34:13,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:34:13,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535578149] [2023-05-04 16:34:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:34:13,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:34:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:34:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 0 proven. 2319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:34:19,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:34:19,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535578149] [2023-05-04 16:34:19,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535578149] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:34:19,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300322220] [2023-05-04 16:34:19,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:34:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:34:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:34:19,313 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 16:34:19,314 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 16:34:19,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2023-05-04 16:34:19,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:34:19,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 91 conjunts are in the unsatisfiable core [2023-05-04 16:34:19,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:34:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 1980 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:34:29,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:34:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 0 proven. 2319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:34:42,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300322220] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:34:42,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:34:42,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 91, 91] total 265 [2023-05-04 16:34:42,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107138660] [2023-05-04 16:34:42,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:34:42,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 265 states [2023-05-04 16:34:42,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:34:42,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 265 interpolants. [2023-05-04 16:34:42,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4536, Invalid=65424, Unknown=0, NotChecked=0, Total=69960 [2023-05-04 16:34:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:42,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:34:42,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 265 states, 265 states have (on average 2.9320754716981132) internal successors, (777), 265 states have internal predecessors, (777), 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 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:34:42,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:34:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:34:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 16:34:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:35:06,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:35:08,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:35:28,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:35:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:35:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-04 16:35:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:35:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:35:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:35:33,104 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 16:35:33,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:35:33,290 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:35:33,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:35:33,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1310886432, now seen corresponding path program 4 times [2023-05-04 16:35:33,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:35:33,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982625468] [2023-05-04 16:35:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:35:33,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:35:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:35:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 0 proven. 2377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:35:39,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:35:39,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982625468] [2023-05-04 16:35:39,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982625468] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:35:39,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227000241] [2023-05-04 16:35:39,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:35:39,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:35:39,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:35:39,826 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 16:35:39,827 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 16:35:39,932 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 16:35:39,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:35:39,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 95 conjunts are in the unsatisfiable core [2023-05-04 16:35:39,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:35:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1980 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:35:51,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:36:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 0 proven. 2377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:36:05,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227000241] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:36:05,438 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:36:05,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 277 [2023-05-04 16:36:05,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025936396] [2023-05-04 16:36:05,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:36:05,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 277 states [2023-05-04 16:36:05,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:36:05,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 277 interpolants. [2023-05-04 16:36:05,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4516, Invalid=71936, Unknown=0, NotChecked=0, Total=76452 [2023-05-04 16:36:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:36:05,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:36:05,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 277 states, 277 states have (on average 3.0216606498194944) internal successors, (837), 277 states have internal predecessors, (837), 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 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-04 16:36:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:36:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:36:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:36:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:36:28,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:32,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:35,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:37,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:39,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:45,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:48,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:51,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:55,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:57,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:36:59,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:01,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:03,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:06,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:10,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:12,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:16,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:18,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:19,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:21,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:23,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:31,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:32,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:38,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:43,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:45,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:48,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:55,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:57,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:37:59,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:38:02,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:38:04,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:38:06,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:38:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:38:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-04 16:38:32,373 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 16:38:32,557 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,SelfDestructingSolverStorable12 [2023-05-04 16:38:32,557 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:38:32,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:38:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1366297501, now seen corresponding path program 1 times [2023-05-04 16:38:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:38:32,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496461978] [2023-05-04 16:38:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:38:32,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:38:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:38:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 85 proven. 105 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:38:32,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:38:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496461978] [2023-05-04 16:38:32,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496461978] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:38:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676421910] [2023-05-04 16:38:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:38:32,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:38:32,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:38:32,901 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 16:38:32,902 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 16:38:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:38:33,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 16:38:33,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:38:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 85 proven. 105 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:38:33,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:38:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 85 proven. 105 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:38:33,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676421910] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:38:33,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:38:33,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2023-05-04 16:38:33,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441726563] [2023-05-04 16:38:33,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:38:33,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-04 16:38:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:38:33,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-04 16:38:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2023-05-04 16:38:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:33,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:38:33,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.961538461538462) internal successors, (233), 26 states have internal predecessors, (233), 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 16:38:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-04 16:38:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:38:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:38:35,336 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 16:38:35,521 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,SelfDestructingSolverStorable13 [2023-05-04 16:38:35,521 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:38:35,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:38:35,521 INFO L85 PathProgramCache]: Analyzing trace with hash 86035415, now seen corresponding path program 4 times [2023-05-04 16:38:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:38:35,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808835891] [2023-05-04 16:38:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:38:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:38:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:38:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 37 proven. 267 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:38:36,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:38:36,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808835891] [2023-05-04 16:38:36,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808835891] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:38:36,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658484231] [2023-05-04 16:38:36,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:38:36,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:38:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:38:36,017 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 16:38:36,036 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 16:38:36,156 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 16:38:36,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:38:36,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 16:38:36,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:38:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 37 proven. 267 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:38:36,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:38:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 37 proven. 267 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:38:36,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658484231] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:38:36,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:38:36,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 27 [2023-05-04 16:38:36,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755019838] [2023-05-04 16:38:36,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:38:36,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 16:38:36,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:38:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 16:38:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-05-04 16:38:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:36,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:38:36,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.222222222222221) internal successors, (249), 27 states have internal predecessors, (249), 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 16:38:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:38:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:38:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:38:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:38:37,174 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 16:38:37,368 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,SelfDestructingSolverStorable14 [2023-05-04 16:38:37,369 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:38:37,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:38:37,369 INFO L85 PathProgramCache]: Analyzing trace with hash 487948596, now seen corresponding path program 5 times [2023-05-04 16:38:37,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:38:37,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591024675] [2023-05-04 16:38:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:38:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:38:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:38:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 0 proven. 2613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:38:44,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:38:44,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591024675] [2023-05-04 16:38:44,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591024675] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:38:44,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380781868] [2023-05-04 16:38:44,886 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 16:38:44,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:38:44,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:38:44,888 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 16:38:44,889 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 16:38:45,039 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2023-05-04 16:38:45,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:38:45,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 106 conjunts are in the unsatisfiable core [2023-05-04 16:38:45,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:38:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 1980 proven. 633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:38:58,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 0 proven. 2613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:15,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380781868] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:15,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:15,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 103, 103] total 303 [2023-05-04 16:39:15,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139065422] [2023-05-04 16:39:15,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:15,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 303 states [2023-05-04 16:39:15,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 303 interpolants. [2023-05-04 16:39:15,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4487, Invalid=87019, Unknown=0, NotChecked=0, Total=91506 [2023-05-04 16:39:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:15,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:15,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 303 states, 303 states have (on average 3.1683168316831685) internal successors, (960), 303 states have internal predecessors, (960), 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 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:39:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:47,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:39:48,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:40:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:44,901 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 16:40:45,087 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,SelfDestructingSolverStorable15 [2023-05-04 16:40:45,087 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:40:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:40:45,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1911902559, now seen corresponding path program 2 times [2023-05-04 16:40:45,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:40:45,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370094129] [2023-05-04 16:40:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:40:45,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:40:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:40:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3056 backedges. 181 proven. 561 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:40:45,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:40:45,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370094129] [2023-05-04 16:40:45,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370094129] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:40:45,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744272347] [2023-05-04 16:40:45,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:40:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:40:45,698 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 16:40:45,699 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 16:40:45,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:40:45,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:40:45,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 16:40:45,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:40:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3056 backedges. 181 proven. 561 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:40:46,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:40:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3056 backedges. 181 proven. 561 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-05-04 16:40:46,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744272347] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:40:46,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:40:46,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 27 [2023-05-04 16:40:46,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154618478] [2023-05-04 16:40:46,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:40:46,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 16:40:46,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:40:46,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 16:40:46,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-05-04 16:40:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:46,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:40:46,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.185185185185185) internal successors, (221), 27 states have internal predecessors, (221), 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 16:40:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:46,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 16:40:47,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:47,136 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:40:47,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:40:47,136 INFO L85 PathProgramCache]: Analyzing trace with hash 935230122, now seen corresponding path program 3 times [2023-05-04 16:40:47,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:40:47,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473745451] [2023-05-04 16:40:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:40:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:40:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:40:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 678 proven. 67 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:40:47,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:40:47,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473745451] [2023-05-04 16:40:47,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473745451] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:40:47,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926576525] [2023-05-04 16:40:47,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:40:47,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:40:47,719 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 16:40:47,720 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 16:40:47,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2023-05-04 16:40:47,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:40:47,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 16:40:47,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:40:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:40:48,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 16:40:48,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926576525] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:40:48,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 16:40:48,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29 [2023-05-04 16:40:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376109521] [2023-05-04 16:40:48,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:40:48,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 16:40:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:40:48,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 16:40:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-05-04 16:40:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:48,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:40:48,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 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 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:48,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:40:48,549 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 16:40:48,735 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,SelfDestructingSolverStorable17 [2023-05-04 16:40:48,735 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:40:48,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:40:48,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1241315519, now seen corresponding path program 5 times [2023-05-04 16:40:48,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:40:48,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812541005] [2023-05-04 16:40:48,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:40:48,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:40:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:40:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3059 backedges. 655 proven. 103 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2023-05-04 16:40:49,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:40:49,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812541005] [2023-05-04 16:40:49,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812541005] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:40:49,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585411782] [2023-05-04 16:40:49,344 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 16:40:49,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:49,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:40:49,345 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 16:40:49,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 16:40:49,471 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2023-05-04 16:40:49,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:40:49,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 16:40:49,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:40:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3059 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 2302 trivial. 0 not checked. [2023-05-04 16:40:49,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 16:40:49,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585411782] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:40:49,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 16:40:49,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [29] total 31 [2023-05-04 16:40:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029899099] [2023-05-04 16:40:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:40:49,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 16:40:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:40:49,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 16:40:49,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2023-05-04 16:40:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:49,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:40:49,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.296296296296297) internal successors, (197), 27 states have internal predecessors, (197), 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 16:40:49,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:40:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:40:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:40:50,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-04 16:40:50,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:50,340 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:40:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:40:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash -93008547, now seen corresponding path program 4 times [2023-05-04 16:40:50,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:40:50,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757727352] [2023-05-04 16:40:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:40:50,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:40:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:40:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:40:58,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:40:58,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757727352] [2023-05-04 16:40:58,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757727352] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:40:58,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369374342] [2023-05-04 16:40:58,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:40:58,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:58,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:40:58,636 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:40:58,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 16:40:58,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 16:40:58,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:40:58,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 111 conjunts are in the unsatisfiable core [2023-05-04 16:40:58,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:41:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 1980 proven. 1005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:41:13,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:41:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:41:33,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369374342] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:41:33,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:41:33,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111, 111] total 325 [2023-05-04 16:41:33,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446492291] [2023-05-04 16:41:33,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:41:33,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 325 states [2023-05-04 16:41:33,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:41:33,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 325 interpolants. [2023-05-04 16:41:33,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4246, Invalid=101054, Unknown=0, NotChecked=0, Total=105300 [2023-05-04 16:41:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:41:33,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:41:33,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 325 states, 325 states have (on average 3.313846153846154) internal successors, (1077), 325 states have internal predecessors, (1077), 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 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:41:33,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:41:33,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:42:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:42:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:42:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:42:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:42:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2023-05-04 16:42:42,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-04 16:42:43,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:42:43,053 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:42:43,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:42:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -221802285, now seen corresponding path program 5 times [2023-05-04 16:42:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:42:43,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987928256] [2023-05-04 16:42:43,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:42:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:42:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:42:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:42:51,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:42:51,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987928256] [2023-05-04 16:42:51,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987928256] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:42:51,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556718587] [2023-05-04 16:42:51,531 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 16:42:51,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:42:51,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:42:51,532 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:42:51,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 16:42:51,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2023-05-04 16:42:51,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:42:51,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 111 conjunts are in the unsatisfiable core [2023-05-04 16:42:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:43:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 1980 proven. 1005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:43:06,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:43:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:43:26,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556718587] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:43:26,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:43:26,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111, 111] total 325 [2023-05-04 16:43:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606336288] [2023-05-04 16:43:26,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:43:26,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 325 states [2023-05-04 16:43:26,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:43:26,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 325 interpolants. [2023-05-04 16:43:26,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4247, Invalid=101053, Unknown=0, NotChecked=0, Total=105300 [2023-05-04 16:43:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:43:26,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:43:26,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 325 states, 325 states have (on average 3.313846153846154) internal successors, (1077), 325 states have internal predecessors, (1077), 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 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2023-05-04 16:43:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-04 16:44:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2023-05-04 16:44:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2023-05-04 16:44:43,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-04 16:44:43,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:44:43,583 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:44:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:44:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1245090347, now seen corresponding path program 6 times [2023-05-04 16:44:43,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:44:43,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836584261] [2023-05-04 16:44:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:44:43,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:44:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:44:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:44:51,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:44:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836584261] [2023-05-04 16:44:51,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836584261] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:44:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650617473] [2023-05-04 16:44:51,939 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 16:44:51,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:44:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:44:51,941 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:44:51,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-04 16:44:52,106 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2023-05-04 16:44:52,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:44:52,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 114 conjunts are in the unsatisfiable core [2023-05-04 16:44:52,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:45:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 1980 proven. 1005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:45:07,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 16:45:08,274 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 16:45:08,291 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:45:08,291 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 16:45:08,291 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 16:45:08,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-05-04 16:45:08,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:45:08,475 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 226 known predicates. [2023-05-04 16:45:08,477 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 16:45:08,477 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 16:45:08,482 INFO L444 BasicCegarLoop]: Path program histogram: [6, 5, 5, 2, 1, 1, 1, 1] [2023-05-04 16:45:08,484 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 16:45:08,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 16:45:08,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:45:08 BasicIcfg [2023-05-04 16:45:08,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 16:45:08,489 INFO L158 Benchmark]: Toolchain (without parser) took 746996.35ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 137.3MB in the beginning and 471.8MB in the end (delta: -334.5MB). Peak memory consumption was 532.6MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,490 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 93.3MB in the end (delta: 121.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 16:45:08,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.00ms. Allocated memory is still 165.7MB. Free memory was 137.0MB in the beginning and 133.0MB in the end (delta: 4.0MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.49ms. Allocated memory is still 165.7MB. Free memory was 133.0MB in the beginning and 130.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,492 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,492 INFO L158 Benchmark]: RCFGBuilder took 399.37ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 115.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,492 INFO L158 Benchmark]: TraceAbstraction took 745991.60ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 114.8MB in the beginning and 471.8MB in the end (delta: -357.0MB). Peak memory consumption was 511.0MB. Max. memory is 8.0GB. [2023-05-04 16:45:08,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 93.3MB in the end (delta: 121.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 491.00ms. Allocated memory is still 165.7MB. Free memory was 137.0MB in the beginning and 133.0MB in the end (delta: 4.0MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.49ms. Allocated memory is still 165.7MB. Free memory was 133.0MB in the beginning and 130.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 399.37ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 115.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 745991.60ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 114.8MB in the beginning and 471.8MB in the end (delta: -357.0MB). Peak memory consumption was 511.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 57472, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 11444, dependent conditional: 11437, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46993, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 965, dependent conditional: 958, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46993, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 965, dependent conditional: 958, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 7330, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 1879, dependent unconditional: 6643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 1879, dependent unconditional: 6643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2073, independent: 1867, independent conditional: 106, independent unconditional: 1761, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2073, independent: 1760, independent conditional: 0, independent unconditional: 1760, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 313, independent: 107, independent conditional: 106, independent unconditional: 1, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 313, independent: 107, independent conditional: 106, independent unconditional: 1, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 784, independent: 255, independent conditional: 210, independent unconditional: 44, dependent: 529, dependent conditional: 492, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 54550, independent: 44161, independent conditional: 121, independent unconditional: 44040, dependent: 8316, dependent conditional: 1680, dependent unconditional: 6636, unknown: 2073, unknown conditional: 305, unknown unconditional: 1768] , Statistics on independence cache: Total cache size (in pairs): 2073, Positive cache size: 1867, Positive conditional cache size: 106, Positive unconditional cache size: 1761, Negative cache size: 206, Negative conditional cache size: 199, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5451, Maximal queried relation: 15, Independence queries for same thread: 10479 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 438, Number of trivial persistent sets: 295, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1948, independent: 1941, independent conditional: 0, independent unconditional: 1941, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 57472, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 11444, dependent conditional: 11437, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46993, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 965, dependent conditional: 958, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46993, independent: 46028, independent conditional: 44087, independent unconditional: 1941, dependent: 965, dependent conditional: 958, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 7330, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 1879, dependent unconditional: 6643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54550, independent: 46028, independent conditional: 227, independent unconditional: 45801, dependent: 8522, dependent conditional: 1879, dependent unconditional: 6643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2073, independent: 1867, independent conditional: 106, independent unconditional: 1761, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2073, independent: 1760, independent conditional: 0, independent unconditional: 1760, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 313, independent: 107, independent conditional: 106, independent unconditional: 1, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 313, independent: 107, independent conditional: 106, independent unconditional: 1, dependent: 206, dependent conditional: 199, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 784, independent: 255, independent conditional: 210, independent unconditional: 44, dependent: 529, dependent conditional: 492, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 54550, independent: 44161, independent conditional: 121, independent unconditional: 44040, dependent: 8316, dependent conditional: 1680, dependent unconditional: 6636, unknown: 2073, unknown conditional: 305, unknown unconditional: 1768] , Statistics on independence cache: Total cache size (in pairs): 2073, Positive cache size: 1867, Positive conditional cache size: 106, Positive unconditional cache size: 1761, Negative cache size: 206, Negative conditional cache size: 199, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5451, Maximal queried relation: 15, Independence queries for same thread: 10479 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 226 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 226 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 226 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 745.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 492.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1461, 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: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 221.1s InterpolantComputationTime, 9610 NumberOfCodeBlocks, 9262 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 13470 ConstructedInterpolants, 0 QuantifiedInterpolants, 131750 SizeOfPredicates, 660 NumberOfNonLiveVariables, 8167 ConjunctsInSsa, 781 ConjunctsInUnsatCore, 53 InterpolantComputations, 6 PerfectInterpolantSequences, 59678/100193 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