/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/Problem14_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:50:50,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:50:50,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:50:50,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 22:50:50,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 22:50:50,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 22:50:50,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 22:50:50,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 22:50:50,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 22:50:50,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 22:50:50,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 22:50:50,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 22:50:50,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 22:50:50,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 22:50:50,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 22:50:50,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 22:50:50,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 22:50:50,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 22:50:50,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 22:50:50,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 22:50:50,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 22:50:50,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 22:50:50,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 22:50:50,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 22:50:50,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 22:50:50,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 22:50:50,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 22:50:50,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 22:50:50,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 22:50:50,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 22:50:50,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 22:50:50,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 22:50:50,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 22:50:50,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 22:50:50,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 22:50:50,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 22:50:50,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 22:50:50,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 22:50:50,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 22:50:50,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 22:50:50,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 22:50:50,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:50:50,462 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:50:50,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:50:50,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:50:50,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:50:50,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:50:50,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:50:50,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:50:50,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:50:50,464 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:50:50,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:50:50,464 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:50:50,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:50:50,465 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:50:50,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:50:50,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:50:50,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:50:50,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:50:50,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:50:50,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:50:50,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:50:50,468 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:50:50,468 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:50:50,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:50:50,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:50:50,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:50:50,719 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:50:50,722 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:50:50,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2023-04-01 22:50:51,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:50:52,225 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:50:52,226 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2023-04-01 22:50:52,236 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd12bf37/b7cacbc1e9ab4b2f9724ca13bed56b50/FLAGd871fec30 [2023-04-01 22:50:52,252 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd12bf37/b7cacbc1e9ab4b2f9724ca13bed56b50 [2023-04-01 22:50:52,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:50:52,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:50:52,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:50:52,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:50:52,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:50:52,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689ff291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52, skipping insertion in model container [2023-04-01 22:50:52,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:50:52,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:50:52,526 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/Problem14_label00.c[5469,5482] [2023-04-01 22:50:52,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:50:52,686 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:50:52,705 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/Problem14_label00.c[5469,5482] [2023-04-01 22:50:52,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:50:52,797 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:50:52,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52 WrapperNode [2023-04-01 22:50:52,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:50:52,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:50:52,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:50:52,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:50:52,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,879 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:50:52,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:50:52,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:50:52,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:50:52,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (1/1) ... [2023-04-01 22:50:52,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:50:52,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:50:52,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 22:50:52,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 22:50:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:50:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:50:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:50:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:50:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:50:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:50:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:50:53,074 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:50:53,076 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:50:54,194 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:50:54,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:50:54,209 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:50:54,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:50:54 BoogieIcfgContainer [2023-04-01 22:50:54,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:50:54,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:50:54,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:50:54,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:50:54,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:50:52" (1/3) ... [2023-04-01 22:50:54,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103a935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:50:54, skipping insertion in model container [2023-04-01 22:50:54,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:52" (2/3) ... [2023-04-01 22:50:54,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103a935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:50:54, skipping insertion in model container [2023-04-01 22:50:54,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:50:54" (3/3) ... [2023-04-01 22:50:54,224 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label00.c [2023-04-01 22:50:54,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:50:54,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:50:54,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:50:54,315 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;@1a053ead, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:50:54,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:50:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:50:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-01 22:50:54,329 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:50:54,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:50:54,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:50:54,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:50:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2128599610, now seen corresponding path program 1 times [2023-04-01 22:50:54,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:50:54,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048651497] [2023-04-01 22:50:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:50:54,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:50:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:50:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:50:54,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:50:54,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048651497] [2023-04-01 22:50:54,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048651497] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:50:54,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:50:54,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:50:54,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135399658] [2023-04-01 22:50:54,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:50:54,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:50:54,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:50:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:50:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:50:54,933 INFO L87 Difference]: Start difference. First operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 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 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:50:56,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:50:56,646 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2023-04-01 22:50:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:50:56,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 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 59 [2023-04-01 22:50:56,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:50:56,661 INFO L225 Difference]: With dead ends: 886 [2023-04-01 22:50:56,662 INFO L226 Difference]: Without dead ends: 564 [2023-04-01 22:50:56,667 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 [2023-04-01 22:50:56,670 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 932 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:50:56,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 34 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:50:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-04-01 22:50:56,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2023-04-01 22:50:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 546 states have (on average 1.6282051282051282) internal successors, (889), 548 states have internal predecessors, (889), 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) [2023-04-01 22:50:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2023-04-01 22:50:56,747 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 59 [2023-04-01 22:50:56,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:50:56,747 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2023-04-01 22:50:56,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:50:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2023-04-01 22:50:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 22:50:56,752 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:50:56,752 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:50:56,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:50:56,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:50:56,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:50:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -430007885, now seen corresponding path program 1 times [2023-04-01 22:50:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:50:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117305695] [2023-04-01 22:50:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:50:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:50:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:50:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:50:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:50:57,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:50:57,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117305695] [2023-04-01 22:50:57,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117305695] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:50:57,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:50:57,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:50:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802179359] [2023-04-01 22:50:57,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:50:57,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:50:57,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:50:57,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:50:57,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:50:57,169 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:50:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:50:58,990 INFO L93 Difference]: Finished difference Result 2246 states and 3775 transitions. [2023-04-01 22:50:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 22:50:58,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 128 [2023-04-01 22:50:58,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:50:59,005 INFO L225 Difference]: With dead ends: 2246 [2023-04-01 22:50:59,006 INFO L226 Difference]: Without dead ends: 1694 [2023-04-01 22:50:59,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:50:59,014 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 743 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:50:59,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 57 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 22:50:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2023-04-01 22:50:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1128. [2023-04-01 22:50:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1098 states have (on average 1.5163934426229508) internal successors, (1665), 1112 states have internal predecessors, (1665), 8 states have call successors, (8), 8 states have call predecessors, (8), 21 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2023-04-01 22:50:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1732 transitions. [2023-04-01 22:50:59,071 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1732 transitions. Word has length 128 [2023-04-01 22:50:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:50:59,072 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1732 transitions. [2023-04-01 22:50:59,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:50:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1732 transitions. [2023-04-01 22:50:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-01 22:50:59,074 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:50:59,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:50:59,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:50:59,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:50:59,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:50:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 348535666, now seen corresponding path program 1 times [2023-04-01 22:50:59,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:50:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962200958] [2023-04-01 22:50:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:50:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:50:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:50:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:50:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:50:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:50:59,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:50:59,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962200958] [2023-04-01 22:50:59,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962200958] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:50:59,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:50:59,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:50:59,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818268082] [2023-04-01 22:50:59,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:50:59,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:50:59,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:50:59,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:50:59,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:50:59,361 INFO L87 Difference]: Start difference. First operand 1128 states and 1732 transitions. Second operand has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:51:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:00,583 INFO L93 Difference]: Finished difference Result 2856 states and 4565 transitions. [2023-04-01 22:51:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:51:00,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 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 129 [2023-04-01 22:51:00,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:00,597 INFO L225 Difference]: With dead ends: 2856 [2023-04-01 22:51:00,597 INFO L226 Difference]: Without dead ends: 1734 [2023-04-01 22:51:00,602 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 [2023-04-01 22:51:00,606 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 823 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:00,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 49 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:51:00,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2023-04-01 22:51:00,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1706. [2023-04-01 22:51:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1654 states have (on average 1.36819830713422) internal successors, (2263), 1684 states have internal predecessors, (2263), 11 states have call successors, (11), 11 states have call predecessors, (11), 40 states have return successors, (132), 10 states have call predecessors, (132), 10 states have call successors, (132) [2023-04-01 22:51:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2406 transitions. [2023-04-01 22:51:00,667 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2406 transitions. Word has length 129 [2023-04-01 22:51:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:00,667 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2406 transitions. [2023-04-01 22:51:00,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:51:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2406 transitions. [2023-04-01 22:51:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-01 22:51:00,674 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:00,674 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:51:00,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:51:00,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:00,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:00,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1185784854, now seen corresponding path program 1 times [2023-04-01 22:51:00,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:00,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745863643] [2023-04-01 22:51:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:51:01,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745863643] [2023-04-01 22:51:01,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745863643] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:01,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:51:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:51:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516205725] [2023-04-01 22:51:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:01,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:51:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:01,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:51:01,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:51:01,031 INFO L87 Difference]: Start difference. First operand 1706 states and 2406 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:51:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:02,162 INFO L93 Difference]: Finished difference Result 4200 states and 5993 transitions. [2023-04-01 22:51:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:51:02,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 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 131 [2023-04-01 22:51:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:02,178 INFO L225 Difference]: With dead ends: 4200 [2023-04-01 22:51:02,178 INFO L226 Difference]: Without dead ends: 2500 [2023-04-01 22:51:02,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:51:02,189 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 831 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:02,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 45 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:51:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2023-04-01 22:51:02,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2458. [2023-04-01 22:51:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 2386 states have (on average 1.2912824811399832) internal successors, (3081), 2428 states have internal predecessors, (3081), 15 states have call successors, (15), 15 states have call predecessors, (15), 56 states have return successors, (220), 14 states have call predecessors, (220), 14 states have call successors, (220) [2023-04-01 22:51:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3316 transitions. [2023-04-01 22:51:02,269 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3316 transitions. Word has length 131 [2023-04-01 22:51:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:02,270 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3316 transitions. [2023-04-01 22:51:02,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:51:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3316 transitions. [2023-04-01 22:51:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 22:51:02,272 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:02,272 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:51:02,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:51:02,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:02,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:02,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2125928069, now seen corresponding path program 1 times [2023-04-01 22:51:02,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:02,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485279136] [2023-04-01 22:51:02,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:51:02,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:02,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485279136] [2023-04-01 22:51:02,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485279136] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:02,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978572968] [2023-04-01 22:51:02,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:02,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:02,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:02,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:02,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:51:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:02,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:51:02,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:51:02,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:51:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978572968] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:51:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 22:51:02,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565739261] [2023-04-01 22:51:02,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:51:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:02,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:51:02,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:51:02,992 INFO L87 Difference]: Start difference. First operand 2458 states and 3316 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:51:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:03,584 INFO L93 Difference]: Finished difference Result 5646 states and 7623 transitions. [2023-04-01 22:51:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:51:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 132 [2023-04-01 22:51:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:03,598 INFO L225 Difference]: With dead ends: 5646 [2023-04-01 22:51:03,598 INFO L226 Difference]: Without dead ends: 3194 [2023-04-01 22:51:03,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:51:03,604 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 128 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:03,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 323 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:51:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2023-04-01 22:51:03,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2824. [2023-04-01 22:51:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2747 states have (on average 1.2788496541681835) internal successors, (3513), 2790 states have internal predecessors, (3513), 17 states have call successors, (17), 17 states have call predecessors, (17), 59 states have return successors, (262), 16 states have call predecessors, (262), 16 states have call successors, (262) [2023-04-01 22:51:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3792 transitions. [2023-04-01 22:51:03,691 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3792 transitions. Word has length 132 [2023-04-01 22:51:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:03,692 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 3792 transitions. [2023-04-01 22:51:03,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:51:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3792 transitions. [2023-04-01 22:51:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-01 22:51:03,696 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:03,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:51:03,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:03,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:03,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:03,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -640314253, now seen corresponding path program 1 times [2023-04-01 22:51:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845301873] [2023-04-01 22:51:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:04,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:51:04,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:04,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845301873] [2023-04-01 22:51:04,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845301873] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:04,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899891866] [2023-04-01 22:51:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:04,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:04,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:04,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:04,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:51:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:04,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:51:04,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:51:04,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:51:04,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899891866] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:04,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:51:04,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 22:51:04,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908956133] [2023-04-01 22:51:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:04,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:51:04,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:51:04,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:51:04,626 INFO L87 Difference]: Start difference. First operand 2824 states and 3792 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:51:05,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:05,246 INFO L93 Difference]: Finished difference Result 6014 states and 8235 transitions. [2023-04-01 22:51:05,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:51:05,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 224 [2023-04-01 22:51:05,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:05,259 INFO L225 Difference]: With dead ends: 6014 [2023-04-01 22:51:05,259 INFO L226 Difference]: Without dead ends: 3378 [2023-04-01 22:51:05,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:51:05,265 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 131 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:05,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 261 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:51:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2023-04-01 22:51:05,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 2832. [2023-04-01 22:51:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2751 states have (on average 1.2580879680116321) internal successors, (3461), 2798 states have internal predecessors, (3461), 17 states have call successors, (17), 17 states have call predecessors, (17), 63 states have return successors, (279), 16 states have call predecessors, (279), 16 states have call successors, (279) [2023-04-01 22:51:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3757 transitions. [2023-04-01 22:51:05,346 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3757 transitions. Word has length 224 [2023-04-01 22:51:05,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:05,347 INFO L495 AbstractCegarLoop]: Abstraction has 2832 states and 3757 transitions. [2023-04-01 22:51:05,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:51:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3757 transitions. [2023-04-01 22:51:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-04-01 22:51:05,353 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:05,353 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:05,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:05,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 22:51:05,559 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:05,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:05,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1718854047, now seen corresponding path program 1 times [2023-04-01 22:51:05,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:05,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907467091] [2023-04-01 22:51:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:05,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-01 22:51:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 22:51:05,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:05,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907467091] [2023-04-01 22:51:05,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907467091] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:05,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260821338] [2023-04-01 22:51:05,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:05,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:05,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:05,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:05,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:51:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:06,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:51:06,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 22:51:06,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:51:06,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260821338] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:06,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:51:06,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:51:06,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220844040] [2023-04-01 22:51:06,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:06,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:51:06,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:51:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:51:06,093 INFO L87 Difference]: Start difference. First operand 2832 states and 3757 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:51:06,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:06,678 INFO L93 Difference]: Finished difference Result 5474 states and 7304 transitions. [2023-04-01 22:51:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:51:06,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 288 [2023-04-01 22:51:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:06,689 INFO L225 Difference]: With dead ends: 5474 [2023-04-01 22:51:06,689 INFO L226 Difference]: Without dead ends: 2832 [2023-04-01 22:51:06,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:51:06,695 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 131 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:06,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 255 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:51:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-01 22:51:06,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2650. [2023-04-01 22:51:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2571 states have (on average 1.250097238428627) internal successors, (3214), 2618 states have internal predecessors, (3214), 16 states have call successors, (16), 16 states have call predecessors, (16), 62 states have return successors, (263), 15 states have call predecessors, (263), 15 states have call successors, (263) [2023-04-01 22:51:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3493 transitions. [2023-04-01 22:51:06,810 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3493 transitions. Word has length 288 [2023-04-01 22:51:06,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:06,811 INFO L495 AbstractCegarLoop]: Abstraction has 2650 states and 3493 transitions. [2023-04-01 22:51:06,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:51:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3493 transitions. [2023-04-01 22:51:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-04-01 22:51:06,819 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:06,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:06,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:07,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:07,029 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:07,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1095366639, now seen corresponding path program 1 times [2023-04-01 22:51:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743025987] [2023-04-01 22:51:07,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:51:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 163 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:51:07,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:07,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743025987] [2023-04-01 22:51:07,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743025987] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:07,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788538951] [2023-04-01 22:51:07,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:07,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:07,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:07,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:08,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:51:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:08,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:51:08,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-01 22:51:08,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:51:08,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788538951] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:08,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:51:08,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:51:08,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497845608] [2023-04-01 22:51:08,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:08,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:51:08,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:51:08,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:51:08,654 INFO L87 Difference]: Start difference. First operand 2650 states and 3493 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:51:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:09,475 INFO L93 Difference]: Finished difference Result 5314 states and 7039 transitions. [2023-04-01 22:51:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:51:09,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 324 [2023-04-01 22:51:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:09,486 INFO L225 Difference]: With dead ends: 5314 [2023-04-01 22:51:09,486 INFO L226 Difference]: Without dead ends: 2854 [2023-04-01 22:51:09,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:51:09,492 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 341 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:09,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 53 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:51:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2854 states. [2023-04-01 22:51:09,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2854 to 2848. [2023-04-01 22:51:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2848 states, 2759 states have (on average 1.23523015585357) internal successors, (3408), 2814 states have internal predecessors, (3408), 17 states have call successors, (17), 17 states have call predecessors, (17), 71 states have return successors, (301), 16 states have call predecessors, (301), 16 states have call successors, (301) [2023-04-01 22:51:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 3726 transitions. [2023-04-01 22:51:09,567 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 3726 transitions. Word has length 324 [2023-04-01 22:51:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:09,568 INFO L495 AbstractCegarLoop]: Abstraction has 2848 states and 3726 transitions. [2023-04-01 22:51:09,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:51:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3726 transitions. [2023-04-01 22:51:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2023-04-01 22:51:09,576 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:09,576 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:09,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:09,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:09,782 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:09,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2077073870, now seen corresponding path program 1 times [2023-04-01 22:51:09,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:09,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391290950] [2023-04-01 22:51:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-01 22:51:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:51:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 230 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:51:10,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:10,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391290950] [2023-04-01 22:51:10,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391290950] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:10,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433075839] [2023-04-01 22:51:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:10,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:10,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:10,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:51:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:10,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:51:10,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-04-01 22:51:11,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:51:11,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433075839] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:51:11,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:51:11,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:51:11,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128707769] [2023-04-01 22:51:11,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:51:11,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:51:11,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:11,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:51:11,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:51:11,272 INFO L87 Difference]: Start difference. First operand 2848 states and 3726 transitions. Second operand has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:51:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:12,171 INFO L93 Difference]: Finished difference Result 5342 states and 7091 transitions. [2023-04-01 22:51:12,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:51:12,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 397 [2023-04-01 22:51:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:12,183 INFO L225 Difference]: With dead ends: 5342 [2023-04-01 22:51:12,183 INFO L226 Difference]: Without dead ends: 2866 [2023-04-01 22:51:12,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:51:12,189 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 423 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:12,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 54 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:51:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2866 states. [2023-04-01 22:51:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2850. [2023-04-01 22:51:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2760 states have (on average 1.2264492753623188) internal successors, (3385), 2816 states have internal predecessors, (3385), 17 states have call successors, (17), 17 states have call predecessors, (17), 72 states have return successors, (280), 16 states have call predecessors, (280), 16 states have call successors, (280) [2023-04-01 22:51:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3682 transitions. [2023-04-01 22:51:12,259 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3682 transitions. Word has length 397 [2023-04-01 22:51:12,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:12,259 INFO L495 AbstractCegarLoop]: Abstraction has 2850 states and 3682 transitions. [2023-04-01 22:51:12,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:51:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3682 transitions. [2023-04-01 22:51:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-04-01 22:51:12,268 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:12,268 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:12,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:12,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:12,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:12,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1232067771, now seen corresponding path program 1 times [2023-04-01 22:51:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284892633] [2023-04-01 22:51:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:12,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-01 22:51:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-01 22:51:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 190 proven. 239 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 22:51:13,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284892633] [2023-04-01 22:51:13,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284892633] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653218425] [2023-04-01 22:51:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:13,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:13,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:51:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:13,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:51:13,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 381 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-01 22:51:15,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:51:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 161 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:51:17,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653218425] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:51:17,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:51:17,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2023-04-01 22:51:17,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566765642] [2023-04-01 22:51:17,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:51:17,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 22:51:17,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:17,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 22:51:17,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2023-04-01 22:51:17,830 INFO L87 Difference]: Start difference. First operand 2850 states and 3682 transitions. Second operand has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:51:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:22,166 INFO L93 Difference]: Finished difference Result 7318 states and 9864 transitions. [2023-04-01 22:51:22,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:51:22,170 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) Word has length 408 [2023-04-01 22:51:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:22,203 INFO L225 Difference]: With dead ends: 7318 [2023-04-01 22:51:22,204 INFO L226 Difference]: Without dead ends: 4568 [2023-04-01 22:51:22,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 839 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:51:22,212 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2998 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3002 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:22,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3002 Valid, 159 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-01 22:51:22,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2023-04-01 22:51:22,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4308. [2023-04-01 22:51:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4308 states, 4201 states have (on average 1.116638895501071) internal successors, (4691), 4258 states have internal predecessors, (4691), 25 states have call successors, (25), 25 states have call predecessors, (25), 81 states have return successors, (331), 24 states have call predecessors, (331), 24 states have call successors, (331) [2023-04-01 22:51:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 5047 transitions. [2023-04-01 22:51:22,355 INFO L78 Accepts]: Start accepts. Automaton has 4308 states and 5047 transitions. Word has length 408 [2023-04-01 22:51:22,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:22,356 INFO L495 AbstractCegarLoop]: Abstraction has 4308 states and 5047 transitions. [2023-04-01 22:51:22,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:51:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4308 states and 5047 transitions. [2023-04-01 22:51:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2023-04-01 22:51:22,374 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:22,375 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:22,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:22,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:22,588 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:22,589 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash 111803031, now seen corresponding path program 1 times [2023-04-01 22:51:22,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:22,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31007065] [2023-04-01 22:51:22,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:51:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:51:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-04-01 22:51:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2023-04-01 22:51:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 491 proven. 247 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2023-04-01 22:51:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31007065] [2023-04-01 22:51:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31007065] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874504025] [2023-04-01 22:51:23,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:23,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:23,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:23,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:23,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:51:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:24,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:51:24,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 1057 proven. 2 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-01 22:51:24,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:51:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 496 proven. 243 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-04-01 22:51:26,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874504025] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:51:26,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:51:26,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2023-04-01 22:51:26,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127465906] [2023-04-01 22:51:26,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:51:26,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:51:26,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:26,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:51:26,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:51:26,316 INFO L87 Difference]: Start difference. First operand 4308 states and 5047 transitions. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:51:29,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:29,666 INFO L93 Difference]: Finished difference Result 9004 states and 10552 transitions. [2023-04-01 22:51:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-01 22:51:29,666 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 676 [2023-04-01 22:51:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:29,680 INFO L225 Difference]: With dead ends: 9004 [2023-04-01 22:51:29,681 INFO L226 Difference]: Without dead ends: 4886 [2023-04-01 22:51:29,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1452 GetRequests, 1395 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=597, Invalid=2709, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:51:29,688 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3687 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:29,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3687 Valid, 152 Invalid, 3508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 3017 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-01 22:51:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2023-04-01 22:51:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4694. [2023-04-01 22:51:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4694 states, 4572 states have (on average 1.0883639545056867) internal successors, (4976), 4640 states have internal predecessors, (4976), 27 states have call successors, (27), 27 states have call predecessors, (27), 94 states have return successors, (284), 26 states have call predecessors, (284), 26 states have call successors, (284) [2023-04-01 22:51:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 5287 transitions. [2023-04-01 22:51:29,813 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 5287 transitions. Word has length 676 [2023-04-01 22:51:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:29,813 INFO L495 AbstractCegarLoop]: Abstraction has 4694 states and 5287 transitions. [2023-04-01 22:51:29,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:51:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5287 transitions. [2023-04-01 22:51:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-04-01 22:51:29,825 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:51:29,826 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:29,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:30,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:30,033 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:51:30,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:51:30,034 INFO L85 PathProgramCache]: Analyzing trace with hash -412492706, now seen corresponding path program 1 times [2023-04-01 22:51:30,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:51:30,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565122739] [2023-04-01 22:51:30,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:30,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:51:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:51:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:51:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:51:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:51:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:51:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-04-01 22:51:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 419 proven. 599 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-04-01 22:51:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:51:31,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565122739] [2023-04-01 22:51:31,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565122739] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:51:31,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385600911] [2023-04-01 22:51:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:51:31,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:51:31,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:51:31,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:51:31,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:51:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:51:31,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:51:31,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:51:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 1026 proven. 2 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2023-04-01 22:51:31,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:51:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 607 proven. 112 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-04-01 22:51:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385600911] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:51:32,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:51:32,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 12 [2023-04-01 22:51:32,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348426992] [2023-04-01 22:51:32,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:51:32,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:51:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:51:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:51:32,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:51:32,598 INFO L87 Difference]: Start difference. First operand 4694 states and 5287 transitions. Second operand has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:51:34,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:51:34,424 INFO L93 Difference]: Finished difference Result 11236 states and 12627 transitions. [2023-04-01 22:51:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:51:34,429 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 705 [2023-04-01 22:51:34,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:51:34,431 INFO L225 Difference]: With dead ends: 11236 [2023-04-01 22:51:34,431 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:51:34,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1459 GetRequests, 1433 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:51:34,450 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 2431 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:51:34,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 56 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:51:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:51:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:51:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:51:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:51:34,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2023-04-01 22:51:34,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:51:34,452 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:51:34,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:51:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:51:34,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:51:34,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:51:34,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:51:34,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 22:51:34,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:51:39,422 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:51:39,424 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (< |old(~a21~0)| 7) (and .cse0 (< ~a12~0 81) (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and .cse0 .cse1) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and (<= 9 ~a21~0) .cse0 (not (= ~a21~0 9))) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (and .cse0 (not (= 5 ~a15~0))) (< |old(~a15~0)| 8))) [2023-04-01 22:51:39,424 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:51:39,424 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 900) the Hoare annotation is: (or (and (= ~a24~0 1) (<= 7 ~a21~0) (<= ~a21~0 7) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 8)) (< |old(~a21~0)| 7) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (< |old(~a15~0)| 8)) [2023-04-01 22:51:39,425 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (< |old(~a21~0)| 7) (and .cse0 (< ~a12~0 81) (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and .cse0 .cse1) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and (<= 9 ~a21~0) .cse0 (not (= ~a21~0 9))) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (and .cse0 (not (= 5 ~a15~0))) (< |old(~a15~0)| 8))) [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:51:39,425 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a21~0 |old(~a21~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a15~0 |old(~a15~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:51:39,425 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:51:39,429 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:51:39,430 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,432 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:51:39,433 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:51:39,434 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:51:39,435 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:51:39,436 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:51:39,436 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:51:39,436 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:51:39,436 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,436 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:51:39,437 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:51:39,438 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:51:39,439 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:51:39,441 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:51:39,441 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:51:39,441 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:51:39,441 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:51:39,442 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:51:39,443 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:51:39,444 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,445 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,446 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,447 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:51:39,448 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:51:39,449 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:51:39,450 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:51:39,451 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a15~0 |old(~a15~0)|)) (.cse5 (= ~a12~0 |old(~a12~0)|))) (let ((.cse2 (< 6 |old(~a21~0)|)) (.cse0 (and .cse3 (= ~a24~0 1) .cse4 .cse5)) (.cse1 (not (= |old(~a24~0)| 1)))) (and (or .cse0 (and (<= (+ 43 |old(~a12~0)|) 0) (= 7 |old(~a21~0)|)) .cse1 (<= 81 |old(~a12~0)|)) (or .cse2 (< 0 (+ 49 |old(~a12~0)|)) (and .cse3 .cse4 .cse5 (= ~a24~0 |old(~a24~0)|)) (< 8 |old(~a15~0)|)) (or .cse2 .cse0 .cse1) (or .cse0 (= 9 |old(~a21~0)|) (< |old(~a21~0)| 9) .cse1) (or .cse0 (= 5 |old(~a15~0)|) .cse1)))) [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:51:39,452 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,453 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:51:39,454 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a24~0 1) (<= 7 ~a21~0) (<= ~a21~0 7) (<= (+ 49 ~a12~0) 0) (= ~a15~0 8)) [2023-04-01 22:51:39,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:51:39,456 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:51:39,461 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:51:39,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:51:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:51:39 BoogieIcfgContainer [2023-04-01 22:51:39,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:51:39,487 INFO L158 Benchmark]: Toolchain (without parser) took 47228.83ms. Allocated memory was 184.5MB in the beginning and 679.5MB in the end (delta: 494.9MB). Free memory was 123.8MB in the beginning and 428.8MB in the end (delta: -304.9MB). Peak memory consumption was 395.9MB. Max. memory is 8.0GB. [2023-04-01 22:51:39,487 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:51:39,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.05ms. Allocated memory is still 184.5MB. Free memory was 123.8MB in the beginning and 137.4MB in the end (delta: -13.5MB). Peak memory consumption was 24.5MB. Max. memory is 8.0GB. [2023-04-01 22:51:39,487 INFO L158 Benchmark]: Boogie Preprocessor took 95.29ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 132.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 22:51:39,488 INFO L158 Benchmark]: RCFGBuilder took 1318.69ms. Allocated memory was 184.5MB in the beginning and 223.3MB in the end (delta: 38.8MB). Free memory was 132.1MB in the beginning and 128.2MB in the end (delta: 3.9MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. [2023-04-01 22:51:39,488 INFO L158 Benchmark]: TraceAbstraction took 45268.14ms. Allocated memory was 223.3MB in the beginning and 679.5MB in the end (delta: 456.1MB). Free memory was 127.2MB in the beginning and 428.8MB in the end (delta: -301.6MB). Peak memory consumption was 360.2MB. Max. memory is 8.0GB. [2023-04-01 22:51:39,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 538.05ms. Allocated memory is still 184.5MB. Free memory was 123.8MB in the beginning and 137.4MB in the end (delta: -13.5MB). Peak memory consumption was 24.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.29ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 132.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1318.69ms. Allocated memory was 184.5MB in the beginning and 223.3MB in the end (delta: 38.8MB). Free memory was 132.1MB in the beginning and 128.2MB in the end (delta: 3.9MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. * TraceAbstraction took 45268.14ms. Allocated memory was 223.3MB in the beginning and 679.5MB in the end (delta: 456.1MB). Free memory was 127.2MB in the beginning and 428.8MB in the end (delta: -301.6MB). Peak memory consumption was 360.2MB. 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: 173]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.2s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13603 SdHoareTripleChecker+Valid, 14.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13599 mSDsluCounter, 1498 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 551 mSDsCounter, 3010 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16516 IncrementalHoareTripleChecker+Invalid, 19526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3010 mSolverCounterUnsat, 947 mSDtfsCounter, 16516 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5287 GetRequests, 5062 SyntacticMatches, 3 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2076 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4694occurred in iteration=11, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 2214 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 198 PreInvPairs, 292 NumberOfFragments, 370 HoareAnnotationTreeSize, 198 FomulaSimplifications, 72565 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9548 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 6755 NumberOfCodeBlocks, 6755 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 8521 ConstructedInterpolants, 0 QuantifiedInterpolants, 34111 SizeOfPredicates, 15 NumberOfNonLiveVariables, 5022 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 9812/11696 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: 890]: Loop Invariant Derived loop invariant: (((((((((\old(a21) < 7 || ((a24 == 1 && a12 < 81) && (!(7 == a21) || 0 < a12 + 43))) || (a24 == 1 && a21 <= 6)) || !(\old(a24) == 1)) || 0 < 49 + \old(a12)) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0)) || ((9 <= a21 && a24 == 1) && !(a21 == 9))) || 8 < \old(a15)) || 7 < \old(a21)) || (a24 == 1 && !(5 == a15))) || \old(a15) < 8 RESULT: Ultimate proved your program to be correct! [2023-04-01 22:51:39,517 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...