/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/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:19:43,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:19:43,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:19:43,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 20:19:43,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 20:19:43,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 20:19:44,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 20:19:44,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 20:19:44,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 20:19:44,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 20:19:44,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 20:19:44,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 20:19:44,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 20:19:44,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 20:19:44,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 20:19:44,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 20:19:44,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 20:19:44,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 20:19:44,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 20:19:44,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 20:19:44,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 20:19:44,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 20:19:44,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 20:19:44,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 20:19:44,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 20:19:44,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 20:19:44,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 20:19:44,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 20:19:44,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 20:19:44,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 20:19:44,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 20:19:44,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 20:19:44,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 20:19:44,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 20:19:44,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 20:19:44,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 20:19:44,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 20:19:44,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 20:19:44,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:19:44,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:19:44,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:19:44,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 20:19:44,066 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:19:44,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:19:44,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:19:44,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:19:44,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:19:44,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:19:44,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:19:44,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:19:44,069 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:19:44,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:19:44,069 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:19:44,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:19:44,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:19:44,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:19:44,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:19:44,071 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:19:44,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:19:44,072 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:19:44,072 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:19:44,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:19:44,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:19:44,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:19:44,300 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:19:44,300 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:19:44,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2023-04-01 20:19:45,514 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:19:45,921 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:19:45,922 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2023-04-01 20:19:45,946 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3615574d3/37815d101382452dbed4c4a55ef28b05/FLAG72d8d9213 [2023-04-01 20:19:45,955 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3615574d3/37815d101382452dbed4c4a55ef28b05 [2023-04-01 20:19:45,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:19:45,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:19:45,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:19:45,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:19:45,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:19:45,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:19:45" (1/1) ... [2023-04-01 20:19:45,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1993cca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:45, skipping insertion in model container [2023-04-01 20:19:45,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:19:45" (1/1) ... [2023-04-01 20:19:45,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:19:46,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:19:46,440 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/Problem01_label26.c[18357,18370] [2023-04-01 20:19:46,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:19:46,495 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:19:46,580 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/Problem01_label26.c[18357,18370] [2023-04-01 20:19:46,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:19:46,646 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:19:46,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46 WrapperNode [2023-04-01 20:19:46,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:19:46,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:19:46,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:19:46,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:19:46,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:19:46,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:19:46,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:19:46,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:19:46,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (1/1) ... [2023-04-01 20:19:46,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:19:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:46,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 20:19:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:19:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:19:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:19:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:19:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:19:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:19:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:19:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:19:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:19:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:19:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:19:46,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 20:19:46,904 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:19:46,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:19:47,701 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:19:47,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:19:47,710 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:19:47,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:19:47 BoogieIcfgContainer [2023-04-01 20:19:47,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:19:47,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:19:47,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:19:47,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:19:47,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:19:45" (1/3) ... [2023-04-01 20:19:47,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb51ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:19:47, skipping insertion in model container [2023-04-01 20:19:47,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:46" (2/3) ... [2023-04-01 20:19:47,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb51ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:19:47, skipping insertion in model container [2023-04-01 20:19:47,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:19:47" (3/3) ... [2023-04-01 20:19:47,720 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2023-04-01 20:19:47,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:19:47,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:19:47,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:19:47,790 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;@149ef6dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:19:47,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:19:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 20:19:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-01 20:19:47,803 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:47,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:47,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:47,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:47,808 INFO L85 PathProgramCache]: Analyzing trace with hash 538407136, now seen corresponding path program 1 times [2023-04-01 20:19:47,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:47,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769014016] [2023-04-01 20:19:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:47,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:48,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769014016] [2023-04-01 20:19:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769014016] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:48,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:19:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:19:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405916006] [2023-04-01 20:19:48,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:48,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:19:48,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:19:48,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:19:48,573 INFO L87 Difference]: Start difference. First operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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 35.0) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:19:49,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:49,457 INFO L93 Difference]: Finished difference Result 582 states and 980 transitions. [2023-04-01 20:19:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:19:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 109 [2023-04-01 20:19:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:49,468 INFO L225 Difference]: With dead ends: 582 [2023-04-01 20:19:49,469 INFO L226 Difference]: Without dead ends: 286 [2023-04-01 20:19:49,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:19:49,476 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 449 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:49,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 21 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:19:49,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-04-01 20:19:49,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2023-04-01 20:19:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 272 states have (on average 1.4227941176470589) internal successors, (387), 274 states have internal predecessors, (387), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:19:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 398 transitions. [2023-04-01 20:19:49,524 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 398 transitions. Word has length 109 [2023-04-01 20:19:49,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:49,525 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 398 transitions. [2023-04-01 20:19:49,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:19:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 398 transitions. [2023-04-01 20:19:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-01 20:19:49,527 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:49,527 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:49,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:19:49,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:49,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:49,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1947093946, now seen corresponding path program 1 times [2023-04-01 20:19:49,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:49,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890227240] [2023-04-01 20:19:49,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:49,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:49,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890227240] [2023-04-01 20:19:49,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890227240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:49,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:19:49,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:19:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326247911] [2023-04-01 20:19:49,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:49,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:19:49,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:49,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:19:49,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:49,805 INFO L87 Difference]: Start difference. First operand 282 states and 398 transitions. Second operand has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:19:50,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:50,571 INFO L93 Difference]: Finished difference Result 854 states and 1245 transitions. [2023-04-01 20:19:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 20:19:50,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 119 [2023-04-01 20:19:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:50,575 INFO L225 Difference]: With dead ends: 854 [2023-04-01 20:19:50,575 INFO L226 Difference]: Without dead ends: 578 [2023-04-01 20:19:50,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:19:50,576 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 895 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:50,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 39 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:19:50,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-04-01 20:19:50,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 558. [2023-04-01 20:19:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 541 states have (on average 1.4029574861367837) internal successors, (759), 546 states have internal predecessors, (759), 6 states have call successors, (6), 6 states have call predecessors, (6), 10 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-01 20:19:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2023-04-01 20:19:50,606 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 119 [2023-04-01 20:19:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:50,606 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2023-04-01 20:19:50,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:19:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2023-04-01 20:19:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-01 20:19:50,609 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:50,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:50,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:19:50,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:50,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:50,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2113886600, now seen corresponding path program 1 times [2023-04-01 20:19:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:50,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175140465] [2023-04-01 20:19:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:51,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:51,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175140465] [2023-04-01 20:19:51,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175140465] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427450646] [2023-04-01 20:19:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:51,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:51,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:51,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:19:51,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:19:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:51,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:51,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:51,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:51,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427450646] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:51,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:51,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:19:51,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664891671] [2023-04-01 20:19:51,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:51,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:51,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:19:51,664 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:19:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:52,011 INFO L93 Difference]: Finished difference Result 1658 states and 2384 transitions. [2023-04-01 20:19:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:52,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 120 [2023-04-01 20:19:52,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:52,016 INFO L225 Difference]: With dead ends: 1658 [2023-04-01 20:19:52,017 INFO L226 Difference]: Without dead ends: 1106 [2023-04-01 20:19:52,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:19:52,019 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 38 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:52,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 216 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:19:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2023-04-01 20:19:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 836. [2023-04-01 20:19:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 811 states have (on average 1.3057953144266339) internal successors, (1059), 820 states have internal predecessors, (1059), 8 states have call successors, (8), 8 states have call predecessors, (8), 16 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) [2023-04-01 20:19:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1115 transitions. [2023-04-01 20:19:52,051 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1115 transitions. Word has length 120 [2023-04-01 20:19:52,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:52,052 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1115 transitions. [2023-04-01 20:19:52,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:19:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1115 transitions. [2023-04-01 20:19:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-01 20:19:52,054 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:52,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:52,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:19:52,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:52,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:52,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1770649278, now seen corresponding path program 1 times [2023-04-01 20:19:52,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383079939] [2023-04-01 20:19:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:52,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:19:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:19:52,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:52,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383079939] [2023-04-01 20:19:52,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383079939] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:52,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793751613] [2023-04-01 20:19:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:52,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:19:52,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:19:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:52,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:52,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:52,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:19:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:52,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793751613] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:19:52,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:19:52,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:19:52,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808049160] [2023-04-01 20:19:52,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:19:52,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:19:52,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:52,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:19:52,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:19:52,749 INFO L87 Difference]: Start difference. First operand 836 states and 1115 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:19:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:55,067 INFO L93 Difference]: Finished difference Result 3192 states and 4746 transitions. [2023-04-01 20:19:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 20:19:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 140 [2023-04-01 20:19:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:55,081 INFO L225 Difference]: With dead ends: 3192 [2023-04-01 20:19:55,082 INFO L226 Difference]: Without dead ends: 2362 [2023-04-01 20:19:55,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2023-04-01 20:19:55,085 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 756 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:55,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 159 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 20:19:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2023-04-01 20:19:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2324. [2023-04-01 20:19:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 2231 states have (on average 1.238009861048857) internal successors, (2762), 2267 states have internal predecessors, (2762), 39 states have call successors, (39), 18 states have call predecessors, (39), 53 states have return successors, (497), 38 states have call predecessors, (497), 38 states have call successors, (497) [2023-04-01 20:19:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3298 transitions. [2023-04-01 20:19:55,177 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3298 transitions. Word has length 140 [2023-04-01 20:19:55,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:55,178 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3298 transitions. [2023-04-01 20:19:55,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:19:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3298 transitions. [2023-04-01 20:19:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 20:19:55,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:55,190 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:55,207 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 20:19:55,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 20:19:55,397 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:55,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:55,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2034052042, now seen corresponding path program 1 times [2023-04-01 20:19:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:55,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580221437] [2023-04-01 20:19:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-01 20:19:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:19:55,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:55,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580221437] [2023-04-01 20:19:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580221437] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:55,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121505685] [2023-04-01 20:19:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:55,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:55,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:19:55,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:19:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:55,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:55,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 20:19:55,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:55,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121505685] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:55,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:55,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 20:19:55,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797645405] [2023-04-01 20:19:55,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:55,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:55,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:55,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:55,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:55,954 INFO L87 Difference]: Start difference. First operand 2324 states and 3298 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:56,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:56,265 INFO L93 Difference]: Finished difference Result 4638 states and 6594 transitions. [2023-04-01 20:19:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:56,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 144 [2023-04-01 20:19:56,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:56,274 INFO L225 Difference]: With dead ends: 4638 [2023-04-01 20:19:56,274 INFO L226 Difference]: Without dead ends: 2324 [2023-04-01 20:19:56,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:56,281 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 44 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:56,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 50 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 20:19:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2023-04-01 20:19:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2324. [2023-04-01 20:19:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 2231 states have (on average 1.2155983863738233) internal successors, (2712), 2267 states have internal predecessors, (2712), 39 states have call successors, (39), 18 states have call predecessors, (39), 53 states have return successors, (484), 38 states have call predecessors, (484), 38 states have call successors, (484) [2023-04-01 20:19:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3235 transitions. [2023-04-01 20:19:56,350 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3235 transitions. Word has length 144 [2023-04-01 20:19:56,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:56,352 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3235 transitions. [2023-04-01 20:19:56,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3235 transitions. [2023-04-01 20:19:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-01 20:19:56,358 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:56,358 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:56,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-01 20:19:56,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:56,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:56,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:56,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1365736636, now seen corresponding path program 1 times [2023-04-01 20:19:56,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:56,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830945056] [2023-04-01 20:19:56,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:56,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:19:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:19:56,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:56,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830945056] [2023-04-01 20:19:56,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830945056] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:56,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845865707] [2023-04-01 20:19:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:56,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:56,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:19:56,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:19:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:56,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:56,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 20:19:56,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:56,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845865707] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:56,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:56,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 20:19:56,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820629174] [2023-04-01 20:19:56,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:56,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:56,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:56,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:56,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:56,992 INFO L87 Difference]: Start difference. First operand 2324 states and 3235 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:57,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:57,323 INFO L93 Difference]: Finished difference Result 6366 states and 9148 transitions. [2023-04-01 20:19:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:57,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 145 [2023-04-01 20:19:57,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:57,341 INFO L225 Difference]: With dead ends: 6366 [2023-04-01 20:19:57,341 INFO L226 Difference]: Without dead ends: 4052 [2023-04-01 20:19:57,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:57,351 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 43 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:57,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 231 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 20:19:57,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2023-04-01 20:19:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3907. [2023-04-01 20:19:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3757 states have (on average 1.196699494277349) internal successors, (4496), 3814 states have internal predecessors, (4496), 64 states have call successors, (64), 29 states have call predecessors, (64), 85 states have return successors, (926), 63 states have call predecessors, (926), 63 states have call successors, (926) [2023-04-01 20:19:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5486 transitions. [2023-04-01 20:19:57,465 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5486 transitions. Word has length 145 [2023-04-01 20:19:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:57,465 INFO L495 AbstractCegarLoop]: Abstraction has 3907 states and 5486 transitions. [2023-04-01 20:19:57,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5486 transitions. [2023-04-01 20:19:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-01 20:19:57,521 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:57,521 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:57,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:19:57,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:57,727 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:57,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:57,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1717209468, now seen corresponding path program 1 times [2023-04-01 20:19:57,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:57,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355034490] [2023-04-01 20:19:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:57,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-01 20:19:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 54 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:19:58,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355034490] [2023-04-01 20:19:58,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355034490] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362176266] [2023-04-01 20:19:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:58,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:58,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:58,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:19:58,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 20:19:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:58,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:58,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:58,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:19:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362176266] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:19:58,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:19:58,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:19:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915361920] [2023-04-01 20:19:58,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:19:58,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:19:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:19:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:19:58,288 INFO L87 Difference]: Start difference. First operand 3907 states and 5486 transitions. Second operand has 12 states, 12 states have (on average 18.25) internal successors, (219), 10 states have internal predecessors, (219), 4 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:20:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:20:00,737 INFO L93 Difference]: Finished difference Result 9927 states and 13840 transitions. [2023-04-01 20:20:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-01 20:20:00,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.25) internal successors, (219), 10 states have internal predecessors, (219), 4 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 169 [2023-04-01 20:20:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:20:00,755 INFO L225 Difference]: With dead ends: 9927 [2023-04-01 20:20:00,755 INFO L226 Difference]: Without dead ends: 5140 [2023-04-01 20:20:00,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 358 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2023-04-01 20:20:00,770 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1391 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:20:00,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 136 Invalid, 3190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 20:20:00,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5140 states. [2023-04-01 20:20:00,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5140 to 4542. [2023-04-01 20:20:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4542 states, 4389 states have (on average 1.0802005012531328) internal successors, (4741), 4452 states have internal predecessors, (4741), 56 states have call successors, (56), 34 states have call predecessors, (56), 96 states have return successors, (429), 55 states have call predecessors, (429), 55 states have call successors, (429) [2023-04-01 20:20:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 5226 transitions. [2023-04-01 20:20:00,892 INFO L78 Accepts]: Start accepts. Automaton has 4542 states and 5226 transitions. Word has length 169 [2023-04-01 20:20:00,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:20:00,892 INFO L495 AbstractCegarLoop]: Abstraction has 4542 states and 5226 transitions. [2023-04-01 20:20:00,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.25) internal successors, (219), 10 states have internal predecessors, (219), 4 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:20:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4542 states and 5226 transitions. [2023-04-01 20:20:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-01 20:20:00,903 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:20:00,903 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:20:00,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 20:20:01,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:20:01,110 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:20:01,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:20:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1630365888, now seen corresponding path program 1 times [2023-04-01 20:20:01,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:20:01,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097797067] [2023-04-01 20:20:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:20:01,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:20:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:20:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:20:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:20:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:20:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-01 20:20:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:20:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 127 proven. 38 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-04-01 20:20:01,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:20:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097797067] [2023-04-01 20:20:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097797067] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:20:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915132189] [2023-04-01 20:20:01,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:20:01,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:20:01,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:20:01,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:20:01,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 20:20:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:20:01,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:20:01,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:20:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:20:01,767 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:20:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:20:01,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915132189] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:20:01,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:20:01,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-04-01 20:20:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27740998] [2023-04-01 20:20:01,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:20:01,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:20:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:20:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:20:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:20:01,932 INFO L87 Difference]: Start difference. First operand 4542 states and 5226 transitions. Second operand has 12 states, 12 states have (on average 26.0) internal successors, (312), 10 states have internal predecessors, (312), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 20:20:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:20:03,224 INFO L93 Difference]: Finished difference Result 10963 states and 12767 transitions. [2023-04-01 20:20:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 20:20:03,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 26.0) internal successors, (312), 10 states have internal predecessors, (312), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 234 [2023-04-01 20:20:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:20:03,225 INFO L225 Difference]: With dead ends: 10963 [2023-04-01 20:20:03,225 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:20:03,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 485 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2023-04-01 20:20:03,243 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 1814 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:20:03,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 88 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:20:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:20:03,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:20:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 20:20:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:20:03,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2023-04-01 20:20:03,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:20:03,244 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:20:03,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 26.0) internal successors, (312), 10 states have internal predecessors, (312), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 20:20:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:20:03,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:20:03,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:20:03,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 20:20:03,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:20:03,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:20:09,899 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:20:09,899 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:20:09,899 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:20:09,900 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (= ~a21~0 1)) (.cse10 (= ~a7~0 0)) (.cse5 (= ~a20~0 1)) (.cse6 (<= ~a8~0 13)) (.cse11 (<= ~a17~0 0)) (.cse1 (<= 5 ~a16~0)) (.cse4 (<= ~a16~0 5)) (.cse0 (< 14 |old(~a8~0)|)) (.cse9 (<= ~a20~0 0)) (.cse12 (not (= ~a7~0 1))) (.cse7 (= ~a17~0 1)) (.cse8 (= ~a16~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8) (and .cse0 .cse6 .cse3 .cse5 .cse8) (and .cse0 .cse9 .cse1 .cse10 .cse7) (and .cse0 .cse9 .cse2 .cse7 .cse8) (not (= |old(~a7~0)| 0)) (and .cse0 .cse2 .cse3 .cse10 .cse5 .cse8) (and .cse0 .cse6 .cse1 .cse7) (and .cse0 .cse1 .cse11 .cse3 .cse5) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse0 .cse9 .cse11 .cse8) (and .cse0 .cse9 .cse1 .cse11 .cse10) (and .cse0 .cse6 .cse11 .cse8) (and .cse0 .cse6 .cse1 .cse3 .cse10 .cse5) (and .cse11 .cse3 .cse10 (<= ~a8~0 |old(~a8~0)|) .cse5 (<= 15 ~a8~0) .cse8) (and .cse3 (= ~a16~0 |old(~a16~0)|) .cse10 .cse7 .cse5 (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (and .cse0 .cse9 .cse1 .cse11 .cse4) (< 5 |old(~a16~0)|) (and .cse0 .cse6 .cse1 .cse11) (not (= |old(~a20~0)| 1)) (and .cse0 .cse9 .cse1 .cse12 .cse7 .cse4) (and .cse0 .cse9 .cse12 .cse7 .cse8))) [2023-04-01 20:20:09,900 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:20:09,900 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-04-01 20:20:09,900 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-01 20:20:09,900 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (= ~a21~0 1)) (.cse10 (= ~a7~0 0)) (.cse5 (= ~a20~0 1)) (.cse6 (<= ~a8~0 13)) (.cse11 (<= ~a17~0 0)) (.cse1 (<= 5 ~a16~0)) (.cse4 (<= ~a16~0 5)) (.cse0 (< 14 |old(~a8~0)|)) (.cse9 (<= ~a20~0 0)) (.cse12 (not (= ~a7~0 1))) (.cse7 (= ~a17~0 1)) (.cse8 (= ~a16~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8) (and .cse0 .cse6 .cse3 .cse5 .cse8) (and .cse0 .cse9 .cse1 .cse10 .cse7) (and .cse0 .cse9 .cse2 .cse7 .cse8) (not (= |old(~a7~0)| 0)) (and .cse0 .cse2 .cse3 .cse10 .cse5 .cse8) (and .cse0 .cse6 .cse1 .cse7) (and .cse0 .cse1 .cse11 .cse3 .cse5) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse0 .cse9 .cse11 .cse8) (and .cse0 .cse9 .cse1 .cse11 .cse10) (and .cse0 .cse6 .cse11 .cse8) (and .cse0 .cse6 .cse1 .cse3 .cse10 .cse5) (and .cse11 .cse3 .cse10 (<= ~a8~0 |old(~a8~0)|) .cse5 (<= 15 ~a8~0) .cse8) (and .cse3 (= ~a16~0 |old(~a16~0)|) .cse10 .cse7 .cse5 (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (and .cse0 .cse9 .cse1 .cse11 .cse4) (< 5 |old(~a16~0)|) (and .cse0 .cse6 .cse1 .cse11) (not (= |old(~a20~0)| 1)) (and .cse0 .cse9 .cse1 .cse12 .cse7 .cse4) (and .cse0 .cse9 .cse12 .cse7 .cse8))) [2023-04-01 20:20:09,900 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:20:09,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (not (= |old(~a7~0)| 0)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and (= ~a21~0 1) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 0) (= ~a17~0 1) (= ~a20~0 1) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1))) [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~b~0 |old(~b~0)|) (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~a7~0 |old(~a7~0)|) (= ~z~0 |old(~z~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a16~0 |old(~a16~0)|) (= ~x~0 |old(~x~0)|) (= ~a8~0 |old(~a8~0)|) (= ~d~0 |old(~d~0)|) (= ~a20~0 |old(~a20~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-04-01 20:20:09,901 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,902 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 495) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-04-01 20:20:09,903 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-01 20:20:09,904 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,905 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,906 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-04-01 20:20:09,908 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,909 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,910 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-01 20:20:09,911 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse24 (= ~a17~0 1)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse27 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse17 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a21~0 1)) (.cse23 (= ~a7~0 0)) (.cse19 (= ~a20~0 1)) (.cse16 (= ~a8~0 |old(~a8~0)|)) (.cse20 (= ~a16~0 4))) (let ((.cse8 (and .cse13 .cse14 .cse23 .cse19 .cse16 .cse20)) (.cse22 (and .cse27 .cse12 .cse13 .cse16 .cse17 .cse20)) (.cse3 (= |old(~a7~0)| 1)) (.cse10 (not (= |old(~a21~0)| 1))) (.cse5 (< 5 |old(~a16~0)|)) (.cse11 (not (= |old(~a20~0)| 1))) (.cse9 (< 0 |old(~a17~0)|)) (.cse25 (and .cse27 .cse12 .cse13 .cse15 .cse16 .cse17)) (.cse7 (not (= |old(~a7~0)| 0))) (.cse1 (< |old(~a16~0)| 5)) (.cse21 (< 14 |old(~a8~0)|)) (.cse0 (< 0 |old(~a20~0)|)) (.cse4 (and .cse27 .cse12 .cse15 .cse24 .cse16 .cse17)) (.cse6 (not (= 4 |old(~a16~0)|))) (.cse18 (< 13 |old(~a8~0)|)) (.cse2 (not (= |old(~a17~0)| 1))) (.cse26 (and .cse27 .cse12 .cse24 .cse16 .cse17 .cse20))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse9 .cse1 .cse10 .cse11) (or .cse6 .cse18 .cse10 (and .cse12 .cse13 .cse14 .cse19 .cse16 .cse20) .cse11) (or .cse6 .cse21 .cse7 .cse8 .cse10 .cse11) (or .cse6 .cse22 .cse9 .cse18) (or .cse6 .cse22 .cse9 .cse0) (or .cse7 .cse1 .cse10 (and .cse14 .cse15 .cse23 .cse24 .cse19 .cse16) .cse2 .cse5 .cse11) (or .cse9 .cse0 .cse1 .cse25 .cse5) (or .cse6 .cse0 .cse2 .cse26 .cse3) (or (and .cse13 .cse14 .cse15 .cse23 .cse19 .cse16) .cse7 .cse18 .cse1 .cse10 .cse11) (or .cse18 .cse1 .cse2 .cse4) (or (and .cse27 .cse13 .cse15 .cse23 .cse16 .cse17) .cse7 .cse9 .cse0 .cse1) (or .cse21 (and .cse12 .cse13 .cse14 .cse15 .cse19 .cse16) .cse1 .cse10 .cse5 .cse11) (or .cse9 .cse18 .cse1 .cse25) (or .cse7 (and .cse27 .cse15 .cse23 .cse24 .cse16 .cse17) .cse0 .cse1 .cse2) (or .cse6 .cse21 .cse0 .cse2 .cse4) (or .cse6 .cse18 .cse2 .cse26)))) [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,912 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-04-01 20:20:09,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:20:09,914 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 5 ~a16~0) (= ~a21~0 1) (= ~a7~0 0) (= ~a17~0 1) (<= ~a16~0 5) (= ~a20~0 1)) [2023-04-01 20:20:09,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:20:09,914 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:20:09,916 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:20:09,917 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:20:09,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:20:09 BoogieIcfgContainer [2023-04-01 20:20:09,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:20:09,934 INFO L158 Benchmark]: Toolchain (without parser) took 23975.31ms. Allocated memory was 189.8MB in the beginning and 687.9MB in the end (delta: 498.1MB). Free memory was 129.5MB in the beginning and 446.4MB in the end (delta: -316.9MB). Peak memory consumption was 403.8MB. Max. memory is 8.0GB. [2023-04-01 20:20:09,935 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:20:09,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.93ms. Allocated memory was 189.8MB in the beginning and 285.2MB in the end (delta: 95.4MB). Free memory was 129.3MB in the beginning and 249.7MB in the end (delta: -120.4MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. [2023-04-01 20:20:09,935 INFO L158 Benchmark]: Boogie Preprocessor took 88.20ms. Allocated memory is still 285.2MB. Free memory was 249.7MB in the beginning and 245.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 20:20:09,935 INFO L158 Benchmark]: RCFGBuilder took 963.63ms. Allocated memory is still 285.2MB. Free memory was 245.0MB in the beginning and 167.9MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2023-04-01 20:20:09,935 INFO L158 Benchmark]: TraceAbstraction took 22218.59ms. Allocated memory was 285.2MB in the beginning and 687.9MB in the end (delta: 402.7MB). Free memory was 167.4MB in the beginning and 446.4MB in the end (delta: -279.0MB). Peak memory consumption was 344.9MB. Max. memory is 8.0GB. [2023-04-01 20:20:09,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 685.93ms. Allocated memory was 189.8MB in the beginning and 285.2MB in the end (delta: 95.4MB). Free memory was 129.3MB in the beginning and 249.7MB in the end (delta: -120.4MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.20ms. Allocated memory is still 285.2MB. Free memory was 249.7MB in the beginning and 245.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 963.63ms. Allocated memory is still 285.2MB. Free memory was 245.0MB in the beginning and 167.9MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * TraceAbstraction took 22218.59ms. Allocated memory was 285.2MB in the beginning and 687.9MB in the end (delta: 402.7MB). Free memory was 167.4MB in the beginning and 446.4MB in the end (delta: -279.0MB). Peak memory consumption was 344.9MB. 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: 495]: 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, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5450 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5430 mSDsluCounter, 940 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 1380 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9635 IncrementalHoareTripleChecker+Invalid, 11015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1380 mSolverCounterUnsat, 560 mSDtfsCounter, 9635 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1666 GetRequests, 1557 SyntacticMatches, 4 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4542occurred in iteration=7, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 1075 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 289 PreInvPairs, 457 NumberOfFragments, 1382 HoareAnnotationTreeSize, 289 FomulaSimplifications, 48609 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8394 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2132 NumberOfCodeBlocks, 2132 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2658 ConstructedInterpolants, 0 QuantifiedInterpolants, 7860 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2931 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1190/1276 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: 593]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((14 < \old(a8) && 5 <= a16) && a8 <= 14) && a21 == 1) && a16 <= 5) && a20 == 1) || (((14 < \old(a8) && a8 <= 13) && a17 == 1) && a16 == 4)) || ((((14 < \old(a8) && a8 <= 13) && a21 == 1) && a20 == 1) && a16 == 4)) || ((((14 < \old(a8) && a20 <= 0) && 5 <= a16) && a7 == 0) && a17 == 1)) || ((((14 < \old(a8) && a20 <= 0) && a8 <= 14) && a17 == 1) && a16 == 4)) || !(\old(a7) == 0)) || (((((14 < \old(a8) && a8 <= 14) && a21 == 1) && a7 == 0) && a20 == 1) && a16 == 4)) || (((14 < \old(a8) && a8 <= 13) && 5 <= a16) && a17 == 1)) || ((((14 < \old(a8) && 5 <= a16) && a17 <= 0) && a21 == 1) && a20 == 1)) || \old(a16) < 5) || !(\old(a21) == 1)) || (((14 < \old(a8) && a20 <= 0) && a17 <= 0) && a16 == 4)) || ((((14 < \old(a8) && a20 <= 0) && 5 <= a16) && a17 <= 0) && a7 == 0)) || (((14 < \old(a8) && a8 <= 13) && a17 <= 0) && a16 == 4)) || (((((14 < \old(a8) && a8 <= 13) && 5 <= a16) && a21 == 1) && a7 == 0) && a20 == 1)) || ((((((a17 <= 0 && a21 == 1) && a7 == 0) && a8 <= \old(a8)) && a20 == 1) && 15 <= a8) && a16 == 4)) || (((((a21 == 1 && a16 == \old(a16)) && a7 == 0) && a17 == 1) && a20 == 1) && a8 == \old(a8))) || !(\old(a17) == 1)) || ((((14 < \old(a8) && a20 <= 0) && 5 <= a16) && a17 <= 0) && a16 <= 5)) || 5 < \old(a16)) || (((14 < \old(a8) && a8 <= 13) && 5 <= a16) && a17 <= 0)) || !(\old(a20) == 1)) || (((((14 < \old(a8) && a20 <= 0) && 5 <= a16) && !(a7 == 1)) && a17 == 1) && a16 <= 5)) || ((((14 < \old(a8) && a20 <= 0) && !(a7 == 1)) && a17 == 1) && a16 == 4) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:20:09,954 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...