/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:14:50,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:14:50,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:14:51,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 23:14:51,056 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 [2023-03-30 23:14:51,087 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:14:51,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:14:51,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:14:51,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:14:51,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:14:51,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:14:51,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:14:51,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:14:51,090 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:14:51,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:14:51,091 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:14:51,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:14:51,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:14:51,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:14:51,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:14:51,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:14:51,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:14:51,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:14:51,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:14:51,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:14:51,094 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:14:51,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:14:51,094 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:14:51,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:14:51,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:14:51,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:14:51,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:14:51,322 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:14:51,322 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:14:51,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2023-03-30 23:14:52,448 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:14:52,723 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:14:52,724 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2023-03-30 23:14:52,732 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1515cb8/4348b1bd9deb46898947d00bdba1f60d/FLAG6c9fe97ad [2023-03-30 23:14:52,744 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1515cb8/4348b1bd9deb46898947d00bdba1f60d [2023-03-30 23:14:52,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:14:52,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:14:52,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:14:52,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:14:52,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:14:52,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:14:52" (1/1) ... [2023-03-30 23:14:52,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555eacce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:52, skipping insertion in model container [2023-03-30 23:14:52,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:14:52" (1/1) ... [2023-03-30 23:14:52,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:14:52,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:14:52,952 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2023-03-30 23:14:53,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:14:53,083 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:14:53,103 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2023-03-30 23:14:53,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:14:53,206 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:14:53,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53 WrapperNode [2023-03-30 23:14:53,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:14:53,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:14:53,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:14:53,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:14:53,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:14:53,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:14:53,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:14:53,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:14:53,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (1/1) ... [2023-03-30 23:14:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:14:53,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:53,346 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) [2023-03-30 23:14:53,362 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 [2023-03-30 23:14:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:14:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:14:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:14:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:14:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:14:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:14:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:14:53,476 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:14:53,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:14:54,436 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:14:54,447 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:14:54,447 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:14:54,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:14:54 BoogieIcfgContainer [2023-03-30 23:14:54,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:14:54,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:14:54,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:14:54,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:14:54,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:14:52" (1/3) ... [2023-03-30 23:14:54,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e778801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:14:54, skipping insertion in model container [2023-03-30 23:14:54,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:53" (2/3) ... [2023-03-30 23:14:54,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e778801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:14:54, skipping insertion in model container [2023-03-30 23:14:54,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:14:54" (3/3) ... [2023-03-30 23:14:54,458 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2023-03-30 23:14:54,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:14:54,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:14:54,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:14:54,538 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;@74ece766, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:14:54,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:14:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 23:14:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-03-30 23:14:54,547 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:54,548 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] [2023-03-30 23:14:54,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:54,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:54,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1808162919, now seen corresponding path program 1 times [2023-03-30 23:14:54,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:54,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514188127] [2023-03-30 23:14:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:54,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:54,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:54,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514188127] [2023-03-30 23:14:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514188127] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:54,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:14:54,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-30 23:14:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135686206] [2023-03-30 23:14:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:54,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 23:14:54,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:55,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 23:14:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-30 23:14:55,033 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-03-30 23:14:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:56,452 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2023-03-30 23:14:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 23:14:56,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 28 [2023-03-30 23:14:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:56,466 INFO L225 Difference]: With dead ends: 730 [2023-03-30 23:14:56,466 INFO L226 Difference]: Without dead ends: 447 [2023-03-30 23:14:56,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:14:56,477 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 678 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:56,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 38 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 23:14:56,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-03-30 23:14:56,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2023-03-30 23:14:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 429 states have (on average 1.5268065268065267) internal successors, (655), 431 states have internal predecessors, (655), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-30 23:14:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2023-03-30 23:14:56,556 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 28 [2023-03-30 23:14:56,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:56,557 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2023-03-30 23:14:56,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-03-30 23:14:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2023-03-30 23:14:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-03-30 23:14:56,560 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:56,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:56,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 23:14:56,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:56,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:56,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2140656197, now seen corresponding path program 1 times [2023-03-30 23:14:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654802150] [2023-03-30 23:14:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:57,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654802150] [2023-03-30 23:14:57,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654802150] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:57,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:14:57,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:14:57,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188048335] [2023-03-30 23:14:57,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:57,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:14:57,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:57,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:14:57,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:14:57,030 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 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) [2023-03-30 23:14:57,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:57,925 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2023-03-30 23:14:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 23:14:57,926 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 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 101 [2023-03-30 23:14:57,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:57,930 INFO L225 Difference]: With dead ends: 1041 [2023-03-30 23:14:57,930 INFO L226 Difference]: Without dead ends: 606 [2023-03-30 23:14:57,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:14:57,932 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 732 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:57,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 42 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 23:14:57,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-03-30 23:14:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2023-03-30 23:14:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 574 states have (on average 1.3937282229965158) internal successors, (800), 580 states have internal predecessors, (800), 6 states have call successors, (6), 6 states have call predecessors, (6), 11 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-03-30 23:14:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2023-03-30 23:14:57,971 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 101 [2023-03-30 23:14:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:57,971 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2023-03-30 23:14:57,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 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) [2023-03-30 23:14:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2023-03-30 23:14:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-03-30 23:14:57,975 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:57,975 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:57,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 23:14:57,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:57,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:57,976 INFO L85 PathProgramCache]: Analyzing trace with hash 463133017, now seen corresponding path program 1 times [2023-03-30 23:14:57,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:57,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410261973] [2023-03-30 23:14:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:57,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:58,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:58,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410261973] [2023-03-30 23:14:58,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410261973] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:14:58,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046849980] [2023-03-30 23:14:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:58,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:58,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:58,153 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) [2023-03-30 23:14:58,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 23:14:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:58,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:14:58,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:14:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:58,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:14:58,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046849980] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:58,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:14:58,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-03-30 23:14:58,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776868077] [2023-03-30 23:14:58,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:58,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:14:58,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:58,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:14:58,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:14:58,318 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-03-30 23:14:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:58,778 INFO L93 Difference]: Finished difference Result 1615 states and 2274 transitions. [2023-03-30 23:14:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:14:58,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 107 [2023-03-30 23:14:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:58,783 INFO L225 Difference]: With dead ends: 1615 [2023-03-30 23:14:58,784 INFO L226 Difference]: Without dead ends: 1029 [2023-03-30 23:14:58,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:14:58,786 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 141 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:58,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 57 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:14:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2023-03-30 23:14:58,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886. [2023-03-30 23:14:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 860 states have (on average 1.2744186046511627) internal successors, (1096), 870 states have internal predecessors, (1096), 8 states have call successors, (8), 8 states have call predecessors, (8), 17 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2023-03-30 23:14:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1150 transitions. [2023-03-30 23:14:58,834 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1150 transitions. Word has length 107 [2023-03-30 23:14:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:58,835 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1150 transitions. [2023-03-30 23:14:58,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-03-30 23:14:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1150 transitions. [2023-03-30 23:14:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-03-30 23:14:58,849 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:58,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:58,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 23:14:59,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:59,057 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:59,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 416620952, now seen corresponding path program 1 times [2023-03-30 23:14:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:59,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446659091] [2023-03-30 23:14:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:59,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:59,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446659091] [2023-03-30 23:14:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446659091] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:59,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:14:59,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 23:14:59,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625915600] [2023-03-30 23:14:59,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:59,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 23:14:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 23:14:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:14:59,409 INFO L87 Difference]: Start difference. First operand 886 states and 1150 transitions. Second operand has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 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) [2023-03-30 23:15:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:00,213 INFO L93 Difference]: Finished difference Result 2245 states and 2959 transitions. [2023-03-30 23:15:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-30 23:15:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 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 164 [2023-03-30 23:15:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:00,220 INFO L225 Difference]: With dead ends: 2245 [2023-03-30 23:15:00,220 INFO L226 Difference]: Without dead ends: 1365 [2023-03-30 23:15:00,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 23:15:00,222 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 772 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:00,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 46 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 23:15:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2023-03-30 23:15:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1057. [2023-03-30 23:15:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1015 states have (on average 1.2423645320197045) internal successors, (1261), 1039 states have internal predecessors, (1261), 9 states have call successors, (9), 9 states have call predecessors, (9), 32 states have return successors, (89), 8 states have call predecessors, (89), 8 states have call successors, (89) [2023-03-30 23:15:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1359 transitions. [2023-03-30 23:15:00,255 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1359 transitions. Word has length 164 [2023-03-30 23:15:00,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:00,255 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1359 transitions. [2023-03-30 23:15:00,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 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) [2023-03-30 23:15:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1359 transitions. [2023-03-30 23:15:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-30 23:15:00,260 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:00,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:00,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 23:15:00,261 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:00,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1858320311, now seen corresponding path program 1 times [2023-03-30 23:15:00,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:00,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723798940] [2023-03-30 23:15:00,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:00,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:15:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:15:00,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723798940] [2023-03-30 23:15:00,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723798940] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365078688] [2023-03-30 23:15:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:00,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:00,577 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) [2023-03-30 23:15:00,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 23:15:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:00,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:00,863 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:01,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365078688] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:01,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:01,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-03-30 23:15:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412123779] [2023-03-30 23:15:01,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:01,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 23:15:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:01,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 23:15:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:15:01,224 INFO L87 Difference]: Start difference. First operand 1057 states and 1359 transitions. Second operand has 13 states, 13 states have (on average 27.846153846153847) internal successors, (362), 11 states have internal predecessors, (362), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 23:15:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:03,114 INFO L93 Difference]: Finished difference Result 2877 states and 3891 transitions. [2023-03-30 23:15:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-03-30 23:15:03,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 27.846153846153847) internal successors, (362), 11 states have internal predecessors, (362), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 188 [2023-03-30 23:15:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:03,124 INFO L225 Difference]: With dead ends: 2877 [2023-03-30 23:15:03,124 INFO L226 Difference]: Without dead ends: 1826 [2023-03-30 23:15:03,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-03-30 23:15:03,128 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1287 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:03,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 95 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-03-30 23:15:03,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2023-03-30 23:15:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1365. [2023-03-30 23:15:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1365 states, 1308 states have (on average 1.1964831804281346) internal successors, (1565), 1343 states have internal predecessors, (1565), 11 states have call successors, (11), 11 states have call predecessors, (11), 45 states have return successors, (131), 10 states have call predecessors, (131), 10 states have call successors, (131) [2023-03-30 23:15:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1707 transitions. [2023-03-30 23:15:03,179 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1707 transitions. Word has length 188 [2023-03-30 23:15:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:03,179 INFO L495 AbstractCegarLoop]: Abstraction has 1365 states and 1707 transitions. [2023-03-30 23:15:03,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 27.846153846153847) internal successors, (362), 11 states have internal predecessors, (362), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 23:15:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1707 transitions. [2023-03-30 23:15:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-03-30 23:15:03,183 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:03,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:03,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:03,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:03,393 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:03,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:03,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1857054652, now seen corresponding path program 1 times [2023-03-30 23:15:03,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:03,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019911830] [2023-03-30 23:15:03,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-30 23:15:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 42 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 23:15:04,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:04,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019911830] [2023-03-30 23:15:04,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019911830] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:04,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512773388] [2023-03-30 23:15:04,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:04,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:04,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:04,186 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) [2023-03-30 23:15:04,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 23:15:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:04,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:04,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-03-30 23:15:04,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:15:04,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512773388] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:04,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:15:04,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 23:15:04,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527357977] [2023-03-30 23:15:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:04,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:15:04,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:04,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:15:04,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:15:04,339 INFO L87 Difference]: Start difference. First operand 1365 states and 1707 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-03-30 23:15:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:04,727 INFO L93 Difference]: Finished difference Result 2724 states and 3414 transitions. [2023-03-30 23:15:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:15:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 205 [2023-03-30 23:15:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:04,733 INFO L225 Difference]: With dead ends: 2724 [2023-03-30 23:15:04,733 INFO L226 Difference]: Without dead ends: 1365 [2023-03-30 23:15:04,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:15:04,737 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 123 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:04,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 239 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:15:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2023-03-30 23:15:04,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1212. [2023-03-30 23:15:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1162 states have (on average 1.1471600688468158) internal successors, (1333), 1192 states have internal predecessors, (1333), 10 states have call successors, (10), 10 states have call predecessors, (10), 39 states have return successors, (87), 9 states have call predecessors, (87), 9 states have call successors, (87) [2023-03-30 23:15:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1430 transitions. [2023-03-30 23:15:04,774 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1430 transitions. Word has length 205 [2023-03-30 23:15:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:04,774 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 1430 transitions. [2023-03-30 23:15:04,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-03-30 23:15:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1430 transitions. [2023-03-30 23:15:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-03-30 23:15:04,778 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:04,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:04,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:04,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:04,999 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:04,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:04,999 INFO L85 PathProgramCache]: Analyzing trace with hash -335446788, now seen corresponding path program 1 times [2023-03-30 23:15:04,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:05,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244933774] [2023-03-30 23:15:05,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:05,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-03-30 23:15:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 23:15:05,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:05,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244933774] [2023-03-30 23:15:05,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244933774] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:05,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904176832] [2023-03-30 23:15:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:05,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:05,765 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) [2023-03-30 23:15:05,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 23:15:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:05,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:05,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:06,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:06,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904176832] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:06,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:06,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2023-03-30 23:15:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165095779] [2023-03-30 23:15:06,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:06,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 23:15:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:06,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 23:15:06,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:15:06,477 INFO L87 Difference]: Start difference. First operand 1212 states and 1430 transitions. Second operand has 13 states, 13 states have (on average 39.0) internal successors, (507), 11 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-03-30 23:15:08,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:08,777 INFO L93 Difference]: Finished difference Result 2816 states and 3388 transitions. [2023-03-30 23:15:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-03-30 23:15:08,780 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 39.0) internal successors, (507), 11 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 241 [2023-03-30 23:15:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:08,787 INFO L225 Difference]: With dead ends: 2816 [2023-03-30 23:15:08,788 INFO L226 Difference]: Without dead ends: 1610 [2023-03-30 23:15:08,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2023-03-30 23:15:08,791 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2215 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 2765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:08,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 115 Invalid, 2765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-03-30 23:15:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2023-03-30 23:15:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1502. [2023-03-30 23:15:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1446 states have (on average 1.11134163208852) internal successors, (1607), 1478 states have internal predecessors, (1607), 12 states have call successors, (12), 12 states have call predecessors, (12), 43 states have return successors, (88), 11 states have call predecessors, (88), 11 states have call successors, (88) [2023-03-30 23:15:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1707 transitions. [2023-03-30 23:15:08,836 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1707 transitions. Word has length 241 [2023-03-30 23:15:08,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:08,837 INFO L495 AbstractCegarLoop]: Abstraction has 1502 states and 1707 transitions. [2023-03-30 23:15:08,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 39.0) internal successors, (507), 11 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-03-30 23:15:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1707 transitions. [2023-03-30 23:15:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-03-30 23:15:08,841 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:08,841 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:08,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:09,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:09,047 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:09,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:09,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2112133976, now seen corresponding path program 1 times [2023-03-30 23:15:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:09,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796655461] [2023-03-30 23:15:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-30 23:15:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:15:09,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:09,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796655461] [2023-03-30 23:15:09,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796655461] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:09,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460638138] [2023-03-30 23:15:09,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:09,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:09,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:09,609 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) [2023-03-30 23:15:09,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 23:15:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:09,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:09,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:10,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460638138] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:10,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:10,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-03-30 23:15:10,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260133221] [2023-03-30 23:15:10,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:10,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 23:15:10,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 23:15:10,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-03-30 23:15:10,282 INFO L87 Difference]: Start difference. First operand 1502 states and 1707 transitions. Second operand has 12 states, 12 states have (on average 42.25) internal successors, (507), 10 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:15:11,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:11,908 INFO L93 Difference]: Finished difference Result 4454 states and 5083 transitions. [2023-03-30 23:15:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-30 23:15:11,908 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 42.25) internal successors, (507), 10 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 243 [2023-03-30 23:15:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:11,915 INFO L225 Difference]: With dead ends: 4454 [2023-03-30 23:15:11,916 INFO L226 Difference]: Without dead ends: 1929 [2023-03-30 23:15:11,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 492 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-03-30 23:15:11,922 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1323 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:11,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 54 Invalid, 2076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-03-30 23:15:11,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2023-03-30 23:15:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1490. [2023-03-30 23:15:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1440 states have (on average 1.0875) internal successors, (1566), 1466 states have internal predecessors, (1566), 12 states have call successors, (12), 12 states have call predecessors, (12), 37 states have return successors, (75), 11 states have call predecessors, (75), 11 states have call successors, (75) [2023-03-30 23:15:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1653 transitions. [2023-03-30 23:15:11,965 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1653 transitions. Word has length 243 [2023-03-30 23:15:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:11,966 INFO L495 AbstractCegarLoop]: Abstraction has 1490 states and 1653 transitions. [2023-03-30 23:15:11,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 42.25) internal successors, (507), 10 states have internal predecessors, (507), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:15:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1653 transitions. [2023-03-30 23:15:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-03-30 23:15:11,970 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:11,971 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:11,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:12,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:12,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:12,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash -431266352, now seen corresponding path program 1 times [2023-03-30 23:15:12,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:12,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148328680] [2023-03-30 23:15:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:12,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:15:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-03-30 23:15:13,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:13,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148328680] [2023-03-30 23:15:13,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148328680] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:13,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595146639] [2023-03-30 23:15:13,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:13,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:13,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:13,297 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) [2023-03-30 23:15:13,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 23:15:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:13,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-30 23:15:13,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-03-30 23:15:13,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:15:13,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595146639] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:13,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:15:13,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2023-03-30 23:15:13,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271714253] [2023-03-30 23:15:13,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:13,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:15:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:13,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:15:13,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-03-30 23:15:13,493 INFO L87 Difference]: Start difference. First operand 1490 states and 1653 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:13,892 INFO L93 Difference]: Finished difference Result 3407 states and 3826 transitions. [2023-03-30 23:15:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:15:13,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 279 [2023-03-30 23:15:13,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:13,902 INFO L225 Difference]: With dead ends: 3407 [2023-03-30 23:15:13,903 INFO L226 Difference]: Without dead ends: 1921 [2023-03-30 23:15:13,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-03-30 23:15:13,908 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 120 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:13,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 235 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:15:13,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2023-03-30 23:15:13,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1921. [2023-03-30 23:15:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1864 states have (on average 1.0777896995708154) internal successors, (2009), 1891 states have internal predecessors, (2009), 15 states have call successors, (15), 15 states have call predecessors, (15), 41 states have return successors, (91), 14 states have call predecessors, (91), 14 states have call successors, (91) [2023-03-30 23:15:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2115 transitions. [2023-03-30 23:15:13,959 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2115 transitions. Word has length 279 [2023-03-30 23:15:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:13,959 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 2115 transitions. [2023-03-30 23:15:13,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2115 transitions. [2023-03-30 23:15:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-03-30 23:15:13,965 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:13,965 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:13,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:14,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:14,172 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:14,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:14,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1204708718, now seen corresponding path program 1 times [2023-03-30 23:15:14,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:14,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286720480] [2023-03-30 23:15:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:14,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:15:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-03-30 23:15:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-03-30 23:15:14,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286720480] [2023-03-30 23:15:14,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286720480] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600823083] [2023-03-30 23:15:14,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:14,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:14,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:14,535 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) [2023-03-30 23:15:14,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-30 23:15:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:14,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-30 23:15:14,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-03-30 23:15:14,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-03-30 23:15:16,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600823083] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:16,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:16,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-03-30 23:15:16,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284373741] [2023-03-30 23:15:16,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:16,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-30 23:15:16,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:16,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-30 23:15:16,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-30 23:15:16,075 INFO L87 Difference]: Start difference. First operand 1921 states and 2115 transitions. Second operand has 10 states, 10 states have (on average 30.9) internal successors, (309), 8 states have internal predecessors, (309), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-03-30 23:15:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:17,786 INFO L93 Difference]: Finished difference Result 5318 states and 6108 transitions. [2023-03-30 23:15:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-30 23:15:17,787 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 30.9) internal successors, (309), 8 states have internal predecessors, (309), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 288 [2023-03-30 23:15:17,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:17,787 INFO L225 Difference]: With dead ends: 5318 [2023-03-30 23:15:17,787 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 23:15:17,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 594 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2023-03-30 23:15:17,795 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 1571 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:17,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 74 Invalid, 2104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-03-30 23:15:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 23:15:17,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 23:15:17,796 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) [2023-03-30 23:15:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 23:15:17,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2023-03-30 23:15:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:17,797 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 23:15:17,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 30.9) internal successors, (309), 8 states have internal predecessors, (309), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-03-30 23:15:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 23:15:17,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 23:15:17,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 23:15:17,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-03-30 23:15:18,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:18,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 23:15:22,992 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 23:15:22,992 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 23:15:22,992 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 23:15:22,992 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:15:22,993 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse4 (< 218 ~a1~0)) (.cse2 (<= ~a19~0 9)) (.cse7 (= 9 |old(~a19~0)|)) (.cse6 (<= ~a1~0 36)) (.cse1 (not (= ~a19~0 8))) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a10~0 2))) (or (and .cse0 .cse1) (< |old(~a19~0)| 9) (<= ~a10~0 1) (and .cse2 (<= 4 ~a10~0)) (not .cse3) (and (= ~a19~0 9) (<= 3 ~a10~0)) (and .cse0 .cse4 .cse5) (and .cse0 .cse6 .cse5) (and .cse2 .cse7 .cse4 .cse1 .cse3 .cse5) (< 23 |old(~a1~0)|) (and .cse2 .cse7 .cse6 .cse1 .cse3 .cse5) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:15:22,993 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-03-30 23:15:22,993 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-03-30 23:15:22,993 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse4 (< 218 ~a1~0)) (.cse2 (<= ~a19~0 9)) (.cse7 (= 9 |old(~a19~0)|)) (.cse6 (<= ~a1~0 36)) (.cse1 (not (= ~a19~0 8))) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a10~0 2))) (or (and .cse0 .cse1) (< |old(~a19~0)| 9) (<= ~a10~0 1) (and .cse2 (<= 4 ~a10~0)) (not .cse3) (and (= ~a19~0 9) (<= 3 ~a10~0)) (and .cse0 .cse4 .cse5) (and .cse0 .cse6 .cse5) (and .cse2 .cse7 .cse4 .cse1 .cse3 .cse5) (< 23 |old(~a1~0)|) (and .cse2 .cse7 .cse6 .cse1 .cse3 .cse5) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:15:22,993 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:15:22,993 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0))) [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,994 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-03-30 23:15:22,995 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-03-30 23:15:22,996 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,997 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-03-30 23:15:22,998 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-03-30 23:15:22,999 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-03-30 23:15:23,000 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,001 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-03-30 23:15:23,002 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-03-30 23:15:23,003 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-03-30 23:15:23,004 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-03-30 23:15:23,005 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-03-30 23:15:23,006 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (<= |old(~a1~0)| 218)) (.cse1 (and .cse9 .cse10 (= ~a10~0 2))) (.cse3 (< 8 |old(~a19~0)|)) (.cse4 (not (= 2 |old(~a10~0)|))) (.cse8 (= 8 |old(~a19~0)|)) (.cse7 (< 9 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse6 (and .cse9 .cse10 (= ~a10~0 |old(~a10~0)|))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (< |old(~a10~0)| 4) .cse6 .cse7 .cse5) (or .cse0 .cse1 .cse4 .cse7 .cse5 (< 36 |old(~a1~0)|)) (or .cse8 .cse0 .cse1 .cse2 .cse4 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse8 .cse0 (< |old(~a10~0)| 3) (and .cse9 .cse10 (< ~a10~0 4) (<= 3 ~a10~0)) .cse7 .cse5 (<= 4 |old(~a10~0)|)) (or .cse0 (< 1 |old(~a10~0)|) .cse6 .cse5)))) [2023-03-30 23:15:23,006 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-03-30 23:15:23,007 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,008 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-30 23:15:23,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:15:23,010 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (<= ~a1~0 23) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-03-30 23:15:23,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:15:23,010 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 23:15:23,013 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:23,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 23:15:23,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 11:15:23 BoogieIcfgContainer [2023-03-30 23:15:23,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 23:15:23,041 INFO L158 Benchmark]: Toolchain (without parser) took 30293.96ms. Allocated memory was 210.8MB in the beginning and 562.0MB in the end (delta: 351.3MB). Free memory was 148.1MB in the beginning and 267.3MB in the end (delta: -119.2MB). Peak memory consumption was 319.9MB. Max. memory is 8.0GB. [2023-03-30 23:15:23,042 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 159.8MB in the beginning and 159.7MB in the end (delta: 89.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 23:15:23,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.66ms. Allocated memory was 210.8MB in the beginning and 253.8MB in the end (delta: 43.0MB). Free memory was 147.9MB in the beginning and 210.7MB in the end (delta: -62.9MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 23:15:23,042 INFO L158 Benchmark]: Boogie Preprocessor took 99.31ms. Allocated memory is still 253.8MB. Free memory was 210.7MB in the beginning and 206.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 23:15:23,042 INFO L158 Benchmark]: RCFGBuilder took 1141.72ms. Allocated memory is still 253.8MB. Free memory was 206.5MB in the beginning and 199.6MB in the end (delta: 7.0MB). Peak memory consumption was 69.4MB. Max. memory is 8.0GB. [2023-03-30 23:15:23,043 INFO L158 Benchmark]: TraceAbstraction took 28588.57ms. Allocated memory was 253.8MB in the beginning and 562.0MB in the end (delta: 308.3MB). Free memory was 198.5MB in the beginning and 267.3MB in the end (delta: -68.8MB). Peak memory consumption was 326.0MB. Max. memory is 8.0GB. [2023-03-30 23:15:23,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 159.8MB in the beginning and 159.7MB in the end (delta: 89.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.66ms. Allocated memory was 210.8MB in the beginning and 253.8MB in the end (delta: 43.0MB). Free memory was 147.9MB in the beginning and 210.7MB in the end (delta: -62.9MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.31ms. Allocated memory is still 253.8MB. Free memory was 210.7MB in the beginning and 206.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1141.72ms. Allocated memory is still 253.8MB. Free memory was 206.5MB in the beginning and 199.6MB in the end (delta: 7.0MB). Peak memory consumption was 69.4MB. Max. memory is 8.0GB. * TraceAbstraction took 28588.57ms. Allocated memory was 253.8MB in the beginning and 562.0MB in the end (delta: 308.3MB). Free memory was 198.5MB in the beginning and 267.3MB in the end (delta: -68.8MB). Peak memory consumption was 326.0MB. 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: 80]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8975 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8962 mSDsluCounter, 995 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 388 mSDsCounter, 1849 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11374 IncrementalHoareTripleChecker+Invalid, 13223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1849 mSolverCounterUnsat, 607 mSDtfsCounter, 11374 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2733 GetRequests, 2578 SyntacticMatches, 4 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1921occurred in iteration=9, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1632 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 112 PreInvPairs, 186 NumberOfFragments, 507 HoareAnnotationTreeSize, 112 FomulaSimplifications, 91355 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7653 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 3395 NumberOfCodeBlocks, 3395 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4334 ConstructedInterpolants, 0 QuantifiedInterpolants, 14113 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2944 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 2358/2552 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 8 && !(a19 == 8)) || \old(a19) < 9) || a10 <= 1) || (a19 <= 9 && 4 <= a10)) || !(14 == a4)) || (a19 == 9 && 3 <= a10)) || ((a19 <= 8 && 218 < a1) && a10 == 2)) || ((a19 <= 8 && a1 <= 36) && a10 == 2)) || (((((a19 <= 9 && 9 == \old(a19)) && 218 < a1) && !(a19 == 8)) && 14 == a4) && a10 == 2)) || 23 < \old(a1)) || (((((a19 <= 9 && 9 == \old(a19)) && a1 <= 36) && !(a19 == 8)) && 14 == a4) && a10 == 2)) || !(0 == \old(a10))) || 9 < \old(a19)) || !(a12 == 0) RESULT: Ultimate proved your program to be correct! [2023-03-30 23:15:23,073 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...