/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:13:33,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:13:33,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:13:33,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:13:33,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:13:33,206 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:13:33,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:13:33,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:13:33,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:13:33,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:13:33,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:13:33,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:13:33,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:13:33,209 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:13:33,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:13:33,210 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:13:33,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:13:33,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:13:33,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:13:33,211 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:13:33,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:13:33,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:13:33,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:13:33,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:13:33,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:33,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:13:33,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:13:33,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:13:33,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:13:33,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:13:33,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:13:33,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:13:33,214 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:13:33,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:13:33,214 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:13:33,214 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:13:33,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:13:33,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:13:33,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:13:33,454 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:13:33,456 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:13:33,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2023-04-01 22:13:34,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:13:34,835 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:13:34,838 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2023-04-01 22:13:34,861 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4952b7c35/1bed94da1ac54d84b89988dffef93d32/FLAG5d150d190 [2023-04-01 22:13:34,872 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4952b7c35/1bed94da1ac54d84b89988dffef93d32 [2023-04-01 22:13:34,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:13:34,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:13:34,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:34,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:13:34,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:13:34,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:34" (1/1) ... [2023-04-01 22:13:34,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745efa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:34, skipping insertion in model container [2023-04-01 22:13:34,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:34" (1/1) ... [2023-04-01 22:13:34,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:13:34,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:13:35,121 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2023-04-01 22:13:35,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:35,250 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:13:35,272 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2023-04-01 22:13:35,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:35,367 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:13:35,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35 WrapperNode [2023-04-01 22:13:35,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:35,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:13:35,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:13:35,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:13:35,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,471 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:13:35,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:13:35,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:13:35,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:13:35,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (1/1) ... [2023-04-01 22:13:35,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:35,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 22:13:35,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 22:13:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:13:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:13:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:13:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:13:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:13:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:13:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:13:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:13:35,631 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:13:35,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:13:36,614 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:13:36,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:13:36,631 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:13:36,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:36 BoogieIcfgContainer [2023-04-01 22:13:36,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:13:36,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:13:36,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:13:36,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:13:36,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:13:34" (1/3) ... [2023-04-01 22:13:36,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b6307a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:36, skipping insertion in model container [2023-04-01 22:13:36,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:35" (2/3) ... [2023-04-01 22:13:36,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b6307a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:36, skipping insertion in model container [2023-04-01 22:13:36,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:36" (3/3) ... [2023-04-01 22:13:36,640 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2023-04-01 22:13:36,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:13:36,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:13:36,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:13:36,717 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39b0b877, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:13:36,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:13:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 22:13:36,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:36,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:36,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:36,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:36,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1221216633, now seen corresponding path program 1 times [2023-04-01 22:13:36,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856938009] [2023-04-01 22:13:36,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:37,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856938009] [2023-04-01 22:13:37,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856938009] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:37,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:37,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:13:37,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844032726] [2023-04-01 22:13:37,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:37,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:13:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:13:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:13:37,339 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:38,433 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2023-04-01 22:13:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:13:38,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-04-01 22:13:38,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:38,451 INFO L225 Difference]: With dead ends: 596 [2023-04-01 22:13:38,452 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 22:13:38,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:13:38,463 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 557 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:38,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 21 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:13:38,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 22:13:38,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2023-04-01 22:13:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 287 states have (on average 1.5261324041811846) internal successors, (438), 288 states have internal predecessors, (438), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:13:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2023-04-01 22:13:38,516 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 52 [2023-04-01 22:13:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:38,516 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2023-04-01 22:13:38,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2023-04-01 22:13:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-01 22:13:38,521 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:38,521 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:38,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:13:38,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:38,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:38,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1355705508, now seen corresponding path program 1 times [2023-04-01 22:13:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156668705] [2023-04-01 22:13:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:38,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:38,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156668705] [2023-04-01 22:13:38,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156668705] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:38,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828824846] [2023-04-01 22:13:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:38,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:38,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:38,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:38,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:13:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:38,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:39,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:39,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828824846] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:39,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:39,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:13:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709438519] [2023-04-01 22:13:39,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:39,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:39,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:39,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:39,044 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:39,526 INFO L93 Difference]: Finished difference Result 874 states and 1344 transitions. [2023-04-01 22:13:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:39,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 122 [2023-04-01 22:13:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:39,532 INFO L225 Difference]: With dead ends: 874 [2023-04-01 22:13:39,533 INFO L226 Difference]: Without dead ends: 584 [2023-04-01 22:13:39,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:39,535 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 96 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:39,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 248 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:13:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-04-01 22:13:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2023-04-01 22:13:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 570 states have (on average 1.3701754385964913) internal successors, (781), 572 states have internal predecessors, (781), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-04-01 22:13:39,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2023-04-01 22:13:39,594 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 122 [2023-04-01 22:13:39,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:39,595 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2023-04-01 22:13:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2023-04-01 22:13:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-01 22:13:39,601 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:39,602 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:39,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 22:13:39,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:39,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:39,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1373913877, now seen corresponding path program 1 times [2023-04-01 22:13:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:39,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868446818] [2023-04-01 22:13:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:39,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:40,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:40,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868446818] [2023-04-01 22:13:40,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868446818] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:40,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:40,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:13:40,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330481104] [2023-04-01 22:13:40,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:40,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:13:40,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:40,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:13:40,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:40,189 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:40,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:40,966 INFO L93 Difference]: Finished difference Result 1490 states and 2156 transitions. [2023-04-01 22:13:40,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:13:40,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 133 [2023-04-01 22:13:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:40,974 INFO L225 Difference]: With dead ends: 1490 [2023-04-01 22:13:40,974 INFO L226 Difference]: Without dead ends: 912 [2023-04-01 22:13:40,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:40,978 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 601 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:40,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 47 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:13:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2023-04-01 22:13:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 749. [2023-04-01 22:13:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 722 states have (on average 1.31994459833795) internal successors, (953), 735 states have internal predecessors, (953), 7 states have call successors, (7), 7 states have call predecessors, (7), 19 states have return successors, (51), 6 states have call predecessors, (51), 6 states have call successors, (51) [2023-04-01 22:13:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1011 transitions. [2023-04-01 22:13:41,019 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1011 transitions. Word has length 133 [2023-04-01 22:13:41,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:41,019 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 1011 transitions. [2023-04-01 22:13:41,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1011 transitions. [2023-04-01 22:13:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-01 22:13:41,026 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:41,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:41,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:13:41,027 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:41,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:41,028 INFO L85 PathProgramCache]: Analyzing trace with hash 769109799, now seen corresponding path program 1 times [2023-04-01 22:13:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:41,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970584115] [2023-04-01 22:13:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:41,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:41,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:41,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970584115] [2023-04-01 22:13:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970584115] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39686617] [2023-04-01 22:13:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:41,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:41,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:41,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:13:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:41,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:41,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:41,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:41,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39686617] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:41,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:41,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:13:41,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978662440] [2023-04-01 22:13:41,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:41,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:13:42,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:42,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:13:42,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:42,003 INFO L87 Difference]: Start difference. First operand 749 states and 1011 transitions. Second operand has 12 states, 12 states have (on average 30.083333333333332) internal successors, (361), 10 states have internal predecessors, (361), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:13:43,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:43,604 INFO L93 Difference]: Finished difference Result 2112 states and 2846 transitions. [2023-04-01 22:13:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:13:43,604 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 30.083333333333332) internal successors, (361), 10 states have internal predecessors, (361), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 204 [2023-04-01 22:13:43,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:43,610 INFO L225 Difference]: With dead ends: 2112 [2023-04-01 22:13:43,610 INFO L226 Difference]: Without dead ends: 1369 [2023-04-01 22:13:43,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 412 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2023-04-01 22:13:43,613 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1500 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:43,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 101 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:13:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2023-04-01 22:13:43,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1349. [2023-04-01 22:13:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1300 states have (on average 1.1930769230769231) internal successors, (1551), 1327 states have internal predecessors, (1551), 11 states have call successors, (11), 11 states have call predecessors, (11), 37 states have return successors, (96), 10 states have call predecessors, (96), 10 states have call successors, (96) [2023-04-01 22:13:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1658 transitions. [2023-04-01 22:13:43,652 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1658 transitions. Word has length 204 [2023-04-01 22:13:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:43,652 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1658 transitions. [2023-04-01 22:13:43,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 30.083333333333332) internal successors, (361), 10 states have internal predecessors, (361), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:13:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1658 transitions. [2023-04-01 22:13:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-01 22:13:43,657 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:43,657 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:43,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:43,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 22:13:43,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:43,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1020643508, now seen corresponding path program 1 times [2023-04-01 22:13:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856571715] [2023-04-01 22:13:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:43,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-01 22:13:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 90 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:13:44,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856571715] [2023-04-01 22:13:44,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856571715] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736840237] [2023-04-01 22:13:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:44,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:44,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:44,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:13:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:13:44,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-04-01 22:13:44,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:44,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736840237] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:44,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:44,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:13:44,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169936820] [2023-04-01 22:13:44,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:44,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:13:44,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:44,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:13:44,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:44,938 INFO L87 Difference]: Start difference. First operand 1349 states and 1658 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:45,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:45,478 INFO L93 Difference]: Finished difference Result 2863 states and 3525 transitions. [2023-04-01 22:13:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:13:45,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 221 [2023-04-01 22:13:45,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:45,486 INFO L225 Difference]: With dead ends: 2863 [2023-04-01 22:13:45,486 INFO L226 Difference]: Without dead ends: 1520 [2023-04-01 22:13:45,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:45,490 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 272 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:45,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 46 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:13:45,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2023-04-01 22:13:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1492. [2023-04-01 22:13:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1441 states have (on average 1.1811242192921583) internal successors, (1702), 1468 states have internal predecessors, (1702), 12 states have call successors, (12), 12 states have call predecessors, (12), 38 states have return successors, (101), 11 states have call predecessors, (101), 11 states have call successors, (101) [2023-04-01 22:13:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1815 transitions. [2023-04-01 22:13:45,534 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1815 transitions. Word has length 221 [2023-04-01 22:13:45,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:45,534 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1815 transitions. [2023-04-01 22:13:45,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1815 transitions. [2023-04-01 22:13:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-01 22:13:45,538 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:45,538 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:45,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:45,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:45,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:45,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:45,750 INFO L85 PathProgramCache]: Analyzing trace with hash 418461676, now seen corresponding path program 1 times [2023-04-01 22:13:45,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:45,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463965894] [2023-04-01 22:13:45,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:13:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:46,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463965894] [2023-04-01 22:13:46,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463965894] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:46,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585805413] [2023-04-01 22:13:46,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:46,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:46,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:46,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:46,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:13:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:46,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:46,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:46,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:46,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585805413] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:46,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:46,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2023-04-01 22:13:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784262759] [2023-04-01 22:13:46,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:46,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:13:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:46,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:13:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:13:46,835 INFO L87 Difference]: Start difference. First operand 1492 states and 1815 transitions. Second operand has 14 states, 14 states have (on average 29.357142857142858) internal successors, (411), 12 states have internal predecessors, (411), 6 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:48,885 INFO L93 Difference]: Finished difference Result 4665 states and 6148 transitions. [2023-04-01 22:13:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 22:13:48,886 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 29.357142857142858) internal successors, (411), 12 states have internal predecessors, (411), 6 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 225 [2023-04-01 22:13:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:48,895 INFO L225 Difference]: With dead ends: 4665 [2023-04-01 22:13:48,895 INFO L226 Difference]: Without dead ends: 2116 [2023-04-01 22:13:48,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2023-04-01 22:13:48,904 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1251 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:48,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 105 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 22:13:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2023-04-01 22:13:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2070. [2023-04-01 22:13:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 2008 states have (on average 1.1349601593625498) internal successors, (2279), 2038 states have internal predecessors, (2279), 16 states have call successors, (16), 16 states have call predecessors, (16), 45 states have return successors, (144), 15 states have call predecessors, (144), 15 states have call successors, (144) [2023-04-01 22:13:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2439 transitions. [2023-04-01 22:13:48,982 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2439 transitions. Word has length 225 [2023-04-01 22:13:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:48,982 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 2439 transitions. [2023-04-01 22:13:48,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 29.357142857142858) internal successors, (411), 12 states have internal predecessors, (411), 6 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2439 transitions. [2023-04-01 22:13:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-04-01 22:13:48,993 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:48,994 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:49,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:49,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:49,200 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:49,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:49,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1761591084, now seen corresponding path program 1 times [2023-04-01 22:13:49,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:49,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363048393] [2023-04-01 22:13:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:49,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-04-01 22:13:49,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363048393] [2023-04-01 22:13:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363048393] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014329297] [2023-04-01 22:13:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:49,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:49,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:49,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:49,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:13:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:49,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-04-01 22:13:49,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:49,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014329297] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:49,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:49,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:13:49,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925047508] [2023-04-01 22:13:49,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:49,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:49,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:49,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:49,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:49,691 INFO L87 Difference]: Start difference. First operand 2070 states and 2439 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:50,087 INFO L93 Difference]: Finished difference Result 3991 states and 4722 transitions. [2023-04-01 22:13:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:50,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 269 [2023-04-01 22:13:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:50,094 INFO L225 Difference]: With dead ends: 3991 [2023-04-01 22:13:50,094 INFO L226 Difference]: Without dead ends: 2070 [2023-04-01 22:13:50,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:50,098 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 102 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:50,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 215 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:13:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2023-04-01 22:13:50,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1923. [2023-04-01 22:13:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1865 states have (on average 1.103485254691689) internal successors, (2058), 1893 states have internal predecessors, (2058), 15 states have call successors, (15), 15 states have call predecessors, (15), 42 states have return successors, (100), 14 states have call predecessors, (100), 14 states have call successors, (100) [2023-04-01 22:13:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2173 transitions. [2023-04-01 22:13:50,141 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2173 transitions. Word has length 269 [2023-04-01 22:13:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:50,141 INFO L495 AbstractCegarLoop]: Abstraction has 1923 states and 2173 transitions. [2023-04-01 22:13:50,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2173 transitions. [2023-04-01 22:13:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-04-01 22:13:50,147 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:50,147 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:50,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:50,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:50,354 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:50,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:50,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1100071420, now seen corresponding path program 1 times [2023-04-01 22:13:50,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:50,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17040039] [2023-04-01 22:13:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:13:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-04-01 22:13:50,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:50,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17040039] [2023-04-01 22:13:50,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17040039] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:50,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597058548] [2023-04-01 22:13:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:50,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:50,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:50,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:13:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:50,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-01 22:13:50,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-04-01 22:13:51,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 140 proven. 242 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:13:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597058548] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:53,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:53,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 16 [2023-04-01 22:13:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115996622] [2023-04-01 22:13:53,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:53,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:13:53,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:53,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:13:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:13:53,970 INFO L87 Difference]: Start difference. First operand 1923 states and 2173 transitions. Second operand has 16 states, 16 states have (on average 40.4375) internal successors, (647), 14 states have internal predecessors, (647), 7 states have call successors, (13), 11 states have call predecessors, (13), 8 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:13:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:56,965 INFO L93 Difference]: Finished difference Result 5469 states and 6306 transitions. [2023-04-01 22:13:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:13:56,967 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 40.4375) internal successors, (647), 14 states have internal predecessors, (647), 7 states have call successors, (13), 11 states have call predecessors, (13), 8 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) Word has length 336 [2023-04-01 22:13:56,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:56,979 INFO L225 Difference]: With dead ends: 5469 [2023-04-01 22:13:56,979 INFO L226 Difference]: Without dead ends: 3550 [2023-04-01 22:13:56,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 695 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=610, Invalid=1742, Unknown=0, NotChecked=0, Total=2352 [2023-04-01 22:13:56,984 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2827 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:56,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 99 Invalid, 3206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:13:56,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2023-04-01 22:13:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3246. [2023-04-01 22:13:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3246 states, 3152 states have (on average 1.0929568527918783) internal successors, (3445), 3198 states have internal predecessors, (3445), 24 states have call successors, (24), 24 states have call predecessors, (24), 69 states have return successors, (203), 23 states have call predecessors, (203), 23 states have call successors, (203) [2023-04-01 22:13:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 3672 transitions. [2023-04-01 22:13:57,074 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 3672 transitions. Word has length 336 [2023-04-01 22:13:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:57,074 INFO L495 AbstractCegarLoop]: Abstraction has 3246 states and 3672 transitions. [2023-04-01 22:13:57,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 40.4375) internal successors, (647), 14 states have internal predecessors, (647), 7 states have call successors, (13), 11 states have call predecessors, (13), 8 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:13:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3672 transitions. [2023-04-01 22:13:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2023-04-01 22:13:57,090 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:57,090 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:57,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:57,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:57,297 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:57,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -301544215, now seen corresponding path program 1 times [2023-04-01 22:13:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801228411] [2023-04-01 22:13:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-01 22:13:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-01 22:13:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 126 proven. 21 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-04-01 22:13:58,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801228411] [2023-04-01 22:13:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801228411] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822385690] [2023-04-01 22:13:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:58,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:58,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:58,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:13:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:58,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:58,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-04-01 22:13:58,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:58,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822385690] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:58,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:58,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:13:58,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179236751] [2023-04-01 22:13:58,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:58,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:58,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:58,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:58,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:13:58,487 INFO L87 Difference]: Start difference. First operand 3246 states and 3672 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:58,727 INFO L93 Difference]: Finished difference Result 3246 states and 3672 transitions. [2023-04-01 22:13:58,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:58,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 391 [2023-04-01 22:13:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:58,728 INFO L225 Difference]: With dead ends: 3246 [2023-04-01 22:13:58,728 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:13:58,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:13:58,733 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 140 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:58,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 14 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 22:13:58,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:13:58,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:13:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:13:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:13:58,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2023-04-01 22:13:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:58,734 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:13:58,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:13:58,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:13:58,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:13:58,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:58,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:58,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:14:01,218 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (< ~a19~0 10)) (.cse2 (< 0 (+ 2526205 ~a1~0))) (.cse3 (<= 2 ~a10~0))) (or (and (<= 0 (+ ~a1~0 12)) (< 0 ~a10~0) .cse0) (< |old(~a19~0)| 9) (<= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (= ~a10~0 0) .cse1) (and (<= 23 ~a1~0) .cse0) (and .cse1 (= ~a10~0 2)) (and (<= 9 ~a19~0) .cse2 .cse0) (not (= 23 |old(~a1~0)|)) (and .cse3 .cse1 .cse2) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0)) (and (<= ~a19~0 8) .cse3))) [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:14:01,218 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (< ~a19~0 10)) (.cse2 (< 0 (+ 2526205 ~a1~0))) (.cse3 (<= 2 ~a10~0))) (or (and (<= 0 (+ ~a1~0 12)) (< 0 ~a10~0) .cse0) (< |old(~a19~0)| 9) (<= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (= ~a10~0 0) .cse1) (and (<= 23 ~a1~0) .cse0) (and .cse1 (= ~a10~0 2)) (and (<= 9 ~a19~0) .cse2 .cse0) (not (= 23 |old(~a1~0)|)) (and .cse3 .cse1 .cse2) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0)) (and (<= ~a19~0 8) .cse3))) [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (< ~a19~0 10) (= 23 ~a1~0) (<= 9 ~a19~0)) (<= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:14:01,219 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:14:01,220 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:14:01,221 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:14:01,222 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,223 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,224 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,224 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,224 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,224 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:14:01,224 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:14:01,229 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:14:01,229 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:14:01,229 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:14:01,229 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,230 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:14:01,231 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:14:01,232 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,233 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:14:01,234 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:14:01,235 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:14:01,236 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:14:01,237 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:14:01,238 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse3 (< ~a19~0 10)) (.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse13 (= ~a10~0 |old(~a10~0)|)) (.cse5 (<= 9 ~a19~0))) (let ((.cse0 (< |old(~a19~0)| 9)) (.cse1 (<= 10 |old(~a19~0)|)) (.cse9 (and .cse3 .cse4 .cse13 .cse5)) (.cse12 (not (= 0 |old(~a10~0)|))) (.cse11 (< 8 |old(~a19~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse7 (< 2 |old(~a10~0)|)) (.cse8 (and (= ~a19~0 |old(~a19~0)|) .cse4 .cse13)) (.cse10 (<= (+ 2526205 |old(~a1~0)|) 0)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 |old(~a10~0)|)) (and .cse3 .cse4 (= ~a10~0 2) .cse5) .cse6) (or .cse2 (<= |old(~a10~0)| 0) .cse7 (< (+ |old(~a1~0)| 12) 0) .cse8 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse10 .cse6) (or .cse2 .cse11 .cse8 .cse12 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse12 .cse6) (or (< |old(~a10~0)| 2) .cse2 .cse11 .cse8 .cse6) (or .cse2 .cse7 .cse8 (< |old(~a1~0)| 23) .cse6) (or (< |old(~a19~0)| 10) .cse2 .cse7 .cse8 .cse10 .cse6)))) [2023-04-01 22:14:01,238 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:14:01,239 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,240 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:14:01,241 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (< ~a19~0 10) (= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-04-01 22:14:01,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:14:01,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:14:01,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:14:01,246 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:14:01,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:14:01 BoogieIcfgContainer [2023-04-01 22:14:01,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:14:01,264 INFO L158 Benchmark]: Toolchain (without parser) took 26388.11ms. Allocated memory was 178.3MB in the beginning and 487.6MB in the end (delta: 309.3MB). Free memory was 130.5MB in the beginning and 445.4MB in the end (delta: -314.9MB). Peak memory consumption was 287.0MB. Max. memory is 8.0GB. [2023-04-01 22:14:01,264 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:14:01,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 178.3MB. Free memory was 130.2MB in the beginning and 102.2MB in the end (delta: 28.0MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-04-01 22:14:01,265 INFO L158 Benchmark]: Boogie Preprocessor took 118.65ms. Allocated memory is still 178.3MB. Free memory was 102.2MB in the beginning and 97.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 22:14:01,265 INFO L158 Benchmark]: RCFGBuilder took 1146.59ms. Allocated memory was 178.3MB in the beginning and 265.3MB in the end (delta: 87.0MB). Free memory was 97.7MB in the beginning and 163.4MB in the end (delta: -65.7MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. [2023-04-01 22:14:01,265 INFO L158 Benchmark]: TraceAbstraction took 24627.50ms. Allocated memory was 265.3MB in the beginning and 487.6MB in the end (delta: 222.3MB). Free memory was 162.8MB in the beginning and 445.4MB in the end (delta: -282.5MB). Peak memory consumption was 231.6MB. Max. memory is 8.0GB. [2023-04-01 22:14:01,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 178.3MB. Free memory was 130.2MB in the beginning and 102.2MB in the end (delta: 28.0MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 118.65ms. Allocated memory is still 178.3MB. Free memory was 102.2MB in the beginning and 97.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1146.59ms. Allocated memory was 178.3MB in the beginning and 265.3MB in the end (delta: 87.0MB). Free memory was 97.7MB in the beginning and 163.4MB in the end (delta: -65.7MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. * TraceAbstraction took 24627.50ms. Allocated memory was 265.3MB in the beginning and 487.6MB in the end (delta: 222.3MB). Free memory was 162.8MB in the beginning and 445.4MB in the end (delta: -282.5MB). Peak memory consumption was 231.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 152]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7354 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7346 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 1467 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9665 IncrementalHoareTripleChecker+Invalid, 11132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1467 mSolverCounterUnsat, 547 mSDtfsCounter, 9665 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2732 GetRequests, 2595 SyntacticMatches, 2 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3246occurred in iteration=8, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 714 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 175 NumberOfFragments, 501 HoareAnnotationTreeSize, 99 FomulaSimplifications, 25036 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5084 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 3721 NumberOfCodeBlocks, 3721 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4467 ConstructedInterpolants, 0 QuantifiedInterpolants, 15556 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3185 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 3482/3842 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a1 + 12 && 0 < a10) && a10 <= 2) || \old(a19) < 9) || 10 <= \old(a19)) || !(14 == a4)) || (a10 == 0 && a19 < 10)) || (23 <= a1 && a10 <= 2)) || (a19 < 10 && a10 == 2)) || ((9 <= a19 && 0 < 2526205 + a1) && a10 <= 2)) || !(23 == \old(a1))) || ((2 <= a10 && a19 < 10) && 0 < 2526205 + a1)) || !(0 == \old(a10))) || !(a12 == 0)) || (a19 <= 8 && 2 <= a10) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:14:01,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...