/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 18:55:17,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 18:55:17,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 18:55:17,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 18:55:17,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 18:55:17,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 18:55:17,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 18:55:17,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 18:55:17,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 18:55:17,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 18:55:17,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 18:55:17,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 18:55:17,254 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 18:55:17,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 18:55:17,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 18:55:17,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 18:55:17,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 18:55:17,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 18:55:17,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 18:55:17,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 18:55:17,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 18:55:17,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 18:55:17,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 18:55:17,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 18:55:17,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 18:55:17,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 18:55:17,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 18:55:17,259 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 18:55:17,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 18:55:17,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:55:17,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 18:55:17,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 18:55:17,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 18:55:17,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 18:55:17,261 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 18:55:17,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 18:55:17,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 18:55:17,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 18:55:17,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 18:55:17,262 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 18:55:17,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 18:55:17,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 18:55:17,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 18:55:17,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 18:55:17,527 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 18:55:17,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-07 18:55:18,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 18:55:18,721 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 18:55:18,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-07 18:55:18,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2329e4591/0918556f081c4677a68931867ae3df80/FLAGa07961477 [2024-05-07 18:55:18,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2329e4591/0918556f081c4677a68931867ae3df80 [2024-05-07 18:55:18,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 18:55:18,757 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 18:55:18,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 18:55:18,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 18:55:18,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 18:55:18,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:18,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9e580a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18, skipping insertion in model container [2024-05-07 18:55:18,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:18,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 18:55:18,946 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2024-05-07 18:55:18,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:55:18,960 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 18:55:18,976 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2024-05-07 18:55:18,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:55:18,985 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:55:18,986 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:55:18,991 INFO L206 MainTranslator]: Completed translation [2024-05-07 18:55:18,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18 WrapperNode [2024-05-07 18:55:18,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 18:55:18,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 18:55:18,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 18:55:18,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 18:55:18,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,035 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 287 [2024-05-07 18:55:19,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 18:55:19,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 18:55:19,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 18:55:19,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 18:55:19,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 18:55:19,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 18:55:19,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 18:55:19,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 18:55:19,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (1/1) ... [2024-05-07 18:55:19,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:55:19,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:19,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 18:55:19,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 18:55:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 18:55:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 18:55:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 18:55:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 18:55:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 18:55:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 18:55:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 18:55:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 18:55:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 18:55:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 18:55:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 18:55:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 18:55:19,156 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 18:55:19,247 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 18:55:19,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 18:55:19,610 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 18:55:19,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 18:55:19,695 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-07 18:55:19,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:55:19 BoogieIcfgContainer [2024-05-07 18:55:19,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 18:55:19,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 18:55:19,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 18:55:19,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 18:55:19,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:55:18" (1/3) ... [2024-05-07 18:55:19,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dda79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:55:19, skipping insertion in model container [2024-05-07 18:55:19,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:55:18" (2/3) ... [2024-05-07 18:55:19,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dda79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:55:19, skipping insertion in model container [2024-05-07 18:55:19,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:55:19" (3/3) ... [2024-05-07 18:55:19,702 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-05-07 18:55:19,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 18:55:19,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 18:55:19,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 18:55:19,715 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 18:55:19,780 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 18:55:19,817 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 18:55:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 18:55:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:19,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 18:55:19,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 18:55:19,855 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 18:55:19,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:19,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 18:55:19,878 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=LoopHeads, 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;@6706deb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-07 18:55:19,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 18:55:21,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:21,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:21,687 INFO L85 PathProgramCache]: Analyzing trace with hash -975437117, now seen corresponding path program 1 times [2024-05-07 18:55:21,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:21,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950498667] [2024-05-07 18:55:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:21,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-05-07 18:55:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950498667] [2024-05-07 18:55:22,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950498667] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 18:55:22,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 18:55:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 18:55:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512846423] [2024-05-07 18:55:22,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 18:55:22,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 18:55:22,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 18:55:22,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 18:55:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:22,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:22,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 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) [2024-05-07 18:55:22,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:23,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 18:55:23,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:23,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1175966979, now seen corresponding path program 1 times [2024-05-07 18:55:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:23,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034296966] [2024-05-07 18:55:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:23,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-05-07 18:55:24,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:24,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034296966] [2024-05-07 18:55:24,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034296966] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 18:55:24,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 18:55:24,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 18:55:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200493617] [2024-05-07 18:55:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 18:55:24,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 18:55:24,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:24,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 18:55:24,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 18:55:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:24,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:24,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 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) [2024-05-07 18:55:24,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:24,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:25,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 18:55:25,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:25,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:25,584 INFO L85 PathProgramCache]: Analyzing trace with hash -760110973, now seen corresponding path program 1 times [2024-05-07 18:55:25,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:25,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952792953] [2024-05-07 18:55:25,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:25,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-07 18:55:26,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:26,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952792953] [2024-05-07 18:55:26,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952792953] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848279625] [2024-05-07 18:55:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:26,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:26,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:26,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 18:55:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:26,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 18:55:26,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-07 18:55:26,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-07 18:55:26,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848279625] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:26,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:26,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-07 18:55:26,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031187920] [2024-05-07 18:55:26,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:26,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-07 18:55:26,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:26,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-07 18:55:26,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-05-07 18:55:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:26,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:26,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.4) internal successors, (335), 25 states have internal predecessors, (335), 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) [2024-05-07 18:55:26,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:26,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:26,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:28,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:28,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-07 18:55:28,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:28,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash -184012791, now seen corresponding path program 2 times [2024-05-07 18:55:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673765189] [2024-05-07 18:55:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-07 18:55:28,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673765189] [2024-05-07 18:55:28,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673765189] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865674671] [2024-05-07 18:55:28,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:55:28,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:28,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:28,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:28,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 18:55:29,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:55:29,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:29,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 18:55:29,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-07 18:55:29,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-07 18:55:29,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865674671] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:29,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:29,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-05-07 18:55:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003259084] [2024-05-07 18:55:29,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:29,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-07 18:55:29,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-07 18:55:29,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2024-05-07 18:55:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:29,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:29,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 12.444444444444445) internal successors, (448), 36 states have internal predecessors, (448), 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) [2024-05-07 18:55:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:31,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:31,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:31,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:31,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:31,787 INFO L85 PathProgramCache]: Analyzing trace with hash 926013839, now seen corresponding path program 3 times [2024-05-07 18:55:31,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:31,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069565787] [2024-05-07 18:55:31,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 18:55:32,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069565787] [2024-05-07 18:55:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069565787] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:32,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756095395] [2024-05-07 18:55:32,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:55:32,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:32,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:32,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:32,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 18:55:32,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-07 18:55:32,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:32,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-07 18:55:32,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:33,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-07 18:55:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 75 proven. 32 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-07 18:55:33,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:33,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-07 18:55:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 73 proven. 34 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-07 18:55:33,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756095395] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:33,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:33,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 39 [2024-05-07 18:55:33,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423321457] [2024-05-07 18:55:33,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:33,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-07 18:55:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-07 18:55:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1360, Unknown=0, NotChecked=0, Total=1482 [2024-05-07 18:55:33,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:33,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:33,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 15.692307692307692) internal successors, (612), 39 states have internal predecessors, (612), 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) [2024-05-07 18:55:33,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:33,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:33,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:33,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:33,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:35,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-07 18:55:35,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:35,753 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:35,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1715248266, now seen corresponding path program 1 times [2024-05-07 18:55:35,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:35,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165550845] [2024-05-07 18:55:35,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:35,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-07 18:55:36,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:36,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165550845] [2024-05-07 18:55:36,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165550845] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:36,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779813101] [2024-05-07 18:55:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:36,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:36,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:36,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:36,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 18:55:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:36,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-07 18:55:36,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:36,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-07 18:55:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-07 18:55:36,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:36,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-07 18:55:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 73 proven. 35 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-07 18:55:37,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779813101] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:37,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:37,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-05-07 18:55:37,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946223641] [2024-05-07 18:55:37,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:37,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-07 18:55:37,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:37,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-07 18:55:37,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2024-05-07 18:55:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:37,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:37,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.121212121212121) internal successors, (367), 33 states have internal predecessors, (367), 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) [2024-05-07 18:55:37,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:37,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:37,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:37,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:37,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:37,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 18:55:38,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-07 18:55:39,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-07 18:55:39,033 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 18:55:39,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash 400177367, now seen corresponding path program 2 times [2024-05-07 18:55:39,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:39,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843704389] [2024-05-07 18:55:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:39,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 18:55:41,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:41,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843704389] [2024-05-07 18:55:41,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843704389] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:41,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553050474] [2024-05-07 18:55:41,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:55:41,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:41,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:41,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 18:55:41,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:55:41,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:41,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 18:55:41,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:43,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:55:43,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-05-07 18:55:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 215 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 18:55:43,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:44,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:55:44,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-05-07 18:55:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 57 proven. 164 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 18:55:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553050474] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:46,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:46,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 36] total 101 [2024-05-07 18:55:46,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848009763] [2024-05-07 18:55:46,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:46,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-07 18:55:46,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-07 18:55:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=9519, Unknown=0, NotChecked=0, Total=10100 [2024-05-07 18:55:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:46,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:46,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 8.148514851485148) internal successors, (823), 101 states have internal predecessors, (823), 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) [2024-05-07 18:55:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 18:55:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 18:55:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:56:53,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:56:53,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 18:56:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1782627169, now seen corresponding path program 1 times [2024-05-07 18:56:54,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:56:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:56:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:56:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 18 proven. 70 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-07 18:56:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:56:54,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:56:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:56:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 18 proven. 70 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-07 18:56:55,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:56:55,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 268 [2024-05-07 18:57:54,936 INFO L85 PathProgramCache]: Analyzing trace with hash 247668083, now seen corresponding path program 2 times [2024-05-07 18:57:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:57:54,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:57:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:57:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-07 18:57:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:57:56,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:57:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:57:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-07 18:58:23,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:58:23,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 90 [2024-05-07 18:58:25,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1868712131, now seen corresponding path program 1 times [2024-05-07 18:58:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:58:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:58:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:58:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 38 proven. 98 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-07 18:58:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:58:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:58:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:58:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 38 proven. 98 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-07 18:58:29,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:58:29,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 18:58:35,834 WARN L293 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 25 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 18:58:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash 551339824, now seen corresponding path program 2 times [2024-05-07 18:58:39,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:58:39,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:58:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:58:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 39 proven. 134 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 18:58:42,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:58:42,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:58:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:58:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 39 proven. 134 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 18:58:43,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:58:43,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 91 [2024-05-07 18:58:54,770 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 18:59:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash -271323905, now seen corresponding path program 3 times [2024-05-07 18:59:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:09,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:59:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 35 proven. 138 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-07 18:59:10,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:59:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 35 proven. 138 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-07 18:59:11,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:59:11,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 18:59:43,751 INFO L85 PathProgramCache]: Analyzing trace with hash -899250117, now seen corresponding path program 4 times [2024-05-07 18:59:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:43,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:59:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 48 proven. 133 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-05-07 18:59:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:46,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:59:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 48 proven. 133 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-05-07 18:59:47,689 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-07 18:59:47,691 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-07 18:59:47,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:59:47,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 270 [2024-05-07 19:00:30,118 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 69 DAG size of output: 38 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 19:00:36,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1187087865, now seen corresponding path program 5 times [2024-05-07 19:00:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:00:36,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:00:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:00:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 32 proven. 98 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-07 19:00:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:00:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:00:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:00:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 32 proven. 98 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-07 19:00:37,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:00:37,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 80 [2024-05-07 19:00:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash -992949626, now seen corresponding path program 6 times [2024-05-07 19:00:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:00:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:00:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:00:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 33 proven. 138 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:00:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:00:47,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:00:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:00:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 33 proven. 138 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:00:48,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:00:48,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 19:01:27,390 INFO L85 PathProgramCache]: Analyzing trace with hash 940604592, now seen corresponding path program 7 times [2024-05-07 19:01:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:01:27,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:01:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:01:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 48 proven. 131 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-05-07 19:01:28,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:01:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:01:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:01:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 48 proven. 131 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-05-07 19:01:29,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-07 19:01:29,474 INFO L349 Elim1Store]: treesize reduction 30, result has 58.9 percent of original size [2024-05-07 19:01:29,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 80 [2024-05-07 19:02:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1705886117, now seen corresponding path program 1 times [2024-05-07 19:02:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:02:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:02:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:02:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 31 proven. 138 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-07 19:02:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:02:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:02:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:02:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 31 proven. 138 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-07 19:02:18,851 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-07 19:02:18,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-07 19:02:18,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:02:18,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 270 [2024-05-07 19:02:48,588 WARN L293 SmtUtils]: Spent 16.11s on a formula simplification. DAG size of input: 63 DAG size of output: 23 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 19:03:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1560664036, now seen corresponding path program 8 times [2024-05-07 19:03:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:03:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:03:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:03:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 32 proven. 98 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-05-07 19:03:11,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:03:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:03:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:03:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 32 proven. 98 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-05-07 19:03:13,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:03:13,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 19:03:44,379 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 19:03:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash 135710364, now seen corresponding path program 1 times [2024-05-07 19:03:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:03:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:03:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:04:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 463 proven. 239 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:04:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:04:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:04:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:04:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 463 proven. 239 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:04:07,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:04:07,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 90 [2024-05-07 19:04:32,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1866924441, now seen corresponding path program 2 times [2024-05-07 19:04:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:04:32,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:04:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:04:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 470 proven. 231 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:04:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:04:34,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:04:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:04:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 470 proven. 231 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:04:38,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:04:38,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 19:04:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1492494996, now seen corresponding path program 3 times [2024-05-07 19:04:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:04:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:04:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:04:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 282 proven. 363 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:04:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:04:59,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:04:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:05:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 282 proven. 363 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:05:01,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:05:01,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 19:05:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1529770282, now seen corresponding path program 4 times [2024-05-07 19:05:09,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:05:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:05:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:05:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 191 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:05:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:05:11,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:05:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:05:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 191 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:05:14,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:05:14,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 90 [2024-05-07 19:05:35,293 INFO L85 PathProgramCache]: Analyzing trace with hash 236131871, now seen corresponding path program 5 times [2024-05-07 19:05:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:05:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:05:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:05:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 470 proven. 183 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:05:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:05:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:05:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:05:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 470 proven. 183 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:05:40,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:05:40,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 19:06:26,833 INFO L85 PathProgramCache]: Analyzing trace with hash 169201510, now seen corresponding path program 6 times [2024-05-07 19:06:26,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:26,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 466 proven. 183 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:06:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 466 proven. 183 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-07 19:06:31,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:06:31,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 220 [2024-05-07 19:06:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash -672572250, now seen corresponding path program 7 times [2024-05-07 19:06:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:35,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 463 proven. 188 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:06:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:37,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 463 proven. 188 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:06:40,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:06:40,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 90 [2024-05-07 19:06:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1556566449, now seen corresponding path program 8 times [2024-05-07 19:06:41,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:41,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 470 proven. 180 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:06:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:06:43,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:06:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:06:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 470 proven. 180 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 19:06:45,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:06:45,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 90 [2024-05-07 19:07:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash -610979849, now seen corresponding path program 9 times [2024-05-07 19:07:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:07:32,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:07:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:07:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 471 proven. 180 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-05-07 19:07:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:07:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:07:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:07:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 471 proven. 180 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-05-07 19:07:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:07:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:07:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:07:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:07:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:07:38,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-07 19:07:38,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable32,SelfDestructingSolverStorable11,SelfDestructingSolverStorable33,SelfDestructingSolverStorable12,SelfDestructingSolverStorable34,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable35,SelfDestructingSolverStorable14,SelfDestructingSolverStorable36,SelfDestructingSolverStorable15,SelfDestructingSolverStorable37,SelfDestructingSolverStorable16,SelfDestructingSolverStorable38,SelfDestructingSolverStorable17,SelfDestructingSolverStorable39,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable20,SelfDestructingSolverStorable42,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable43,SelfDestructingSolverStorable22,SelfDestructingSolverStorable44,SelfDestructingSolverStorable23,SelfDestructingSolverStorable45,SelfDestructingSolverStorable24,SelfDestructingSolverStorable46,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 19:07:38,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 19:07:38,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 19:07:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash -532175629, now seen corresponding path program 1 times [2024-05-07 19:07:38,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 19:07:38,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858005953] [2024-05-07 19:07:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:07:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:07:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:07:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1557 proven. 151 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2024-05-07 19:07:39,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 19:07:39,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858005953] [2024-05-07 19:07:39,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858005953] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 19:07:39,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596844201] [2024-05-07 19:07:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:07:39,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:07:39,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 19:07:39,687 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 19:07:39,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 19:07:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:07:39,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-07 19:07:39,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 19:07:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 985 proven. 99 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-05-07 19:07:40,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 19:07:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1032 proven. 52 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-05-07 19:07:41,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596844201] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 19:07:41,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 19:07:41,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-05-07 19:07:41,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565564640] [2024-05-07 19:07:41,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 19:07:41,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-07 19:07:41,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 19:07:41,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-07 19:07:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3224, Unknown=0, NotChecked=0, Total=3660 [2024-05-07 19:07:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:41,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 19:07:41,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 12.819672131147541) internal successors, (782), 61 states have internal predecessors, (782), 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) [2024-05-07 19:07:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:07:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:07:41,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:07:41,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:41,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:07:41,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:07:41,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:07:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:51,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-07 19:07:51,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-05-07 19:07:51,627 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 19:07:51,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 19:07:51,627 INFO L85 PathProgramCache]: Analyzing trace with hash 101707309, now seen corresponding path program 2 times [2024-05-07 19:07:51,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 19:07:51,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034508834] [2024-05-07 19:07:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:07:51,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:07:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:07:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1793 proven. 210 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-05-07 19:07:52,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 19:07:52,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034508834] [2024-05-07 19:07:52,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034508834] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 19:07:52,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132463607] [2024-05-07 19:07:52,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 19:07:52,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:07:52,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 19:07:52,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 19:07:52,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 19:07:53,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 19:07:53,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 19:07:53,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-07 19:07:53,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 19:07:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1253 proven. 142 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-05-07 19:07:54,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 19:07:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1310 proven. 85 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-05-07 19:07:55,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132463607] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 19:07:55,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 19:07:55,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-05-07 19:07:55,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127839650] [2024-05-07 19:07:55,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 19:07:55,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-07 19:07:55,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 19:07:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-07 19:07:55,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=4611, Unknown=0, NotChecked=0, Total=5256 [2024-05-07 19:07:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:55,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 19:07:55,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 12.356164383561644) internal successors, (902), 73 states have internal predecessors, (902), 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) [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:07:55,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:07:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:08:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-07 19:08:05,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 19:08:05,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:08:05,597 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 19:08:05,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 19:08:05,598 INFO L85 PathProgramCache]: Analyzing trace with hash -16753305, now seen corresponding path program 3 times [2024-05-07 19:08:05,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 19:08:05,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773426231] [2024-05-07 19:08:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:08:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:08:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:08:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 2055 proven. 289 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-05-07 19:08:06,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 19:08:06,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773426231] [2024-05-07 19:08:06,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773426231] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 19:08:06,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538618337] [2024-05-07 19:08:06,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 19:08:06,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:08:06,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 19:08:06,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 19:08:06,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 19:08:07,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-07 19:08:07,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 19:08:07,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 19:08:07,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 19:08:07,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-07 19:08:07,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-07 19:08:08,241 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 19:08:08,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-07 19:08:08,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:08,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:08,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:08,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:08,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:08,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:08:09,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:08:09,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-07 19:08:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 1148 proven. 101 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2024-05-07 19:08:09,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 19:08:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 1117 proven. 80 refuted. 0 times theorem prover too weak. 1939 trivial. 0 not checked. [2024-05-07 19:08:10,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538618337] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 19:08:10,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 19:08:10,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 15] total 72 [2024-05-07 19:08:10,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176609581] [2024-05-07 19:08:10,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 19:08:10,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-07 19:08:10,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 19:08:10,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-07 19:08:10,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=4811, Unknown=0, NotChecked=0, Total=5112 [2024-05-07 19:08:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:08:10,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 19:08:10,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 13.930555555555555) internal successors, (1003), 72 states have internal predecessors, (1003), 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) [2024-05-07 19:08:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:08:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 19:08:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 796 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-07 19:08:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.