/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/Problem11_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:20:34,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:20:34,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:20:34,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:20:34,503 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 22:20:34,535 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:20:34,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:20:34,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:20:34,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:20:34,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:20:34,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:20:34,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:20:34,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:20:34,538 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:20:34,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:20:34,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:20:34,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:20:34,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:20:34,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:20:34,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:34,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:20:34,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:20:34,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:20:34,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:20:34,542 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:20:34,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:20:34,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:20:34,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:20:34,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:20:34,790 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:20:34,791 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:20:34,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label56.c [2023-04-01 22:20:35,896 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:20:36,193 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:20:36,193 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label56.c [2023-04-01 22:20:36,213 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e71b4269/15e69911e8cf4e52a3fa2cda8af7ee4f/FLAG21c03c3c4 [2023-04-01 22:20:36,224 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e71b4269/15e69911e8cf4e52a3fa2cda8af7ee4f [2023-04-01 22:20:36,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:20:36,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:20:36,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:36,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:20:36,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:20:36,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f08af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36, skipping insertion in model container [2023-04-01 22:20:36,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:20:36,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:20:36,456 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/Problem11_label56.c[5994,6007] [2023-04-01 22:20:36,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:36,650 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:20:36,671 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/Problem11_label56.c[5994,6007] [2023-04-01 22:20:36,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:36,844 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:20:36,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36 WrapperNode [2023-04-01 22:20:36,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:36,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:20:36,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:20:36,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:20:36,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:36,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:20:37,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:20:37,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:20:37,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:20:37,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (1/1) ... [2023-04-01 22:20:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:37,034 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 22:20:37,047 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 22:20:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:20:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:20:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:20:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:20:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:20:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:20:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:20:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:20:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:20:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:20:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:20:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:20:37,166 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:20:37,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:20:38,513 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:20:38,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:20:38,529 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:20:38,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:38 BoogieIcfgContainer [2023-04-01 22:20:38,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:20:38,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:20:38,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:20:38,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:20:38,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:20:36" (1/3) ... [2023-04-01 22:20:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312dbf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:38, skipping insertion in model container [2023-04-01 22:20:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:36" (2/3) ... [2023-04-01 22:20:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312dbf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:38, skipping insertion in model container [2023-04-01 22:20:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:38" (3/3) ... [2023-04-01 22:20:38,539 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label56.c [2023-04-01 22:20:38,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:20:38,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:20:38,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:20:38,618 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;@7de00e37, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:20:38,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:20:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 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 22:20:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 22:20:38,630 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:38,631 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] [2023-04-01 22:20:38,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:38,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:38,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1384529190, now seen corresponding path program 1 times [2023-04-01 22:20:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:38,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833559690] [2023-04-01 22:20:38,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:39,104 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 22:20:39,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:39,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833559690] [2023-04-01 22:20:39,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833559690] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:39,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:39,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:20:39,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637809215] [2023-04-01 22:20:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:39,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:20:39,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:39,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:20:39,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:20:39,156 INFO L87 Difference]: Start difference. First operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 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 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 22:20:40,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:40,767 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2023-04-01 22:20:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:20:40,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 47 [2023-04-01 22:20:40,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:40,780 INFO L225 Difference]: With dead ends: 791 [2023-04-01 22:20:40,781 INFO L226 Difference]: Without dead ends: 434 [2023-04-01 22:20:40,789 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 22:20:40,791 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 648 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:40,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 59 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:20:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-04-01 22:20:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2023-04-01 22:20:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 420 states have (on average 1.4452380952380952) internal successors, (607), 422 states have internal predecessors, (607), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:20:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2023-04-01 22:20:40,853 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 47 [2023-04-01 22:20:40,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:40,854 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2023-04-01 22:20:40,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 22:20:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2023-04-01 22:20:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-01 22:20:40,858 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:40,858 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, 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 22:20:40,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:20:40,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:40,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:40,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1448785154, now seen corresponding path program 1 times [2023-04-01 22:20:40,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:40,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057154039] [2023-04-01 22:20:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:41,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057154039] [2023-04-01 22:20:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057154039] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:41,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:41,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:20:41,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986483021] [2023-04-01 22:20:41,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:41,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:20:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:41,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:20:41,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:41,311 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 22:20:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:43,250 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2023-04-01 22:20:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:20:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 119 [2023-04-01 22:20:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:43,258 INFO L225 Difference]: With dead ends: 1664 [2023-04-01 22:20:43,258 INFO L226 Difference]: Without dead ends: 1240 [2023-04-01 22:20:43,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:20:43,261 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1649 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1649 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:43,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1649 Valid, 146 Invalid, 1825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:20:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2023-04-01 22:20:43,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2023-04-01 22:20:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1181 states have (on average 1.3767993226079593) internal successors, (1626), 1192 states have internal predecessors, (1626), 8 states have call successors, (8), 8 states have call predecessors, (8), 18 states have return successors, (55), 7 states have call predecessors, (55), 7 states have call successors, (55) [2023-04-01 22:20:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1689 transitions. [2023-04-01 22:20:43,313 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1689 transitions. Word has length 119 [2023-04-01 22:20:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:43,314 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1689 transitions. [2023-04-01 22:20:43,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 22:20:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1689 transitions. [2023-04-01 22:20:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 22:20:43,316 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:43,316 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, 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 22:20:43,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:20:43,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:43,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:43,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1517781598, now seen corresponding path program 1 times [2023-04-01 22:20:43,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:43,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914771195] [2023-04-01 22:20:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:43,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:43,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914771195] [2023-04-01 22:20:43,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914771195] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:43,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806492642] [2023-04-01 22:20:43,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:43,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:43,635 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 22:20:43,637 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 22:20:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:43,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:20:43,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:44,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806492642] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:44,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-04-01 22:20:44,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311587312] [2023-04-01 22:20:44,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:44,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:20:44,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:44,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:20:44,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:44,311 INFO L87 Difference]: Start difference. First operand 1208 states and 1689 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 22:20:45,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:45,358 INFO L93 Difference]: Finished difference Result 3042 states and 4229 transitions. [2023-04-01 22:20:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 22:20:45,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 121 [2023-04-01 22:20:45,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:45,367 INFO L225 Difference]: With dead ends: 3042 [2023-04-01 22:20:45,368 INFO L226 Difference]: Without dead ends: 1840 [2023-04-01 22:20:45,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:20:45,372 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 496 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:45,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 126 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:20:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2023-04-01 22:20:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1810. [2023-04-01 22:20:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1758 states have (on average 1.2667804323094425) internal successors, (2227), 1788 states have internal predecessors, (2227), 11 states have call successors, (11), 11 states have call predecessors, (11), 40 states have return successors, (128), 10 states have call predecessors, (128), 10 states have call successors, (128) [2023-04-01 22:20:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2366 transitions. [2023-04-01 22:20:45,463 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2366 transitions. Word has length 121 [2023-04-01 22:20:45,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:45,463 INFO L495 AbstractCegarLoop]: Abstraction has 1810 states and 2366 transitions. [2023-04-01 22:20:45,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 22:20:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2366 transitions. [2023-04-01 22:20:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-01 22:20:45,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:45,466 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, 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, 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 22:20:45,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:45,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:45,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:45,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1581361940, now seen corresponding path program 1 times [2023-04-01 22:20:45,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891815049] [2023-04-01 22:20:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:45,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:45,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891815049] [2023-04-01 22:20:45,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891815049] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:45,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721558969] [2023-04-01 22:20:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:45,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:45,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:45,988 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 22:20:45,991 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 22:20:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:46,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:46,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:46,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721558969] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:46,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:46,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:20:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499514874] [2023-04-01 22:20:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:46,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:46,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:46,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:46,171 INFO L87 Difference]: Start difference. First operand 1810 states and 2366 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 22:20:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:46,923 INFO L93 Difference]: Finished difference Result 4013 states and 5362 transitions. [2023-04-01 22:20:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 178 [2023-04-01 22:20:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:46,934 INFO L225 Difference]: With dead ends: 4013 [2023-04-01 22:20:46,934 INFO L226 Difference]: Without dead ends: 2397 [2023-04-01 22:20:46,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 182 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 22:20:46,938 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 171 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:46,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 321 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:20:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2023-04-01 22:20:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2195. [2023-04-01 22:20:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 2135 states have (on average 1.244496487119438) internal successors, (2657), 2169 states have internal predecessors, (2657), 13 states have call successors, (13), 13 states have call predecessors, (13), 46 states have return successors, (165), 12 states have call predecessors, (165), 12 states have call successors, (165) [2023-04-01 22:20:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2835 transitions. [2023-04-01 22:20:46,998 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2835 transitions. Word has length 178 [2023-04-01 22:20:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:47,000 INFO L495 AbstractCegarLoop]: Abstraction has 2195 states and 2835 transitions. [2023-04-01 22:20:47,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 22:20:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2835 transitions. [2023-04-01 22:20:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-01 22:20:47,008 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:47,012 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, 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:47,028 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 22:20:47,222 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 22:20:47,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:47,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash 382609708, now seen corresponding path program 1 times [2023-04-01 22:20:47,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:47,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869893324] [2023-04-01 22:20:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:20:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 22:20:47,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869893324] [2023-04-01 22:20:47,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869893324] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127745726] [2023-04-01 22:20:47,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:47,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:47,699 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 22:20:47,711 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 22:20:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:47,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:20:47,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 71 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:48,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 22:20:49,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127745726] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:49,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:20:49,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 9] total 13 [2023-04-01 22:20:49,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598201798] [2023-04-01 22:20:49,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:49,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:49,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:49,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:49,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:20:49,430 INFO L87 Difference]: Start difference. First operand 2195 states and 2835 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 22:20:50,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:50,248 INFO L93 Difference]: Finished difference Result 5548 states and 7478 transitions. [2023-04-01 22:20:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:50,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 237 [2023-04-01 22:20:50,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:50,266 INFO L225 Difference]: With dead ends: 5548 [2023-04-01 22:20:50,267 INFO L226 Difference]: Without dead ends: 3547 [2023-04-01 22:20:50,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:20:50,271 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 190 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:50,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 92 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:20:50,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2023-04-01 22:20:50,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3544. [2023-04-01 22:20:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 3454 states have (on average 1.265778807180081) internal successors, (4372), 3504 states have internal predecessors, (4372), 20 states have call successors, (20), 20 states have call predecessors, (20), 69 states have return successors, (358), 19 states have call predecessors, (358), 19 states have call successors, (358) [2023-04-01 22:20:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4750 transitions. [2023-04-01 22:20:50,384 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4750 transitions. Word has length 237 [2023-04-01 22:20:50,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:50,384 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 4750 transitions. [2023-04-01 22:20:50,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 22:20:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4750 transitions. [2023-04-01 22:20:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-01 22:20:50,391 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:50,391 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, 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] [2023-04-01 22:20:50,399 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 22:20:50,597 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 22:20:50,598 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:50,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1575672288, now seen corresponding path program 1 times [2023-04-01 22:20:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:50,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061601661] [2023-04-01 22:20:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:50,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:20:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-04-01 22:20:51,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:51,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061601661] [2023-04-01 22:20:51,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061601661] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:51,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981571251] [2023-04-01 22:20:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:51,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:51,006 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 22:20:51,031 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 22:20:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:51,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-01 22:20:51,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-04-01 22:20:51,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981571251] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:51,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:51,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:20:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752893669] [2023-04-01 22:20:51,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:51,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:51,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:51,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:20:51,190 INFO L87 Difference]: Start difference. First operand 3544 states and 4750 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 22:20:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:52,020 INFO L93 Difference]: Finished difference Result 8442 states and 11884 transitions. [2023-04-01 22:20:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:52,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 247 [2023-04-01 22:20:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:52,050 INFO L225 Difference]: With dead ends: 8442 [2023-04-01 22:20:52,051 INFO L226 Difference]: Without dead ends: 5092 [2023-04-01 22:20:52,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:20:52,063 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 176 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:52,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 404 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:20:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5092 states. [2023-04-01 22:20:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5092 to 5090. [2023-04-01 22:20:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5090 states, 4969 states have (on average 1.2714831958140471) internal successors, (6318), 5034 states have internal predecessors, (6318), 28 states have call successors, (28), 28 states have call predecessors, (28), 92 states have return successors, (670), 27 states have call predecessors, (670), 27 states have call successors, (670) [2023-04-01 22:20:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 7016 transitions. [2023-04-01 22:20:52,202 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 7016 transitions. Word has length 247 [2023-04-01 22:20:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:52,202 INFO L495 AbstractCegarLoop]: Abstraction has 5090 states and 7016 transitions. [2023-04-01 22:20:52,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 22:20:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 7016 transitions. [2023-04-01 22:20:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-04-01 22:20:52,209 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:52,211 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, 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, 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] [2023-04-01 22:20:52,220 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 22:20:52,420 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 22:20:52,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:52,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:52,421 INFO L85 PathProgramCache]: Analyzing trace with hash 612499359, now seen corresponding path program 1 times [2023-04-01 22:20:52,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:52,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457473341] [2023-04-01 22:20:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-01 22:20:53,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457473341] [2023-04-01 22:20:53,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457473341] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049892045] [2023-04-01 22:20:53,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:53,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:53,345 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 22:20:53,370 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 22:20:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:53,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:20:53,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-01 22:20:53,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:54,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049892045] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:20:54,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:20:54,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 5] total 13 [2023-04-01 22:20:54,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675895827] [2023-04-01 22:20:54,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:20:54,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:20:54,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:54,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:20:54,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:20:54,225 INFO L87 Difference]: Start difference. First operand 5090 states and 7016 transitions. Second operand has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:20:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:57,750 INFO L93 Difference]: Finished difference Result 16651 states and 24659 transitions. [2023-04-01 22:20:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 22:20:57,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 286 [2023-04-01 22:20:57,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:57,819 INFO L225 Difference]: With dead ends: 16651 [2023-04-01 22:20:57,819 INFO L226 Difference]: Without dead ends: 11755 [2023-04-01 22:20:57,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 581 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2023-04-01 22:20:57,836 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 1536 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 3601 mSolverCounterSat, 716 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 4317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 716 IncrementalHoareTripleChecker+Valid, 3601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:57,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 220 Invalid, 4317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [716 Valid, 3601 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-01 22:20:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11755 states. [2023-04-01 22:20:58,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11755 to 10372. [2023-04-01 22:20:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10372 states, 10102 states have (on average 1.22817263908137) internal successors, (12407), 10262 states have internal predecessors, (12407), 55 states have call successors, (55), 55 states have call predecessors, (55), 214 states have return successors, (1832), 54 states have call predecessors, (1832), 54 states have call successors, (1832) [2023-04-01 22:20:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10372 states to 10372 states and 14294 transitions. [2023-04-01 22:20:58,168 INFO L78 Accepts]: Start accepts. Automaton has 10372 states and 14294 transitions. Word has length 286 [2023-04-01 22:20:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:58,168 INFO L495 AbstractCegarLoop]: Abstraction has 10372 states and 14294 transitions. [2023-04-01 22:20:58,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:20:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10372 states and 14294 transitions. [2023-04-01 22:20:58,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-04-01 22:20:58,184 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:58,184 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, 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, 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 22:20:58,195 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 22:20:58,391 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 22:20:58,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:58,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:58,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1079126113, now seen corresponding path program 1 times [2023-04-01 22:20:58,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:58,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952186426] [2023-04-01 22:20:58,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:58,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-01 22:20:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 297 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:20:58,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:58,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952186426] [2023-04-01 22:20:58,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952186426] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:58,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466352645] [2023-04-01 22:20:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:58,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:58,885 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 22:20:58,887 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 22:20:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:59,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 299 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 22:20:59,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 299 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 22:20:59,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466352645] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:20:59,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:20:59,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:20:59,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736963202] [2023-04-01 22:20:59,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:20:59,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:20:59,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:59,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:20:59,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:20:59,529 INFO L87 Difference]: Start difference. First operand 10372 states and 14294 transitions. Second operand has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 9 states have internal predecessors, (493), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:02,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:02,528 INFO L93 Difference]: Finished difference Result 24542 states and 35520 transitions. [2023-04-01 22:21:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-01 22:21:02,529 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 9 states have internal predecessors, (493), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 356 [2023-04-01 22:21:02,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:02,582 INFO L225 Difference]: With dead ends: 24542 [2023-04-01 22:21:02,582 INFO L226 Difference]: Without dead ends: 14364 [2023-04-01 22:21:02,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 737 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=305, Invalid=1255, Unknown=0, NotChecked=0, Total=1560 [2023-04-01 22:21:02,609 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 1637 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 2718 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 3322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 2718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:02,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 251 Invalid, 3322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 2718 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 22:21:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14364 states. [2023-04-01 22:21:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14364 to 13075. [2023-04-01 22:21:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13075 states, 12738 states have (on average 1.1666666666666667) internal successors, (14861), 12937 states have internal predecessors, (14861), 69 states have call successors, (69), 69 states have call predecessors, (69), 267 states have return successors, (1807), 68 states have call predecessors, (1807), 68 states have call successors, (1807) [2023-04-01 22:21:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13075 states to 13075 states and 16737 transitions. [2023-04-01 22:21:02,940 INFO L78 Accepts]: Start accepts. Automaton has 13075 states and 16737 transitions. Word has length 356 [2023-04-01 22:21:02,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:02,941 INFO L495 AbstractCegarLoop]: Abstraction has 13075 states and 16737 transitions. [2023-04-01 22:21:02,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 9 states have internal predecessors, (493), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 13075 states and 16737 transitions. [2023-04-01 22:21:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-04-01 22:21:02,953 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:02,953 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, 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, 3, 3, 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] [2023-04-01 22:21:02,962 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 22:21:03,160 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 22:21:03,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:03,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash -229209929, now seen corresponding path program 1 times [2023-04-01 22:21:03,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:03,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290291911] [2023-04-01 22:21:03,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:03,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:21:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 207 proven. 85 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-01 22:21:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290291911] [2023-04-01 22:21:03,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290291911] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558015092] [2023-04-01 22:21:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:03,853 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 22:21:03,881 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 22:21:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:04,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:04,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-04-01 22:21:04,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:21:04,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558015092] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:21:04,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:21:04,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:21:04,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861446347] [2023-04-01 22:21:04,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:04,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:21:04,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:04,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:21:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:21:04,106 INFO L87 Difference]: Start difference. First operand 13075 states and 16737 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 22:21:04,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:04,769 INFO L93 Difference]: Finished difference Result 27669 states and 35435 transitions. [2023-04-01 22:21:04,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:21:04,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 357 [2023-04-01 22:21:04,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:04,819 INFO L225 Difference]: With dead ends: 27669 [2023-04-01 22:21:04,819 INFO L226 Difference]: Without dead ends: 14978 [2023-04-01 22:21:04,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:21:04,849 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 182 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:04,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 164 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:21:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14978 states. [2023-04-01 22:21:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14978 to 14976. [2023-04-01 22:21:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14976 states, 14608 states have (on average 1.1596385542168675) internal successors, (16940), 14818 states have internal predecessors, (16940), 79 states have call successors, (79), 79 states have call predecessors, (79), 288 states have return successors, (2067), 78 states have call predecessors, (2067), 78 states have call successors, (2067) [2023-04-01 22:21:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14976 states to 14976 states and 19086 transitions. [2023-04-01 22:21:05,179 INFO L78 Accepts]: Start accepts. Automaton has 14976 states and 19086 transitions. Word has length 357 [2023-04-01 22:21:05,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:05,180 INFO L495 AbstractCegarLoop]: Abstraction has 14976 states and 19086 transitions. [2023-04-01 22:21:05,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 22:21:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 14976 states and 19086 transitions. [2023-04-01 22:21:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-04-01 22:21:05,201 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:05,202 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, 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, 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, 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 22:21:05,208 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 22:21:05,407 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 22:21:05,408 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:05,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:05,408 INFO L85 PathProgramCache]: Analyzing trace with hash -475677433, now seen corresponding path program 1 times [2023-04-01 22:21:05,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:05,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811595379] [2023-04-01 22:21:05,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-01 22:21:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 22:21:05,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811595379] [2023-04-01 22:21:05,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811595379] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122179119] [2023-04-01 22:21:05,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:05,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:05,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:05,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:21:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:06,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:06,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-01 22:21:06,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-01 22:21:06,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122179119] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:06,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:06,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:21:06,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315794677] [2023-04-01 22:21:06,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:06,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:21:06,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:06,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:21:06,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:21:06,542 INFO L87 Difference]: Start difference. First operand 14976 states and 19086 transitions. Second operand has 11 states, 11 states have (on average 43.0) internal successors, (473), 9 states have internal predecessors, (473), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:08,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:08,287 INFO L93 Difference]: Finished difference Result 33005 states and 42421 transitions. [2023-04-01 22:21:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 22:21:08,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 43.0) internal successors, (473), 9 states have internal predecessors, (473), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 396 [2023-04-01 22:21:08,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:08,343 INFO L225 Difference]: With dead ends: 33005 [2023-04-01 22:21:08,344 INFO L226 Difference]: Without dead ends: 17643 [2023-04-01 22:21:08,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 802 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-04-01 22:21:08,376 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1135 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:08,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 148 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:21:08,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17643 states. [2023-04-01 22:21:08,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17643 to 16439. [2023-04-01 22:21:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16439 states, 16006 states have (on average 1.1523178807947019) internal successors, (18444), 16267 states have internal predecessors, (18444), 86 states have call successors, (86), 86 states have call predecessors, (86), 346 states have return successors, (2282), 85 states have call predecessors, (2282), 85 states have call successors, (2282) [2023-04-01 22:21:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16439 states to 16439 states and 20812 transitions. [2023-04-01 22:21:08,729 INFO L78 Accepts]: Start accepts. Automaton has 16439 states and 20812 transitions. Word has length 396 [2023-04-01 22:21:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:08,729 INFO L495 AbstractCegarLoop]: Abstraction has 16439 states and 20812 transitions. [2023-04-01 22:21:08,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 43.0) internal successors, (473), 9 states have internal predecessors, (473), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 16439 states and 20812 transitions. [2023-04-01 22:21:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2023-04-01 22:21:08,763 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:08,763 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 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, 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 22:21:08,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:08,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-01 22:21:08,972 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:08,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:08,972 INFO L85 PathProgramCache]: Analyzing trace with hash -480450349, now seen corresponding path program 1 times [2023-04-01 22:21:08,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:08,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651757492] [2023-04-01 22:21:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:08,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:21:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-01 22:21:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 174 proven. 4 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-04-01 22:21:09,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:09,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651757492] [2023-04-01 22:21:09,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651757492] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:09,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697931277] [2023-04-01 22:21:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:09,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:09,529 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:09,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:21:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:09,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-01 22:21:09,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2023-04-01 22:21:09,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:21:09,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697931277] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:21:09,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:21:09,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-04-01 22:21:09,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590413569] [2023-04-01 22:21:09,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:09,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:21:09,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:09,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:21:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:21:09,802 INFO L87 Difference]: Start difference. First operand 16439 states and 20812 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 22:21:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:10,946 INFO L93 Difference]: Finished difference Result 35920 states and 45676 transitions. [2023-04-01 22:21:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 22:21:10,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 488 [2023-04-01 22:21:10,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:11,000 INFO L225 Difference]: With dead ends: 35920 [2023-04-01 22:21:11,000 INFO L226 Difference]: Without dead ends: 19281 [2023-04-01 22:21:11,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:21:11,023 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 383 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:11,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 392 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:21:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19281 states. [2023-04-01 22:21:11,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19281 to 18339. [2023-04-01 22:21:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18339 states, 17880 states have (on average 1.1373601789709171) internal successors, (20336), 18147 states have internal predecessors, (20336), 96 states have call successors, (96), 96 states have call predecessors, (96), 362 states have return successors, (2388), 95 states have call predecessors, (2388), 95 states have call successors, (2388) [2023-04-01 22:21:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18339 states to 18339 states and 22820 transitions. [2023-04-01 22:21:11,405 INFO L78 Accepts]: Start accepts. Automaton has 18339 states and 22820 transitions. Word has length 488 [2023-04-01 22:21:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:11,405 INFO L495 AbstractCegarLoop]: Abstraction has 18339 states and 22820 transitions. [2023-04-01 22:21:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 22:21:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18339 states and 22820 transitions. [2023-04-01 22:21:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2023-04-01 22:21:11,439 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:11,439 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 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, 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 22:21:11,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:11,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:11,647 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:11,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash -752998987, now seen corresponding path program 1 times [2023-04-01 22:21:11,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:11,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209063416] [2023-04-01 22:21:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:21:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-04-01 22:21:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 251 proven. 168 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2023-04-01 22:21:12,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:12,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209063416] [2023-04-01 22:21:12,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209063416] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:12,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968250874] [2023-04-01 22:21:12,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:12,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:12,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:12,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:12,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-01 22:21:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:12,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 468 proven. 2 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2023-04-01 22:21:12,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 468 proven. 2 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2023-04-01 22:21:13,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968250874] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:13,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:13,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:21:13,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249283799] [2023-04-01 22:21:13,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:13,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:21:13,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:13,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:21:13,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:21:13,223 INFO L87 Difference]: Start difference. First operand 18339 states and 22820 transitions. Second operand has 11 states, 11 states have (on average 48.90909090909091) internal successors, (538), 9 states have internal predecessors, (538), 4 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:21:16,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:16,496 INFO L93 Difference]: Finished difference Result 39727 states and 50530 transitions. [2023-04-01 22:21:16,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-01 22:21:16,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 48.90909090909091) internal successors, (538), 9 states have internal predecessors, (538), 4 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 488 [2023-04-01 22:21:16,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:16,565 INFO L225 Difference]: With dead ends: 39727 [2023-04-01 22:21:16,565 INFO L226 Difference]: Without dead ends: 21580 [2023-04-01 22:21:16,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 1003 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1317, Unknown=0, NotChecked=0, Total=1640 [2023-04-01 22:21:16,599 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1345 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 3240 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 3600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 3240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:16,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 279 Invalid, 3600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 3240 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-01 22:21:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21580 states. [2023-04-01 22:21:17,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21580 to 20995. [2023-04-01 22:21:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20995 states, 20500 states have (on average 1.1239024390243904) internal successors, (23040), 20775 states have internal predecessors, (23040), 110 states have call successors, (110), 110 states have call predecessors, (110), 384 states have return successors, (2431), 109 states have call predecessors, (2431), 109 states have call successors, (2431) [2023-04-01 22:21:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20995 states to 20995 states and 25581 transitions. [2023-04-01 22:21:17,079 INFO L78 Accepts]: Start accepts. Automaton has 20995 states and 25581 transitions. Word has length 488 [2023-04-01 22:21:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:17,079 INFO L495 AbstractCegarLoop]: Abstraction has 20995 states and 25581 transitions. [2023-04-01 22:21:17,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 48.90909090909091) internal successors, (538), 9 states have internal predecessors, (538), 4 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:21:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 20995 states and 25581 transitions. [2023-04-01 22:21:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2023-04-01 22:21:17,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:17,133 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 3, 3, 3, 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] [2023-04-01 22:21:17,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:17,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 22:21:17,340 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:17,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:17,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1167444225, now seen corresponding path program 1 times [2023-04-01 22:21:17,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:17,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767247769] [2023-04-01 22:21:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-01 22:21:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-01 22:21:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-04-01 22:21:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 177 proven. 338 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-04-01 22:21:18,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:18,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767247769] [2023-04-01 22:21:18,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767247769] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:18,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112444547] [2023-04-01 22:21:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:18,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:18,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:18,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-01 22:21:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:18,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:21:18,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 4 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-01 22:21:19,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 179 proven. 539 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-04-01 22:21:21,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112444547] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:21,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:21,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-01 22:21:21,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345146751] [2023-04-01 22:21:21,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:21,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:21:21,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:21,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:21:21,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:21:21,821 INFO L87 Difference]: Start difference. First operand 20995 states and 25581 transitions. Second operand has 18 states, 18 states have (on average 45.22222222222222) internal successors, (814), 16 states have internal predecessors, (814), 6 states have call successors, (13), 9 states have call predecessors, (13), 12 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2023-04-01 22:21:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:25,658 INFO L93 Difference]: Finished difference Result 63316 states and 77096 transitions. [2023-04-01 22:21:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 22:21:25,659 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 45.22222222222222) internal successors, (814), 16 states have internal predecessors, (814), 6 states have call successors, (13), 9 states have call predecessors, (13), 12 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 533 [2023-04-01 22:21:25,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:25,819 INFO L225 Difference]: With dead ends: 63316 [2023-04-01 22:21:25,820 INFO L226 Difference]: Without dead ends: 41931 [2023-04-01 22:21:25,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1124 GetRequests, 1084 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=375, Invalid=1185, Unknown=0, NotChecked=0, Total=1560 [2023-04-01 22:21:25,847 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 3828 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 3956 mSolverCounterSat, 930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3831 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 930 IncrementalHoareTripleChecker+Valid, 3956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:25,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3831 Valid, 231 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [930 Valid, 3956 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-01 22:21:25,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41931 states. [2023-04-01 22:21:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41931 to 39207. [2023-04-01 22:21:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39207 states, 38374 states have (on average 1.1097878772085266) internal successors, (42587), 38797 states have internal predecessors, (42587), 205 states have call successors, (205), 205 states have call predecessors, (205), 627 states have return successors, (3924), 204 states have call predecessors, (3924), 204 states have call successors, (3924) [2023-04-01 22:21:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39207 states to 39207 states and 46716 transitions. [2023-04-01 22:21:26,623 INFO L78 Accepts]: Start accepts. Automaton has 39207 states and 46716 transitions. Word has length 533 [2023-04-01 22:21:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:26,624 INFO L495 AbstractCegarLoop]: Abstraction has 39207 states and 46716 transitions. [2023-04-01 22:21:26,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 45.22222222222222) internal successors, (814), 16 states have internal predecessors, (814), 6 states have call successors, (13), 9 states have call predecessors, (13), 12 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2023-04-01 22:21:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 39207 states and 46716 transitions. [2023-04-01 22:21:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2023-04-01 22:21:26,685 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:26,685 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:26,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:26,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:21:26,892 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:26,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1434317844, now seen corresponding path program 1 times [2023-04-01 22:21:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:26,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499150161] [2023-04-01 22:21:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:26,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-01 22:21:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2023-04-01 22:21:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2023-04-01 22:21:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 459 proven. 248 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2023-04-01 22:21:28,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:28,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499150161] [2023-04-01 22:21:28,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499150161] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:28,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494270703] [2023-04-01 22:21:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:28,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:28,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:28,709 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:28,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-04-01 22:21:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-01 22:21:28,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1141 proven. 2 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-04-01 22:21:31,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 463 proven. 244 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2023-04-01 22:21:32,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494270703] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:32,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:32,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 16 [2023-04-01 22:21:32,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870375206] [2023-04-01 22:21:32,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:32,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:21:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:21:32,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:21:32,122 INFO L87 Difference]: Start difference. First operand 39207 states and 46716 transitions. Second operand has 16 states, 16 states have (on average 47.375) internal successors, (758), 14 states have internal predecessors, (758), 5 states have call successors, (12), 7 states have call predecessors, (12), 9 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:21:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:35,730 INFO L93 Difference]: Finished difference Result 72453 states and 86204 transitions. [2023-04-01 22:21:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 22:21:35,733 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 47.375) internal successors, (758), 14 states have internal predecessors, (758), 5 states have call successors, (12), 7 states have call predecessors, (12), 9 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 713 [2023-04-01 22:21:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:35,807 INFO L225 Difference]: With dead ends: 72453 [2023-04-01 22:21:35,808 INFO L226 Difference]: Without dead ends: 35178 [2023-04-01 22:21:35,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1478 GetRequests, 1445 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=308, Invalid=882, Unknown=0, NotChecked=0, Total=1190 [2023-04-01 22:21:35,852 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1074 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 4855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:35,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 249 Invalid, 4855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 4566 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 22:21:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35178 states. [2023-04-01 22:21:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35178 to 35133. [2023-04-01 22:21:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35133 states, 34373 states have (on average 1.103453291827888) internal successors, (37929), 34765 states have internal predecessors, (37929), 184 states have call successors, (184), 184 states have call predecessors, (184), 575 states have return successors, (3183), 183 states have call predecessors, (3183), 183 states have call successors, (3183) [2023-04-01 22:21:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35133 states to 35133 states and 41296 transitions. [2023-04-01 22:21:36,479 INFO L78 Accepts]: Start accepts. Automaton has 35133 states and 41296 transitions. Word has length 713 [2023-04-01 22:21:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:36,480 INFO L495 AbstractCegarLoop]: Abstraction has 35133 states and 41296 transitions. [2023-04-01 22:21:36,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 47.375) internal successors, (758), 14 states have internal predecessors, (758), 5 states have call successors, (12), 7 states have call predecessors, (12), 9 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:21:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 35133 states and 41296 transitions. [2023-04-01 22:21:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2023-04-01 22:21:36,534 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:36,535 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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 22:21:36,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:36,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-01 22:21:36,742 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:36,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:36,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1926500521, now seen corresponding path program 1 times [2023-04-01 22:21:36,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:36,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351219348] [2023-04-01 22:21:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-01 22:21:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2023-04-01 22:21:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2023-04-01 22:21:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2023-04-01 22:21:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 632 proven. 268 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 22:21:37,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:37,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351219348] [2023-04-01 22:21:37,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351219348] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:37,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087724699] [2023-04-01 22:21:37,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:37,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:37,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:37,853 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:37,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-04-01 22:21:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:38,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:38,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 1535 proven. 2 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-04-01 22:21:38,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 635 proven. 270 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2023-04-01 22:21:38,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087724699] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:38,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:38,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-04-01 22:21:38,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858593105] [2023-04-01 22:21:38,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:38,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 22:21:38,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:38,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 22:21:38,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:21:38,743 INFO L87 Difference]: Start difference. First operand 35133 states and 41296 transitions. Second operand has 9 states, 9 states have (on average 82.0) internal successors, (738), 7 states have internal predecessors, (738), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:40,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:40,701 INFO L93 Difference]: Finished difference Result 68275 states and 80141 transitions. [2023-04-01 22:21:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 22:21:40,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.0) internal successors, (738), 7 states have internal predecessors, (738), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 843 [2023-04-01 22:21:40,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:40,771 INFO L225 Difference]: With dead ends: 68275 [2023-04-01 22:21:40,771 INFO L226 Difference]: Without dead ends: 33528 [2023-04-01 22:21:40,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1718 GetRequests, 1700 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:21:40,810 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 783 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:40,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 106 Invalid, 2194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:21:40,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33528 states. [2023-04-01 22:21:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33528 to 32187. [2023-04-01 22:21:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32187 states, 31510 states have (on average 1.0927324658838464) internal successors, (34432), 31849 states have internal predecessors, (34432), 169 states have call successors, (169), 169 states have call predecessors, (169), 507 states have return successors, (2602), 168 states have call predecessors, (2602), 168 states have call successors, (2602) [2023-04-01 22:21:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32187 states to 32187 states and 37203 transitions. [2023-04-01 22:21:41,535 INFO L78 Accepts]: Start accepts. Automaton has 32187 states and 37203 transitions. Word has length 843 [2023-04-01 22:21:41,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:41,536 INFO L495 AbstractCegarLoop]: Abstraction has 32187 states and 37203 transitions. [2023-04-01 22:21:41,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.0) internal successors, (738), 7 states have internal predecessors, (738), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32187 states and 37203 transitions. [2023-04-01 22:21:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2023-04-01 22:21:41,586 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:41,587 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:41,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:41,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-01 22:21:41,788 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:41,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1165241287, now seen corresponding path program 1 times [2023-04-01 22:21:41,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:41,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292264201] [2023-04-01 22:21:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:41,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-01 22:21:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2023-04-01 22:21:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-04-01 22:21:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2023-04-01 22:21:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2023-04-01 22:21:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2567 backedges. 542 proven. 868 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2023-04-01 22:21:43,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:43,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292264201] [2023-04-01 22:21:43,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292264201] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:43,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197611296] [2023-04-01 22:21:43,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:43,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:43,500 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:43,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-04-01 22:21:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:43,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:21:43,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2567 backedges. 1789 proven. 2 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2023-04-01 22:21:43,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2567 backedges. 650 proven. 302 refuted. 0 times theorem prover too weak. 1615 trivial. 0 not checked. [2023-04-01 22:21:44,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197611296] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:44,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:44,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-04-01 22:21:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706298212] [2023-04-01 22:21:44,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:44,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:21:44,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:44,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:21:44,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:21:44,574 INFO L87 Difference]: Start difference. First operand 32187 states and 37203 transitions. Second operand has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 6 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:21:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:48,222 INFO L93 Difference]: Finished difference Result 50323 states and 57783 transitions. [2023-04-01 22:21:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-01 22:21:48,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 6 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 884 [2023-04-01 22:21:48,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:48,223 INFO L225 Difference]: With dead ends: 50323 [2023-04-01 22:21:48,223 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:21:48,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1836 GetRequests, 1800 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=1151, Unknown=0, NotChecked=0, Total=1406 [2023-04-01 22:21:48,258 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 3393 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4920 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 5323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 4920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:48,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 189 Invalid, 5323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 4920 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-01 22:21:48,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:21:48,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:21:48,259 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 22:21:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:21:48,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 884 [2023-04-01 22:21:48,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:48,259 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:21:48,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 41.61538461538461) internal successors, (541), 11 states have internal predecessors, (541), 6 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:21:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:21:48,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:21:48,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:21:48,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:48,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:48,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:22:08,568 WARN L223 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 683 DAG size of output: 751 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:22:32,139 WARN L223 SmtUtils]: Spent 19.24s on a formula simplification. DAG size of input: 683 DAG size of output: 751 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:22:43,994 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:22:43,994 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:22:43,994 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L895 garLoopResultBuilder]: At program point L1052(line 1052) the Hoare annotation is: (let ((.cse3 (<= 260 ~a29~0)) (.cse5 (<= 307 ~a23~0)) (.cse16 (<= (+ 119992 ~a23~0) 0)) (.cse10 (<= ~a23~0 312)) (.cse17 (<= |old(~a25~0)| 12)) (.cse8 (< 245 ~a29~0)) (.cse1 (<= 12 ~a25~0)) (.cse0 (not (= ~a25~0 13))) (.cse11 (<= (+ ~a23~0 43) 0)) (.cse14 (<= (+ 28470 ~a29~0) 0)) (.cse9 (<= ~a29~0 277)) (.cse18 (<= ~a23~0 138)) (.cse12 (= ~a25~0 9)) (.cse13 (<= 312 ~a23~0)) (.cse15 (<= ~a29~0 220)) (.cse4 (<= 10 ~a25~0)) (.cse2 (<= 141 ~a29~0)) (.cse6 (< ~a23~0 600062)) (.cse7 (= ~a4~0 1)) (.cse19 (<= 13 ~a25~0))) (or (and .cse0 (< (+ ~a23~0 42) 0) (<= ~a29~0 245) .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse1 .cse10) (and .cse3 .cse11 .cse12) (and .cse3 .cse5 .cse6 .cse12 .cse7) (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (and .cse4 .cse8 .cse6 .cse7 .cse13) (and .cse11 .cse14 .cse12) (and .cse1 .cse7 .cse10) (and .cse1 .cse2 .cse15 .cse16) (and .cse0 .cse4 .cse15 .cse16) (and .cse17 .cse12 .cse15 .cse7 .cse10) (and .cse4 .cse8 .cse9 .cse7 (<= ~a23~0 |old(~a23~0)|)) (not (= ~a3~0 1)) (and .cse8 .cse9 .cse12 .cse7) (and .cse17 .cse12 .cse18 .cse7) (and .cse11 .cse8 .cse9 .cse1) (and .cse0 .cse11 .cse4 .cse14) (< 312 |old(~a23~0)|) (and .cse4 .cse9 .cse2 .cse18 .cse7) (and .cse6 .cse7 (= ~a25~0 10)) (and .cse4 .cse6 .cse2 .cse15 .cse7) (and .cse6 .cse2 .cse12 .cse7 .cse13) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and .cse2 .cse15 .cse7 .cse19) (< |old(~a29~0)| 130) (and .cse4 (<= ~a23~0 85) .cse2 .cse7) (and .cse6 .cse7 .cse19) (< 130 |old(~a29~0)|))) [2023-04-01 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point L1052-1(line 1052) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= 260 ~a29~0)) (.cse5 (<= 307 ~a23~0)) (.cse16 (<= (+ 119992 ~a23~0) 0)) (.cse10 (<= ~a23~0 312)) (.cse17 (<= |old(~a25~0)| 12)) (.cse8 (< 245 ~a29~0)) (.cse1 (<= 12 ~a25~0)) (.cse0 (not (= ~a25~0 13))) (.cse11 (<= (+ ~a23~0 43) 0)) (.cse14 (<= (+ 28470 ~a29~0) 0)) (.cse9 (<= ~a29~0 277)) (.cse18 (<= ~a23~0 138)) (.cse12 (= ~a25~0 9)) (.cse13 (<= 312 ~a23~0)) (.cse15 (<= ~a29~0 220)) (.cse4 (<= 10 ~a25~0)) (.cse2 (<= 141 ~a29~0)) (.cse6 (< ~a23~0 600062)) (.cse7 (= ~a4~0 1)) (.cse19 (<= 13 ~a25~0))) (or (and .cse0 (< (+ ~a23~0 42) 0) (<= ~a29~0 245) .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse1 .cse10) (and .cse3 .cse11 .cse12) (and .cse3 .cse5 .cse6 .cse12 .cse7) (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (and .cse4 .cse8 .cse6 .cse7 .cse13) (and .cse11 .cse14 .cse12) (and .cse1 .cse7 .cse10) (and .cse1 .cse2 .cse15 .cse16) (and .cse0 .cse4 .cse15 .cse16) (and .cse17 .cse12 .cse15 .cse7 .cse10) (and .cse4 .cse8 .cse9 .cse7 (<= ~a23~0 |old(~a23~0)|)) (not (= ~a3~0 1)) (and .cse8 .cse9 .cse12 .cse7) (and .cse17 .cse12 .cse18 .cse7) (and .cse11 .cse8 .cse9 .cse1) (and .cse0 .cse11 .cse4 .cse14) (< 312 |old(~a23~0)|) (and .cse4 .cse9 .cse2 .cse18 .cse7) (and .cse6 .cse7 (= ~a25~0 10)) (and .cse4 .cse6 .cse2 .cse15 .cse7) (and .cse6 .cse2 .cse12 .cse7 .cse13) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and .cse2 .cse15 .cse7 .cse19) (< |old(~a29~0)| 130) (and .cse4 (<= ~a23~0 85) .cse2 .cse7) (and .cse6 .cse7 .cse19) (< 130 |old(~a29~0)|))) [2023-04-01 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point L1044-3(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1038 1054) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (not (= ~a3~0 1)) (and (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a25~0 10) (<= 130 ~a29~0) (<= ~a29~0 130)) (< 312 |old(~a23~0)|) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (< |old(~a29~0)| 130) (< 130 |old(~a29~0)|)) [2023-04-01 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:22:43,995 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a3~0 |old(~a3~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a8~0 |old(~a8~0)|) (= ~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 22:22:43,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 22:22:43,996 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-04-01 22:22:43,997 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-04-01 22:22:43,998 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-04-01 22:22:43,999 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-04-01 22:22:44,000 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,001 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:22:44,002 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,003 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,004 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,005 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-04-01 22:22:44,006 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,007 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-04-01 22:22:44,008 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,009 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,010 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 22:22:44,011 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-04-01 22:22:44,012 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,013 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:22:44,014 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,015 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,016 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 1036) the Hoare annotation is: (let ((.cse30 (= ~a4~0 1)) (.cse31 (= ~a25~0 |old(~a25~0)|)) (.cse27 (= ~a29~0 |old(~a29~0)|)) (.cse28 (= ~a23~0 |old(~a23~0)|)) (.cse29 (= ~a25~0 9)) (.cse32 (= ~a4~0 |old(~a4~0)|))) (let ((.cse12 (< 0 (+ 28470 |old(~a29~0)|))) (.cse21 (< |old(~a23~0)| 312)) (.cse6 (< |old(~a25~0)| 13)) (.cse16 (<= 600062 |old(~a23~0)|)) (.cse14 (and .cse27 .cse28 .cse29 .cse32)) (.cse25 (< |old(~a23~0)| 307)) (.cse22 (< |old(~a29~0)| 260)) (.cse5 (and .cse27 .cse28 .cse30 .cse31)) (.cse10 (< |old(~a25~0)| 10)) (.cse11 (< 0 (+ 43 |old(~a23~0)|))) (.cse7 (< 220 |old(~a29~0)|)) (.cse19 (< 0 (+ 119992 |old(~a23~0)|))) (.cse8 (< |old(~a29~0)| 141)) (.cse17 (not (= 10 |old(~a25~0)|))) (.cse18 (and .cse27 .cse28 .cse30 (= ~a25~0 10))) (.cse9 (= 13 |old(~a25~0)|)) (.cse24 (<= |old(~a29~0)| 245)) (.cse1 (< 312 |old(~a23~0)|)) (.cse2 (< |old(~a25~0)| 12)) (.cse20 (< 277 |old(~a29~0)|)) (.cse13 (and .cse27 .cse28 .cse31 .cse32)) (.cse26 (< 138 |old(~a23~0)|)) (.cse23 (and .cse27 .cse28 .cse29 .cse30)) (.cse0 (not (= ~a3~0 1))) (.cse15 (not (= 9 |old(~a25~0)|))) (.cse3 (not (= |old(~a4~0)| 1))) (.cse4 (not (= ~a8~0 15)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse9 .cse0 .cse10 .cse11 .cse12 .cse4 .cse13) (or .cse14 .cse0 .cse15 .cse11 .cse12 .cse4) (or .cse16 .cse17 .cse0 .cse18 .cse3 .cse4) (or .cse9 .cse7 .cse0 .cse19 .cse10 .cse4 .cse13) (or .cse7 .cse16 .cse0 .cse10 .cse8 .cse3 .cse4 .cse5) (or .cse9 (<= 0 (+ 42 |old(~a23~0)|)) .cse0 .cse2 .cse8 .cse20 .cse4 .cse13) (or .cse0 .cse10 .cse8 .cse3 .cse4 (< 85 |old(~a23~0)|) .cse13) (or .cse16 .cse21 .cse0 .cse10 .cse22 .cse3 .cse4 .cse5) (or .cse23 .cse24 .cse0 .cse15 .cse20 .cse3 .cse4) (or .cse16 .cse21 .cse23 .cse0 .cse15 .cse8 .cse3 .cse4) (or .cse7 .cse23 .cse0 .cse1 .cse15 .cse3 .cse4) (or .cse16 .cse23 .cse0 .cse25 .cse15 .cse22 .cse3 .cse4) (or (and (or .cse16 .cse24 .cse0 .cse10 .cse20 .cse3 .cse4) (or .cse6 .cse16 .cse0 .cse3 .cse4)) .cse13) (or .cse14 .cse0 .cse15 .cse11 .cse22 .cse4) (or .cse0 .cse1 .cse25 .cse10 .cse22 .cse3 .cse4 .cse5) (or .cse26 .cse0 .cse10 .cse8 .cse20 .cse3 .cse4 .cse13) (or .cse24 .cse0 .cse2 .cse11 .cse20 .cse4 .cse13) (or .cse7 .cse0 .cse19 .cse2 .cse8 .cse4 .cse13) (or .cse17 .cse26 .cse18 .cse3) (or .cse9 .cse24 .cse0 .cse1 .cse2 .cse20 .cse4 .cse13) (or .cse26 .cse23 .cse0 .cse15 .cse3 .cse4)))) [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,017 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-04-01 22:22:44,018 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a3~0 1) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a8~0 15) (= ~a25~0 10) (<= 130 ~a29~0) (<= ~a29~0 130)) [2023-04-01 22:22:44,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:22:44,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:22:44,022 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:22:44,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:22:44,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:22:44 BoogieIcfgContainer [2023-04-01 22:22:44,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:22:44,044 INFO L158 Benchmark]: Toolchain (without parser) took 127816.89ms. Allocated memory was 264.2MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 218.7MB in the beginning and 992.0MB in the end (delta: -773.3MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-04-01 22:22:44,044 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 181.4MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:22:44,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.19ms. Allocated memory is still 264.2MB. Free memory was 218.7MB in the beginning and 173.0MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-04-01 22:22:44,045 INFO L158 Benchmark]: Boogie Preprocessor took 153.26ms. Allocated memory is still 264.2MB. Free memory was 173.0MB in the beginning and 165.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-04-01 22:22:44,045 INFO L158 Benchmark]: RCFGBuilder took 1531.86ms. Allocated memory is still 264.2MB. Free memory was 165.7MB in the beginning and 182.6MB in the end (delta: -16.9MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. [2023-04-01 22:22:44,045 INFO L158 Benchmark]: TraceAbstraction took 125509.05ms. Allocated memory was 264.2MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 182.1MB in the beginning and 992.0MB in the end (delta: -809.9MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-04-01 22:22:44,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 181.4MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 617.19ms. Allocated memory is still 264.2MB. Free memory was 218.7MB in the beginning and 173.0MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 153.26ms. Allocated memory is still 264.2MB. Free memory was 173.0MB in the beginning and 165.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1531.86ms. Allocated memory is still 264.2MB. Free memory was 165.7MB in the beginning and 182.6MB in the end (delta: -16.9MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. * TraceAbstraction took 125509.05ms. Allocated memory was 264.2MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 182.1MB in the beginning and 992.0MB in the end (delta: -809.9MB). Peak memory consumption was 1.7GB. 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: 139]: 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, 295 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 125.4s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 55.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18659 SdHoareTripleChecker+Valid, 27.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18626 mSDsluCounter, 3377 SdHoareTripleChecker+Invalid, 22.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1701 mSDsCounter, 5020 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33371 IncrementalHoareTripleChecker+Invalid, 38391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5020 mSolverCounterUnsat, 1676 mSDtfsCounter, 33371 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11363 GetRequests, 11051 SyntacticMatches, 14 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2045 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39207occurred in iteration=13, InterpolantAutomatonStates: 255, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 9788 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1195 PreInvPairs, 1475 NumberOfFragments, 1694 HoareAnnotationTreeSize, 1195 FomulaSimplifications, 320509 FormulaSimplificationTreeSizeReduction, 43.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 98776 FormulaSimplificationTreeSizeReductionInter, 11.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 23.2s InterpolantComputationTime, 12420 NumberOfCodeBlocks, 12420 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 17117 ConstructedInterpolants, 0 QuantifiedInterpolants, 46763 SizeOfPredicates, 24 NumberOfNonLiveVariables, 10164 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 39 InterpolantComputations, 8 PerfectInterpolantSequences, 25867/29322 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((!(a25 == 13) && a23 + 42 < 0) && a29 <= 245) && 12 <= a25) && 141 <= a29) || ((((260 <= a29 && 10 <= a25) && 307 <= a23) && a23 < 600062) && a4 == 1)) || ((((!(a25 == 13) && 245 < a29) && a29 <= 277) && 12 <= a25) && a23 <= 312)) || ((260 <= a29 && a23 + 43 <= 0) && a25 == 9)) || ((((260 <= a29 && 307 <= a23) && a23 < 600062) && a25 == 9) && a4 == 1)) || !(10 == \old(a25))) || \old(a23) < 312) || ((((10 <= a25 && 245 < a29) && a23 < 600062) && a4 == 1) && 312 <= a23)) || ((a23 + 43 <= 0 && 28470 + a29 <= 0) && a25 == 9)) || ((12 <= a25 && a4 == 1) && a23 <= 312)) || (((12 <= a25 && 141 <= a29) && a29 <= 220) && 119992 + a23 <= 0)) || (((!(a25 == 13) && 10 <= a25) && a29 <= 220) && 119992 + a23 <= 0)) || ((((\old(a25) <= 12 && a25 == 9) && a29 <= 220) && a4 == 1) && a23 <= 312)) || ((((10 <= a25 && 245 < a29) && a29 <= 277) && a4 == 1) && a23 <= \old(a23))) || !(a3 == 1)) || (((245 < a29 && a29 <= 277) && a25 == 9) && a4 == 1)) || (((\old(a25) <= 12 && a25 == 9) && a23 <= 138) && a4 == 1)) || (((a23 + 43 <= 0 && 245 < a29) && a29 <= 277) && 12 <= a25)) || (((!(a25 == 13) && a23 + 43 <= 0) && 10 <= a25) && 28470 + a29 <= 0)) || 312 < \old(a23)) || ((((10 <= a25 && a29 <= 277) && 141 <= a29) && a23 <= 138) && a4 == 1)) || ((a23 < 600062 && a4 == 1) && a25 == 10)) || ((((10 <= a25 && a23 < 600062) && 141 <= a29) && a29 <= 220) && a4 == 1)) || ((((a23 < 600062 && 141 <= a29) && a25 == 9) && a4 == 1) && 312 <= a23)) || !(\old(a4) == 1)) || !(a8 == 15)) || (((141 <= a29 && a29 <= 220) && a4 == 1) && 13 <= a25)) || \old(a29) < 130) || (((10 <= a25 && a23 <= 85) && 141 <= a29) && a4 == 1)) || ((a23 < 600062 && a4 == 1) && 13 <= a25)) || 130 < \old(a29) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:22:44,069 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...