/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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:53:10,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:53:10,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:53:10,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 22:53:10,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 22:53:10,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 22:53:10,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 22:53:10,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 22:53:10,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 22:53:10,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 22:53:10,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 22:53:10,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 22:53:10,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 22:53:10,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 22:53:10,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 22:53:10,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 22:53:10,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 22:53:10,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 22:53:10,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 22:53:10,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 22:53:10,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 22:53:10,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 22:53:10,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 22:53:10,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 22:53:10,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 22:53:10,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 22:53:10,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 22:53:10,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 22:53:10,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 22:53:10,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 22:53:10,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 22:53:10,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 22:53:10,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 22:53:10,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 22:53:10,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 22:53:10,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 22:53:10,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 22:53:10,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 22:53:10,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 22:53:10,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 22:53:10,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 22:53:10,724 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 22:53:10,757 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:53:10,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:53:10,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:53:10,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:53:10,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:53:10,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:53:10,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:53:10,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:53:10,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:53:10,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:53:10,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:10,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:53:10,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:53:10,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:53:10,762 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:53:10,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:53:10,762 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:53:10,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:53:10,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:53:10,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:53:10,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:53:10,978 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:53:10,980 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:53:10,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2023-04-01 22:53:12,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:53:12,326 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:53:12,327 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2023-04-01 22:53:12,339 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c33529ab/46d45480e6574e9f9aa7127915c2e509/FLAG63948feb2 [2023-04-01 22:53:12,351 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c33529ab/46d45480e6574e9f9aa7127915c2e509 [2023-04-01 22:53:12,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:53:12,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:53:12,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:12,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:53:12,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:53:12,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:12,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb97818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12, skipping insertion in model container [2023-04-01 22:53:12,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:12,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:53:12,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:53:12,601 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_label16.c[4807,4820] [2023-04-01 22:53:12,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:12,802 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:53:12,833 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_label16.c[4807,4820] [2023-04-01 22:53:12,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:12,962 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:53:12,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12 WrapperNode [2023-04-01 22:53:12,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:12,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:53:12,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:53:12,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:53:12,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:12,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:12,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:12,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:53:13,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:53:13,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:53:13,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:53:13,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (1/1) ... [2023-04-01 22:53:13,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:13,160 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 22:53:13,181 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 22:53:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:53:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:53:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:53:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:53:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:53:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:53:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:53:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:53:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:53:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:53:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:53:13,289 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:53:13,291 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:53:14,432 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:53:14,447 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:53:14,447 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:53:14,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:14 BoogieIcfgContainer [2023-04-01 22:53:14,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:53:14,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:53:14,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:53:14,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:53:14,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:53:12" (1/3) ... [2023-04-01 22:53:14,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6de79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:14, skipping insertion in model container [2023-04-01 22:53:14,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:12" (2/3) ... [2023-04-01 22:53:14,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6de79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:14, skipping insertion in model container [2023-04-01 22:53:14,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:14" (3/3) ... [2023-04-01 22:53:14,461 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2023-04-01 22:53:14,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:53:14,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:53:14,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:53:14,545 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;@7f6be2e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:53:14,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:53:14,550 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 22:53:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 22:53:14,559 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:14,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:14,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:14,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:14,568 INFO L85 PathProgramCache]: Analyzing trace with hash -265482815, now seen corresponding path program 1 times [2023-04-01 22:53:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:14,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500628670] [2023-04-01 22:53:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:15,097 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 22:53:15,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500628670] [2023-04-01 22:53:15,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500628670] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:15,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:53:15,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:53:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274410835] [2023-04-01 22:53:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:53:15,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:15,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:53:15,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:53:15,134 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 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:53:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:16,477 INFO L93 Difference]: Finished difference Result 714 states and 1256 transitions. [2023-04-01 22:53:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:53:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-04-01 22:53:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:16,489 INFO L225 Difference]: With dead ends: 714 [2023-04-01 22:53:16,489 INFO L226 Difference]: Without dead ends: 380 [2023-04-01 22:53:16,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:53:16,498 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 618 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:16,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 21 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:53:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-04-01 22:53:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2023-04-01 22:53:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 366 states have (on average 1.4125683060109289) internal successors, (517), 368 states have internal predecessors, (517), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:53:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2023-04-01 22:53:16,556 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 52 [2023-04-01 22:53:16,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:16,556 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2023-04-01 22:53:16,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:53:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2023-04-01 22:53:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-01 22:53:16,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:16,561 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:53:16,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:53:16,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:16,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1504342669, now seen corresponding path program 1 times [2023-04-01 22:53:16,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:16,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672800032] [2023-04-01 22:53:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:16,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672800032] [2023-04-01 22:53:16,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672800032] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599879233] [2023-04-01 22:53:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:16,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:16,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:16,937 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 22:53:16,940 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 22:53:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:17,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:17,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:17,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:17,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599879233] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:17,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:17,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:53:17,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714363046] [2023-04-01 22:53:17,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:17,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:53:17,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:17,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:53:17,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:53:17,134 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 22:53:17,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:17,737 INFO L93 Difference]: Finished difference Result 746 states and 1057 transitions. [2023-04-01 22:53:17,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:53:17,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 135 [2023-04-01 22:53:17,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:17,746 INFO L225 Difference]: With dead ends: 746 [2023-04-01 22:53:17,746 INFO L226 Difference]: Without dead ends: 744 [2023-04-01 22:53:17,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:53:17,747 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 159 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:17,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 27 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2023-04-01 22:53:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 560. [2023-04-01 22:53:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 547 states have (on average 1.4844606946983547) internal successors, (812), 550 states have internal predecessors, (812), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-04-01 22:53:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 830 transitions. [2023-04-01 22:53:17,802 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 830 transitions. Word has length 135 [2023-04-01 22:53:17,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:17,803 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 830 transitions. [2023-04-01 22:53:17,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 22:53:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 830 transitions. [2023-04-01 22:53:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-01 22:53:17,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:17,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:17,818 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 22:53:18,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:18,013 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:18,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:18,014 INFO L85 PathProgramCache]: Analyzing trace with hash 244690900, now seen corresponding path program 1 times [2023-04-01 22:53:18,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:18,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424285532] [2023-04-01 22:53:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:18,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-01 22:53:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:53:18,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:18,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424285532] [2023-04-01 22:53:18,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424285532] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:18,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808940672] [2023-04-01 22:53:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:18,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:18,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:18,543 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 22:53:18,552 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 22:53:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:18,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:18,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:18,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:53:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:19,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808940672] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:53:19,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:53:19,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:53:19,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355124621] [2023-04-01 22:53:19,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:53:19,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:53:19,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:19,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:53:19,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:53:19,173 INFO L87 Difference]: Start difference. First operand 560 states and 830 transitions. Second operand has 12 states, 12 states have (on average 28.166666666666668) internal successors, (338), 10 states have internal predecessors, (338), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:53:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:22,000 INFO L93 Difference]: Finished difference Result 1892 states and 2903 transitions. [2023-04-01 22:53:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 22:53:22,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 28.166666666666668) internal successors, (338), 10 states have internal predecessors, (338), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 205 [2023-04-01 22:53:22,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:22,015 INFO L225 Difference]: With dead ends: 1892 [2023-04-01 22:53:22,015 INFO L226 Difference]: Without dead ends: 1154 [2023-04-01 22:53:22,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2023-04-01 22:53:22,020 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 950 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:22,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 118 Invalid, 3929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 22:53:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-04-01 22:53:22,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 938. [2023-04-01 22:53:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 914 states have (on average 1.2319474835886215) internal successors, (1126), 924 states have internal predecessors, (1126), 7 states have call successors, (7), 7 states have call predecessors, (7), 16 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-01 22:53:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1165 transitions. [2023-04-01 22:53:22,057 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1165 transitions. Word has length 205 [2023-04-01 22:53:22,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:22,058 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1165 transitions. [2023-04-01 22:53:22,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 28.166666666666668) internal successors, (338), 10 states have internal predecessors, (338), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:53:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1165 transitions. [2023-04-01 22:53:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-01 22:53:22,062 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:22,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:22,072 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 22:53:22,268 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,SelfDestructingSolverStorable2 [2023-04-01 22:53:22,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:22,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:22,269 INFO L85 PathProgramCache]: Analyzing trace with hash -696050611, now seen corresponding path program 1 times [2023-04-01 22:53:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:22,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694366460] [2023-04-01 22:53:22,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:22,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-01 22:53:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:53:23,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694366460] [2023-04-01 22:53:23,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694366460] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:23,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953963431] [2023-04-01 22:53:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:23,058 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 22:53:23,078 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 22:53:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:23,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:23,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 22:53:23,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:23,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953963431] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:23,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:23,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-04-01 22:53:23,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791818595] [2023-04-01 22:53:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:23,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:53:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:23,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:53:23,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:53:23,246 INFO L87 Difference]: Start difference. First operand 938 states and 1165 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 22:53:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:23,852 INFO L93 Difference]: Finished difference Result 2792 states and 3511 transitions. [2023-04-01 22:53:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:53:23,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 220 [2023-04-01 22:53:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:23,859 INFO L225 Difference]: With dead ends: 2792 [2023-04-01 22:53:23,860 INFO L226 Difference]: Without dead ends: 1860 [2023-04-01 22:53:23,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:53:23,862 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 135 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:23,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 304 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:23,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2023-04-01 22:53:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1490. [2023-04-01 22:53:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1457 states have (on average 1.205216197666438) internal successors, (1756), 1470 states have internal predecessors, (1756), 10 states have call successors, (10), 10 states have call predecessors, (10), 22 states have return successors, (61), 9 states have call predecessors, (61), 9 states have call successors, (61) [2023-04-01 22:53:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1827 transitions. [2023-04-01 22:53:23,907 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1827 transitions. Word has length 220 [2023-04-01 22:53:23,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:23,908 INFO L495 AbstractCegarLoop]: Abstraction has 1490 states and 1827 transitions. [2023-04-01 22:53:23,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 22:53:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1827 transitions. [2023-04-01 22:53:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-01 22:53:23,913 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:23,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:53:23,924 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 22:53:24,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:24,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:24,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:24,120 INFO L85 PathProgramCache]: Analyzing trace with hash 479764474, now seen corresponding path program 1 times [2023-04-01 22:53:24,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:24,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431702355] [2023-04-01 22:53:24,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:24,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:53:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:53:24,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:24,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431702355] [2023-04-01 22:53:24,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431702355] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:24,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050032073] [2023-04-01 22:53:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:24,787 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 22:53:24,816 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 22:53:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:24,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:24,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 22:53:24,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:24,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050032073] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:24,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:24,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:53:24,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042046177] [2023-04-01 22:53:24,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:24,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:53:24,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:24,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:53:24,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:53:24,971 INFO L87 Difference]: Start difference. First operand 1490 states and 1827 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:53:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:25,604 INFO L93 Difference]: Finished difference Result 3714 states and 4640 transitions. [2023-04-01 22:53:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:53:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 263 [2023-04-01 22:53:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:25,615 INFO L225 Difference]: With dead ends: 3714 [2023-04-01 22:53:25,615 INFO L226 Difference]: Without dead ends: 2412 [2023-04-01 22:53:25,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:53:25,619 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 152 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:25,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 78 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2023-04-01 22:53:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2042. [2023-04-01 22:53:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2042 states, 2000 states have (on average 1.241) internal successors, (2482), 2016 states have internal predecessors, (2482), 13 states have call successors, (13), 13 states have call predecessors, (13), 28 states have return successors, (107), 12 states have call predecessors, (107), 12 states have call successors, (107) [2023-04-01 22:53:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2602 transitions. [2023-04-01 22:53:25,671 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2602 transitions. Word has length 263 [2023-04-01 22:53:25,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:25,671 INFO L495 AbstractCegarLoop]: Abstraction has 2042 states and 2602 transitions. [2023-04-01 22:53:25,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:53:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2602 transitions. [2023-04-01 22:53:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-04-01 22:53:25,678 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:25,678 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:25,686 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 22:53:25,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:25,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:25,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash -692965682, now seen corresponding path program 1 times [2023-04-01 22:53:25,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:25,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233204705] [2023-04-01 22:53:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:53:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-04-01 22:53:26,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:26,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233204705] [2023-04-01 22:53:26,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233204705] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:26,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365867405] [2023-04-01 22:53:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:26,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:26,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:26,516 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 22:53:26,518 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 22:53:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:26,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:26,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-01 22:53:26,707 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:26,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365867405] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:26,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:26,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:53:26,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001039119] [2023-04-01 22:53:26,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:26,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:53:26,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:26,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:53:26,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:53:26,710 INFO L87 Difference]: Start difference. First operand 2042 states and 2602 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:53:27,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:27,371 INFO L93 Difference]: Finished difference Result 5176 states and 6764 transitions. [2023-04-01 22:53:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:53:27,372 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 333 [2023-04-01 22:53:27,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:27,375 INFO L225 Difference]: With dead ends: 5176 [2023-04-01 22:53:27,375 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:53:27,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:53:27,382 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 135 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:27,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 322 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:53:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:53:27,387 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 22:53:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:53:27,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2023-04-01 22:53:27,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:27,389 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:53:27,389 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:53:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:53:27,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:53:27,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:53:27,403 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 22:53:27,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:27,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:53:28,489 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:53:28,490 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (<= 6 ~a15~0) (<= ~a12~0 80) (<= 9 |old(~a15~0)|) (<= ~a21~0 6) (< 0 (+ 49 |old(~a12~0)|)) (<= 10 ~a21~0) (< |old(~a15~0)| 6)) [2023-04-01 22:53:28,490 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:53:28,490 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 900) the Hoare annotation is: (or (<= 9 |old(~a15~0)|) (< 0 (+ 49 |old(~a12~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|)) (< |old(~a15~0)| 6)) [2023-04-01 22:53:28,490 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (or (<= 6 ~a15~0) (<= ~a12~0 80) (<= 9 |old(~a15~0)|) (<= ~a21~0 6) (< 0 (+ 49 |old(~a12~0)|)) (<= 10 ~a21~0) (< |old(~a15~0)| 6)) [2023-04-01 22:53:28,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:53:28,490 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 22:53:28,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:53:28,491 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:53:28,492 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,493 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:53:28,494 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:53:28,495 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:53:28,496 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:53:28,497 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:53:28,498 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,499 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,500 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:53:28,503 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:53:28,503 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:53:28,504 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:53:28,505 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:53:28,506 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:53:28,508 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:53:28,509 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:53:28,510 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse0 (and (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|)))) (and (or (and (< 6 |old(~a21~0)|) (< 80 |old(~a12~0)|)) .cse0) (or (< |old(~a21~0)| 10) .cse0) (or .cse0 (< |old(~a15~0)| 6)))) [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:53:28,511 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 6 ~a15~0) (< ~a15~0 9) (<= (+ 49 ~a12~0) 0)) [2023-04-01 22:53:28,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:53:28,512 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:53:28,515 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-01 22:53:28,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:53:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:53:28 BoogieIcfgContainer [2023-04-01 22:53:28,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:53:28,536 INFO L158 Benchmark]: Toolchain (without parser) took 16181.42ms. Allocated memory was 183.5MB in the beginning and 434.1MB in the end (delta: 250.6MB). Free memory was 132.9MB in the beginning and 311.4MB in the end (delta: -178.5MB). Peak memory consumption was 244.3MB. Max. memory is 8.0GB. [2023-04-01 22:53:28,537 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 183.5MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:53:28,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.91ms. Allocated memory is still 183.5MB. Free memory was 132.6MB in the beginning and 100.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-04-01 22:53:28,537 INFO L158 Benchmark]: Boogie Preprocessor took 133.82ms. Allocated memory is still 183.5MB. Free memory was 100.1MB in the beginning and 94.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-04-01 22:53:28,537 INFO L158 Benchmark]: RCFGBuilder took 1352.66ms. Allocated memory was 183.5MB in the beginning and 271.6MB in the end (delta: 88.1MB). Free memory was 94.5MB in the beginning and 140.4MB in the end (delta: -45.9MB). Peak memory consumption was 43.6MB. Max. memory is 8.0GB. [2023-04-01 22:53:28,538 INFO L158 Benchmark]: TraceAbstraction took 14080.77ms. Allocated memory was 271.6MB in the beginning and 434.1MB in the end (delta: 162.5MB). Free memory was 139.9MB in the beginning and 311.4MB in the end (delta: -171.5MB). Peak memory consumption was 161.9MB. Max. memory is 8.0GB. [2023-04-01 22:53:28,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 183.5MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 606.91ms. Allocated memory is still 183.5MB. Free memory was 132.6MB in the beginning and 100.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 133.82ms. Allocated memory is still 183.5MB. Free memory was 100.1MB in the beginning and 94.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1352.66ms. Allocated memory was 183.5MB in the beginning and 271.6MB in the end (delta: 88.1MB). Free memory was 94.5MB in the beginning and 140.4MB in the end (delta: -45.9MB). Peak memory consumption was 43.6MB. Max. memory is 8.0GB. * TraceAbstraction took 14080.77ms. Allocated memory was 271.6MB in the beginning and 434.1MB in the end (delta: 162.5MB). Free memory was 139.9MB in the beginning and 311.4MB in the end (delta: -171.5MB). Peak memory consumption was 161.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 152]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2149 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2149 mSDsluCounter, 870 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 145 mSDsCounter, 1433 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5928 IncrementalHoareTripleChecker+Invalid, 7361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1433 mSolverCounterUnsat, 725 mSDtfsCounter, 5928 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1441 GetRequests, 1389 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2042occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1144 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 51 PreInvPairs, 87 NumberOfFragments, 179 HoareAnnotationTreeSize, 51 FomulaSimplifications, 9167 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1126 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2364 NumberOfCodeBlocks, 2364 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2557 ConstructedInterpolants, 0 QuantifiedInterpolants, 7522 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2146 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1665/1678 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: (((((6 <= a15 || a12 <= 80) || 9 <= \old(a15)) || a21 <= 6) || 0 < 49 + \old(a12)) || 10 <= a21) || \old(a15) < 6 RESULT: Ultimate proved your program to be correct! [2023-04-01 22:53:28,558 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...