/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/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:21:29,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:21:29,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:21:29,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:21:29,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:21:29,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:21:29,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:21:29,150 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 20:21:29,180 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:21:29,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:21:29,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:21:29,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:21:29,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:21:29,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:21:29,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:21:29,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:21:29,183 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:21:29,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:21:29,183 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:21:29,184 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:21:29,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:21:29,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:21:29,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:21:29,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:21:29,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:29,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:21:29,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:21:29,186 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:21:29,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:21:29,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:21:29,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:21:29,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:21:29,443 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:21:29,443 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:21:29,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label05.c [2023-04-01 20:21:30,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:21:30,839 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:21:30,840 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label05.c [2023-04-01 20:21:30,867 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786a60b9/176acc4f98184c60ac479c614a450b02/FLAGb3da92c43 [2023-04-01 20:21:30,879 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786a60b9/176acc4f98184c60ac479c614a450b02 [2023-04-01 20:21:30,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:21:30,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:21:30,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:30,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:21:30,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:21:30,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:30" (1/1) ... [2023-04-01 20:21:30,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9020f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:30, skipping insertion in model container [2023-04-01 20:21:30,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:30" (1/1) ... [2023-04-01 20:21:30,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:21:30,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:21:31,189 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/Problem02_label05.c[19738,19751] [2023-04-01 20:21:31,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:31,222 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:21:31,297 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/Problem02_label05.c[19738,19751] [2023-04-01 20:21:31,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:31,317 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:21:31,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31 WrapperNode [2023-04-01 20:21:31,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:31,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:21:31,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:21:31,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:21:31,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,407 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:21:31,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:21:31,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:21:31,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:21:31,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (1/1) ... [2023-04-01 20:21:31,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:31,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:31,452 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 20:21:31,454 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 20:21:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:21:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:21:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:21:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:21:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:21:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:21:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:21:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:21:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:21:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:21:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:21:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:21:31,587 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:21:31,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:21:32,524 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:21:32,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:21:32,536 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:21:32,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:21:32 BoogieIcfgContainer [2023-04-01 20:21:32,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:21:32,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:21:32,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:21:32,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:21:32,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:21:30" (1/3) ... [2023-04-01 20:21:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368b7188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:21:32, skipping insertion in model container [2023-04-01 20:21:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:31" (2/3) ... [2023-04-01 20:21:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368b7188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:21:32, skipping insertion in model container [2023-04-01 20:21:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:21:32" (3/3) ... [2023-04-01 20:21:32,545 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2023-04-01 20:21:32,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:21:32,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:21:32,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:21:32,630 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;@714b36d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:21:32,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:21:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 20:21:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 20:21:32,652 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:32,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:32,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:32,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:32,657 INFO L85 PathProgramCache]: Analyzing trace with hash 724748441, now seen corresponding path program 1 times [2023-04-01 20:21:32,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:32,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102927866] [2023-04-01 20:21:32,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:33,511 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 20:21:33,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:33,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102927866] [2023-04-01 20:21:33,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102927866] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:33,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:21:33,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:21:33,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445240115] [2023-04-01 20:21:33,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:33,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:21:33,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:33,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:21:33,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:21:33,562 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 20:21:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:34,747 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2023-04-01 20:21:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:21:34,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 132 [2023-04-01 20:21:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:34,767 INFO L225 Difference]: With dead ends: 671 [2023-04-01 20:21:34,767 INFO L226 Difference]: Without dead ends: 341 [2023-04-01 20:21:34,772 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 20:21:34,775 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 505 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:34,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 41 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 20:21:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-04-01 20:21:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2023-04-01 20:21:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 322 states have (on average 1.4565217391304348) internal successors, (469), 324 states have internal predecessors, (469), 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 20:21:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2023-04-01 20:21:34,837 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 132 [2023-04-01 20:21:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:34,838 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2023-04-01 20:21:34,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 20:21:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2023-04-01 20:21:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-01 20:21:34,842 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:34,842 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:34,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:21:34,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:34,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:34,843 INFO L85 PathProgramCache]: Analyzing trace with hash -839621043, now seen corresponding path program 1 times [2023-04-01 20:21:34,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:34,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777417271] [2023-04-01 20:21:34,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:35,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:35,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777417271] [2023-04-01 20:21:35,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777417271] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:35,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148074134] [2023-04-01 20:21:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:35,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:35,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:35,465 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 20:21:35,487 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 20:21:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:35,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:35,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:35,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:21:35,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148074134] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:35,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:21:35,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:21:35,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140714800] [2023-04-01 20:21:35,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:35,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:21:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:35,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:21:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:21:35,891 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 20:21:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:36,333 INFO L93 Difference]: Finished difference Result 951 states and 1399 transitions. [2023-04-01 20:21:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:21:36,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 140 [2023-04-01 20:21:36,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:36,338 INFO L225 Difference]: With dead ends: 951 [2023-04-01 20:21:36,339 INFO L226 Difference]: Without dead ends: 625 [2023-04-01 20:21:36,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:21:36,341 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 96 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:36,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 58 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 20:21:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-04-01 20:21:36,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 479. [2023-04-01 20:21:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 466 states have (on average 1.4742489270386265) internal successors, (687), 469 states have internal predecessors, (687), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-01 20:21:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 706 transitions. [2023-04-01 20:21:36,377 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 706 transitions. Word has length 140 [2023-04-01 20:21:36,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:36,377 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 706 transitions. [2023-04-01 20:21:36,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 20:21:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 706 transitions. [2023-04-01 20:21:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-01 20:21:36,380 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:36,380 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 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 20:21:36,398 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 20:21:36,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:36,598 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:36,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:36,598 INFO L85 PathProgramCache]: Analyzing trace with hash -338993369, now seen corresponding path program 1 times [2023-04-01 20:21:36,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:36,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798607612] [2023-04-01 20:21:36,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:36,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:36,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:36,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798607612] [2023-04-01 20:21:36,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798607612] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:36,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:21:36,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:21:36,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671601034] [2023-04-01 20:21:36,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:36,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:21:36,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:36,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:21:36,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:21:36,909 INFO L87 Difference]: Start difference. First operand 479 states and 706 transitions. Second operand has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 5 states have internal predecessors, (141), 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 20:21:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:38,281 INFO L93 Difference]: Finished difference Result 1722 states and 2619 transitions. [2023-04-01 20:21:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 20:21:38,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 5 states have internal predecessors, (141), 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 147 [2023-04-01 20:21:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:38,287 INFO L225 Difference]: With dead ends: 1722 [2023-04-01 20:21:38,288 INFO L226 Difference]: Without dead ends: 1249 [2023-04-01 20:21:38,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:21:38,290 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1099 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:38,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 105 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:21:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-04-01 20:21:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1086. [2023-04-01 20:21:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1056 states have (on average 1.4071969696969697) internal successors, (1486), 1068 states have internal predecessors, (1486), 9 states have call successors, (9), 9 states have call predecessors, (9), 20 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2023-04-01 20:21:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1555 transitions. [2023-04-01 20:21:38,338 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1555 transitions. Word has length 147 [2023-04-01 20:21:38,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:38,338 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1555 transitions. [2023-04-01 20:21:38,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 5 states have internal predecessors, (141), 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 20:21:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1555 transitions. [2023-04-01 20:21:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-01 20:21:38,343 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:38,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:38,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 20:21:38,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:38,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash -905988542, now seen corresponding path program 1 times [2023-04-01 20:21:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574280494] [2023-04-01 20:21:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:38,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:38,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574280494] [2023-04-01 20:21:38,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574280494] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910441377] [2023-04-01 20:21:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:38,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:38,914 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 20:21:38,926 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 20:21:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:39,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:39,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:39,214 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:21:39,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910441377] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:39,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:21:39,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:21:39,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517189960] [2023-04-01 20:21:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:39,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:21:39,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:39,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:21:39,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:21:39,220 INFO L87 Difference]: Start difference. First operand 1086 states and 1555 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 20:21:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:39,599 INFO L93 Difference]: Finished difference Result 3199 states and 4693 transitions. [2023-04-01 20:21:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:21:39,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 158 [2023-04-01 20:21:39,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:39,611 INFO L225 Difference]: With dead ends: 3199 [2023-04-01 20:21:39,611 INFO L226 Difference]: Without dead ends: 2119 [2023-04-01 20:21:39,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:21:39,616 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 26 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:39,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 129 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:21:39,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2023-04-01 20:21:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 1972. [2023-04-01 20:21:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1920 states have (on average 1.2604166666666667) internal successors, (2420), 1942 states have internal predecessors, (2420), 15 states have call successors, (15), 15 states have call predecessors, (15), 36 states have return successors, (143), 14 states have call predecessors, (143), 14 states have call successors, (143) [2023-04-01 20:21:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2578 transitions. [2023-04-01 20:21:39,691 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2578 transitions. Word has length 158 [2023-04-01 20:21:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:39,691 INFO L495 AbstractCegarLoop]: Abstraction has 1972 states and 2578 transitions. [2023-04-01 20:21:39,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 20:21:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2578 transitions. [2023-04-01 20:21:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-01 20:21:39,699 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:39,701 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:39,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 20:21:39,910 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 20:21:39,910 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:39,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:39,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1553376236, now seen corresponding path program 1 times [2023-04-01 20:21:39,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:39,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065149521] [2023-04-01 20:21:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:40,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:21:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:21:40,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:40,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065149521] [2023-04-01 20:21:40,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065149521] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:40,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056599322] [2023-04-01 20:21:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:40,124 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 20:21:40,148 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 20:21:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:40,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:40,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:40,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:21:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:40,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056599322] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:21:40,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:21:40,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:21:40,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673768352] [2023-04-01 20:21:40,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:21:40,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:21:40,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:40,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:21:40,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:21:40,455 INFO L87 Difference]: Start difference. First operand 1972 states and 2578 transitions. Second operand has 12 states, 12 states have (on average 18.333333333333332) internal successors, (220), 10 states have internal predecessors, (220), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:21:43,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:43,568 INFO L93 Difference]: Finished difference Result 8622 states and 13027 transitions. [2023-04-01 20:21:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 20:21:43,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.333333333333332) internal successors, (220), 10 states have internal predecessors, (220), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 171 [2023-04-01 20:21:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:43,607 INFO L225 Difference]: With dead ends: 8622 [2023-04-01 20:21:43,607 INFO L226 Difference]: Without dead ends: 6656 [2023-04-01 20:21:43,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-04-01 20:21:43,617 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 2132 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 2696 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 3281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 2696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:43,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 195 Invalid, 3281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 2696 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-01 20:21:43,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2023-04-01 20:21:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6248. [2023-04-01 20:21:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 6086 states have (on average 1.177785080512652) internal successors, (7168), 6159 states have internal predecessors, (7168), 45 states have call successors, (45), 44 states have call predecessors, (45), 116 states have return successors, (707), 44 states have call predecessors, (707), 44 states have call successors, (707) [2023-04-01 20:21:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 7920 transitions. [2023-04-01 20:21:43,823 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 7920 transitions. Word has length 171 [2023-04-01 20:21:43,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:43,824 INFO L495 AbstractCegarLoop]: Abstraction has 6248 states and 7920 transitions. [2023-04-01 20:21:43,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.333333333333332) internal successors, (220), 10 states have internal predecessors, (220), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:21:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 7920 transitions. [2023-04-01 20:21:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-01 20:21:43,839 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:43,839 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:43,849 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 20:21:44,046 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 20:21:44,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:44,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:44,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1537656673, now seen corresponding path program 1 times [2023-04-01 20:21:44,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:44,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104583214] [2023-04-01 20:21:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:44,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:21:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-01 20:21:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-01 20:21:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 20:21:44,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:44,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104583214] [2023-04-01 20:21:44,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104583214] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:44,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523178444] [2023-04-01 20:21:44,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:44,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:44,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:44,359 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 20:21:44,361 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 20:21:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:44,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:44,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:21:44,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:21:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-01 20:21:44,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523178444] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:21:44,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:21:44,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-04-01 20:21:44,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760454980] [2023-04-01 20:21:44,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:21:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:21:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:21:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:21:44,694 INFO L87 Difference]: Start difference. First operand 6248 states and 7920 transitions. Second operand has 11 states, 11 states have (on average 22.0) internal successors, (242), 9 states have internal predecessors, (242), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:21:45,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:45,740 INFO L93 Difference]: Finished difference Result 11950 states and 15044 transitions. [2023-04-01 20:21:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:21:45,742 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.0) internal successors, (242), 9 states have internal predecessors, (242), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 220 [2023-04-01 20:21:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:45,768 INFO L225 Difference]: With dead ends: 11950 [2023-04-01 20:21:45,769 INFO L226 Difference]: Without dead ends: 6089 [2023-04-01 20:21:45,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 448 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:21:45,783 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 990 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:45,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 83 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:21:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2023-04-01 20:21:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 5938. [2023-04-01 20:21:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5938 states, 5790 states have (on average 1.1179620034542315) internal successors, (6473), 5853 states have internal predecessors, (6473), 43 states have call successors, (43), 42 states have call predecessors, (43), 104 states have return successors, (509), 42 states have call predecessors, (509), 42 states have call successors, (509) [2023-04-01 20:21:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 7025 transitions. [2023-04-01 20:21:45,964 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 7025 transitions. Word has length 220 [2023-04-01 20:21:45,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:45,966 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 7025 transitions. [2023-04-01 20:21:45,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.0) internal successors, (242), 9 states have internal predecessors, (242), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:21:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 7025 transitions. [2023-04-01 20:21:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-01 20:21:45,983 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:45,983 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:45,992 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 20:21:46,190 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 20:21:46,190 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:46,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:46,191 INFO L85 PathProgramCache]: Analyzing trace with hash -931531993, now seen corresponding path program 1 times [2023-04-01 20:21:46,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:46,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404408794] [2023-04-01 20:21:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:46,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:21:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-01 20:21:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:21:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-01 20:21:46,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:46,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404408794] [2023-04-01 20:21:46,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404408794] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:46,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951028530] [2023-04-01 20:21:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:46,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:46,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:46,416 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 20:21:46,419 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 20:21:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:46,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:46,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:21:46,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:21:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:21:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951028530] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:21:46,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:21:46,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:21:46,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240984420] [2023-04-01 20:21:46,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:21:46,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:21:46,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:46,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:21:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:21:46,764 INFO L87 Difference]: Start difference. First operand 5938 states and 7025 transitions. Second operand has 12 states, 12 states have (on average 20.666666666666668) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:21:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:49,625 INFO L93 Difference]: Finished difference Result 13091 states and 15510 transitions. [2023-04-01 20:21:49,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-01 20:21:49,625 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 20.666666666666668) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 224 [2023-04-01 20:21:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:49,652 INFO L225 Difference]: With dead ends: 13091 [2023-04-01 20:21:49,652 INFO L226 Difference]: Without dead ends: 6857 [2023-04-01 20:21:49,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 479 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=344, Invalid=1462, Unknown=0, NotChecked=0, Total=1806 [2023-04-01 20:21:49,668 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1385 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 3916 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 4222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 3916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:49,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 192 Invalid, 4222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 3916 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 20:21:49,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6857 states. [2023-04-01 20:21:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6857 to 6690. [2023-04-01 20:21:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6690 states, 6517 states have (on average 1.0771827528003683) internal successors, (7020), 6595 states have internal predecessors, (7020), 48 states have call successors, (48), 47 states have call predecessors, (48), 124 states have return successors, (471), 47 states have call predecessors, (471), 47 states have call successors, (471) [2023-04-01 20:21:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 7539 transitions. [2023-04-01 20:21:49,863 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 7539 transitions. Word has length 224 [2023-04-01 20:21:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:49,863 INFO L495 AbstractCegarLoop]: Abstraction has 6690 states and 7539 transitions. [2023-04-01 20:21:49,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 20.666666666666668) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:21:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 7539 transitions. [2023-04-01 20:21:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-04-01 20:21:49,881 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:49,881 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:49,889 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 20:21:50,088 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 20:21:50,088 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:50,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1860015698, now seen corresponding path program 1 times [2023-04-01 20:21:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:50,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940821176] [2023-04-01 20:21:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-01 20:21:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-01 20:21:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-01 20:21:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 20:21:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 145 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-01 20:21:50,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:50,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940821176] [2023-04-01 20:21:50,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940821176] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:50,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860970669] [2023-04-01 20:21:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:50,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:50,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:50,569 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 20:21:50,590 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 20:21:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:50,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:50,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-04-01 20:21:50,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:21:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 158 proven. 18 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-04-01 20:21:50,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860970669] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:21:50,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:21:50,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-04-01 20:21:50,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719544802] [2023-04-01 20:21:50,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:21:50,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 20:21:50,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:50,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 20:21:50,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:21:50,884 INFO L87 Difference]: Start difference. First operand 6690 states and 7539 transitions. Second operand has 13 states, 13 states have (on average 17.076923076923077) internal successors, (222), 11 states have internal predecessors, (222), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 20:21:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:51,729 INFO L93 Difference]: Finished difference Result 10904 states and 12345 transitions. [2023-04-01 20:21:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:21:51,730 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.076923076923077) internal successors, (222), 11 states have internal predecessors, (222), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 272 [2023-04-01 20:21:51,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:51,745 INFO L225 Difference]: With dead ends: 10904 [2023-04-01 20:21:51,745 INFO L226 Difference]: Without dead ends: 4352 [2023-04-01 20:21:51,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 555 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-04-01 20:21:51,758 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1293 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:51,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 58 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:21:51,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2023-04-01 20:21:51,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 3718. [2023-04-01 20:21:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 3621 states have (on average 1.0510908588787629) internal successors, (3806), 3664 states have internal predecessors, (3806), 27 states have call successors, (27), 27 states have call predecessors, (27), 69 states have return successors, (171), 26 states have call predecessors, (171), 26 states have call successors, (171) [2023-04-01 20:21:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4004 transitions. [2023-04-01 20:21:51,850 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4004 transitions. Word has length 272 [2023-04-01 20:21:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:51,851 INFO L495 AbstractCegarLoop]: Abstraction has 3718 states and 4004 transitions. [2023-04-01 20:21:51,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.076923076923077) internal successors, (222), 11 states have internal predecessors, (222), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 20:21:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4004 transitions. [2023-04-01 20:21:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-04-01 20:21:51,861 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:51,861 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-04-01 20:21:51,871 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 20:21:52,071 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 20:21:52,071 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:52,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:52,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1630539618, now seen corresponding path program 1 times [2023-04-01 20:21:52,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:52,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819341791] [2023-04-01 20:21:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:21:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:21:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-01 20:21:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 20:21:52,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:52,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819341791] [2023-04-01 20:21:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819341791] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:21:52,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258019939] [2023-04-01 20:21:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:52,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:21:52,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:52,418 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 20:21:52,421 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 20:21:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:52,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:21:52,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:21:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-04-01 20:21:52,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:21:52,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258019939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:52,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:21:52,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 20:21:52,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777859567] [2023-04-01 20:21:52,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:52,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:21:52,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:21:52,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:21:52,683 INFO L87 Difference]: Start difference. First operand 3718 states and 4004 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 20:21:52,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:52,994 INFO L93 Difference]: Finished difference Result 5228 states and 5614 transitions. [2023-04-01 20:21:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:21:52,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 286 [2023-04-01 20:21:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:52,996 INFO L225 Difference]: With dead ends: 5228 [2023-04-01 20:21:52,996 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:21:53,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 292 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 20:21:53,008 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 33 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:53,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 43 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:21:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:21:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:21:53,009 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 20:21:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:21:53,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2023-04-01 20:21:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:53,010 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:21:53,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 20:21:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:21:53,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:21:53,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:21:53,023 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 20:21:53,220 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 20:21:53,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:21:56,339 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:21:56,339 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:21:56,339 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:21:56,339 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:21:56,340 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (<= 10 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse9 (<= ~a28~0 9)) (.cse4 (= ~a25~0 0)) (.cse2 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a28~0 10)) (.cse8 (not (= ~a11~0 1)))) (or (and .cse0 (<= ~a11~0 0) .cse1 .cse2) (< 0 |old(~a11~0)|) (and .cse0 .cse3 .cse1 .cse4) (< 7 |old(~a28~0)|) (and .cse5 .cse4 .cse6) (and .cse5 .cse7 .cse2 .cse8) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse5 (<= ~a28~0 8) .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse7 .cse9 .cse3) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse9 .cse2 .cse4) (and .cse7 .cse2 .cse8 .cse6) (and .cse5 .cse7 .cse1 .cse8))) [2023-04-01 20:21:56,340 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-04-01 20:21:56,340 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-01 20:21:56,340 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-04-01 20:21:56,341 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= 10 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse9 (<= ~a28~0 9)) (.cse4 (= ~a25~0 0)) (.cse2 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a28~0 10)) (.cse8 (not (= ~a11~0 1)))) (or (and .cse0 (<= ~a11~0 0) .cse1 .cse2) (< 0 |old(~a11~0)|) (and .cse0 .cse3 .cse1 .cse4) (< 7 |old(~a28~0)|) (and .cse5 .cse4 .cse6) (and .cse5 .cse7 .cse2 .cse8) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse5 (<= ~a28~0 8) .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse7 .cse9 .cse3) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse9 .cse2 .cse4) (and .cse7 .cse2 .cse8 .cse6) (and .cse5 .cse7 .cse1 .cse8))) [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:21:56,341 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-04-01 20:21:56,341 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-01 20:21:56,342 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-01 20:21:56,343 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-04-01 20:21:56,344 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 20:21:56,349 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:21:56,350 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-04-01 20:21:56,351 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:21:56,351 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:21:56,351 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-04-01 20:21:56,351 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-04-01 20:21:56,351 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-04-01 20:21:56,352 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-04-01 20:21:56,353 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:21:56,353 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:21:56,353 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:21:56,354 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:21:56,355 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-04-01 20:21:56,356 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-04-01 20:21:56,357 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,358 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 20:21:56,359 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse4 (= ~a17~0 8)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse19 (= ~a25~0 0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a19~0 1)) (.cse8 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (and .cse5 .cse14 .cse6 .cse7 .cse8)) (.cse2 (< |old(~a28~0)| 10)) (.cse15 (< 8 |old(~a17~0)|)) (.cse13 (= ~a25~0 1)) (.cse9 (not (= |old(~a25~0)| 1))) (.cse10 (= |old(~a11~0)| 1)) (.cse1 (not (= |old(~a19~0)| 1))) (.cse3 (< 10 |old(~a28~0)|)) (.cse12 (< 7 |old(~a28~0)|)) (.cse18 (and .cse4 .cse5 .cse16 .cse6 .cse19)) (.cse17 (not (= 0 |old(~a25~0)|))) (.cse11 (not (= 8 |old(~a17~0)|)))) (and (or (< |old(~a17~0)| 8) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 .cse1 .cse11) (or .cse9 .cse12 .cse10 .cse1 (and .cse5 .cse13 .cse14 .cse6 .cse7)) (or .cse15 (and .cse5 .cse16 .cse14 .cse6 .cse8) .cse17 .cse2 .cse3) (or (< 0 |old(~a11~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse15 .cse9 (and .cse5 .cse13 .cse16 .cse14 .cse6) (< 9 |old(~a28~0)|)) (or (and .cse4 .cse5 .cse13 .cse16 .cse6) .cse9 .cse10 .cse11 .cse3) (or .cse18 (< 8 |old(~a28~0)|) .cse10 .cse17 .cse11) (or .cse1 .cse17 .cse11 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse19)) (or .cse12 .cse18 .cse17 .cse11)))) [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,360 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,361 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:21:56,362 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-04-01 20:21:56,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:21:56,363 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:21:56,365 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:21:56,367 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:21:56,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:21:56 BoogieIcfgContainer [2023-04-01 20:21:56,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:21:56,382 INFO L158 Benchmark]: Toolchain (without parser) took 25499.37ms. Allocated memory was 225.4MB in the beginning and 468.7MB in the end (delta: 243.3MB). Free memory was 175.9MB in the beginning and 203.6MB in the end (delta: -27.7MB). Peak memory consumption was 277.2MB. Max. memory is 8.0GB. [2023-04-01 20:21:56,383 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:21:56,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.73ms. Allocated memory is still 225.4MB. Free memory was 175.4MB in the beginning and 149.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-04-01 20:21:56,383 INFO L158 Benchmark]: Boogie Preprocessor took 101.03ms. Allocated memory is still 225.4MB. Free memory was 149.2MB in the beginning and 144.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 20:21:56,383 INFO L158 Benchmark]: RCFGBuilder took 1117.88ms. Allocated memory is still 225.4MB. Free memory was 144.5MB in the beginning and 137.5MB in the end (delta: 7.0MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2023-04-01 20:21:56,384 INFO L158 Benchmark]: TraceAbstraction took 23841.47ms. Allocated memory was 225.4MB in the beginning and 468.7MB in the end (delta: 243.3MB). Free memory was 136.4MB in the beginning and 203.6MB in the end (delta: -67.2MB). Peak memory consumption was 236.6MB. Max. memory is 8.0GB. [2023-04-01 20:21:56,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.73ms. Allocated memory is still 225.4MB. Free memory was 175.4MB in the beginning and 149.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 101.03ms. Allocated memory is still 225.4MB. Free memory was 149.2MB in the beginning and 144.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1117.88ms. Allocated memory is still 225.4MB. Free memory was 144.5MB in the beginning and 137.5MB in the end (delta: 7.0MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. * TraceAbstraction took 23841.47ms. Allocated memory was 225.4MB in the beginning and 468.7MB in the end (delta: 243.3MB). Free memory was 136.4MB in the beginning and 203.6MB in the end (delta: -67.2MB). Peak memory consumption was 236.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 560]: 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, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7578 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7559 mSDsluCounter, 904 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 1540 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11526 IncrementalHoareTripleChecker+Invalid, 13066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1540 mSolverCounterUnsat, 350 mSDtfsCounter, 11526 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2581 GetRequests, 2437 SyntacticMatches, 5 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6690occurred in iteration=7, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1825 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 193 PreInvPairs, 265 NumberOfFragments, 707 HoareAnnotationTreeSize, 193 FomulaSimplifications, 19904 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3221 NumberOfCodeBlocks, 3221 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4088 ConstructedInterpolants, 0 QuantifiedInterpolants, 10266 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3685 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 2372/2561 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: 616]: Loop Invariant Derived loop invariant: ((((((((((((((((10 <= a28 && a11 <= 0) && a28 <= 10) && a19 == 1) || 0 < \old(a11)) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && a25 == 0)) || 7 < \old(a28)) || ((a17 == 8 && a25 == 0) && a28 <= 7)) || (((a17 == 8 && a25 == 1) && a19 == 1) && !(a11 == 1))) || (((10 <= a28 && 8 <= a17) && a28 <= 10) && a19 == 1)) || (((a17 == 8 && a28 <= 8) && !(a11 == 1)) && a25 == 0)) || !(\old(a19) == 1)) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || !(0 == \old(a25))) || !(8 == \old(a17))) || (((a17 == 8 && a28 <= 9) && a19 == 1) && a25 == 0)) || (((a25 == 1 && a19 == 1) && !(a11 == 1)) && a28 <= 7)) || (((a17 == 8 && a25 == 1) && a28 <= 10) && !(a11 == 1)) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:21:56,409 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...