/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:13:41,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:13:41,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:13:41,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 22:13:41,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 22:13:41,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 22:13:41,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 22:13:41,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 22:13:41,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 22:13:41,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 22:13:41,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 22:13:41,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 22:13:41,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 22:13:41,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 22:13:41,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 22:13:41,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 22:13:41,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 22:13:41,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 22:13:41,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 22:13:41,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 22:13:41,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 22:13:41,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 22:13:41,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 22:13:41,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 22:13:41,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 22:13:41,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 22:13:41,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 22:13:41,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 22:13:41,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 22:13:41,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 22:13:41,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 22:13:41,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 22:13:41,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 22:13:41,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 22:13:41,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 22:13:41,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 22:13:41,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 22:13:41,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 22:13:41,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 22:13:41,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 22:13:41,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 22:13:41,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:13:41,170 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:13:41,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:13:41,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:13:41,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:13:41,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:13:41,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:13:41,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:13:41,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:13:41,172 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:13:41,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:13:41,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:13:41,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:41,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:13:41,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:13:41,175 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:13:41,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:13:41,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:13:41,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:13:41,377 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:13:41,378 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:13:41,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2023-04-01 22:13:42,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:13:42,668 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:13:42,668 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2023-04-01 22:13:42,681 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14619f762/81ade773f7144de5953148c1216af340/FLAG624069ddd [2023-04-01 22:13:42,694 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14619f762/81ade773f7144de5953148c1216af340 [2023-04-01 22:13:42,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:13:42,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:13:42,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:42,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:13:42,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:13:42,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:42" (1/1) ... [2023-04-01 22:13:42,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46eee88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:42, skipping insertion in model container [2023-04-01 22:13:42,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:42" (1/1) ... [2023-04-01 22:13:42,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:13:42,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:13:42,913 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2023-04-01 22:13:43,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:43,028 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:13:43,058 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2023-04-01 22:13:43,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:43,119 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:13:43,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43 WrapperNode [2023-04-01 22:13:43,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:43,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:13:43,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:13:43,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:13:43,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:13:43,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:13:43,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:13:43,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:13:43,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (1/1) ... [2023-04-01 22:13:43,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:43,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:43,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 22:13:43,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 22:13:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:13:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:13:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:13:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:13:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:13:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:13:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:13:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:13:43,292 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:13:43,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:13:43,983 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:13:43,988 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:13:43,988 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:13:43,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:43 BoogieIcfgContainer [2023-04-01 22:13:43,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:13:43,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:13:43,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:13:43,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:13:43,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:13:42" (1/3) ... [2023-04-01 22:13:43,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2665b8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:43, skipping insertion in model container [2023-04-01 22:13:43,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:43" (2/3) ... [2023-04-01 22:13:43,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2665b8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:43, skipping insertion in model container [2023-04-01 22:13:43,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:43" (3/3) ... [2023-04-01 22:13:43,995 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2023-04-01 22:13:44,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:13:44,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:13:44,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:13:44,047 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;@796b72cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:13:44,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:13:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-04-01 22:13:44,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:44,060 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] [2023-04-01 22:13:44,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:44,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:44,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1699783905, now seen corresponding path program 1 times [2023-04-01 22:13:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:44,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080975290] [2023-04-01 22:13:44,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:44,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:44,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:44,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080975290] [2023-04-01 22:13:44,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080975290] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:44,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:44,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:13:44,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257143057] [2023-04-01 22:13:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:44,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:13:44,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:44,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:13:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:13:44,487 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:45,253 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2023-04-01 22:13:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:13:45,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 70 [2023-04-01 22:13:45,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:45,262 INFO L225 Difference]: With dead ends: 596 [2023-04-01 22:13:45,263 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 22:13:45,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:13:45,268 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 500 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:45,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 21 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:13:45,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 22:13:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2023-04-01 22:13:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 288 states have (on average 1.4548611111111112) internal successors, (419), 290 states have internal predecessors, (419), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:13:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2023-04-01 22:13:45,307 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 70 [2023-04-01 22:13:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:45,308 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2023-04-01 22:13:45,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2023-04-01 22:13:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 22:13:45,311 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:45,312 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:45,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:13:45,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:45,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1040564508, now seen corresponding path program 1 times [2023-04-01 22:13:45,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:45,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219882385] [2023-04-01 22:13:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:45,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:45,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219882385] [2023-04-01 22:13:45,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219882385] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:45,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:45,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:13:45,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444176527] [2023-04-01 22:13:45,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:45,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:13:45,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:45,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:13:45,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:45,721 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:46,662 INFO L93 Difference]: Finished difference Result 908 states and 1351 transitions. [2023-04-01 22:13:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 22:13:46,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 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 144 [2023-04-01 22:13:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:46,666 INFO L225 Difference]: With dead ends: 908 [2023-04-01 22:13:46,666 INFO L226 Difference]: Without dead ends: 616 [2023-04-01 22:13:46,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:46,668 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 751 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:46,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 51 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:13:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-04-01 22:13:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 596. [2023-04-01 22:13:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 576 states have (on average 1.296875) internal successors, (747), 584 states have internal predecessors, (747), 6 states have call successors, (6), 6 states have call predecessors, (6), 13 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-01 22:13:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 782 transitions. [2023-04-01 22:13:46,693 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 782 transitions. Word has length 144 [2023-04-01 22:13:46,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:46,693 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 782 transitions. [2023-04-01 22:13:46,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 782 transitions. [2023-04-01 22:13:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 22:13:46,696 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:46,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:46,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:13:46,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:46,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:46,697 INFO L85 PathProgramCache]: Analyzing trace with hash -351302335, now seen corresponding path program 1 times [2023-04-01 22:13:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:46,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576787253] [2023-04-01 22:13:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:47,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:47,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576787253] [2023-04-01 22:13:47,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576787253] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979914251] [2023-04-01 22:13:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:47,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:47,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:47,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:47,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:13:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:47,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:47,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:47,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:47,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979914251] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:47,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:47,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 22:13:47,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800544134] [2023-04-01 22:13:47,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:47,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:47,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:47,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:47,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:13:47,360 INFO L87 Difference]: Start difference. First operand 596 states and 782 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:47,782 INFO L93 Difference]: Finished difference Result 1035 states and 1406 transitions. [2023-04-01 22:13:47,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:47,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 149 [2023-04-01 22:13:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:47,788 INFO L225 Difference]: With dead ends: 1035 [2023-04-01 22:13:47,788 INFO L226 Difference]: Without dead ends: 1033 [2023-04-01 22:13:47,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:13:47,790 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 123 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:47,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 24 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:13:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2023-04-01 22:13:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 745. [2023-04-01 22:13:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 720 states have (on average 1.3416666666666666) internal successors, (966), 731 states have internal predecessors, (966), 7 states have call successors, (7), 7 states have call predecessors, (7), 17 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2023-04-01 22:13:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1022 transitions. [2023-04-01 22:13:47,818 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1022 transitions. Word has length 149 [2023-04-01 22:13:47,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:47,820 INFO L495 AbstractCegarLoop]: Abstraction has 745 states and 1022 transitions. [2023-04-01 22:13:47,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1022 transitions. [2023-04-01 22:13:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-01 22:13:47,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:47,830 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:47,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 22:13:48,034 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 22:13:48,035 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:48,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1969310652, now seen corresponding path program 1 times [2023-04-01 22:13:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203170573] [2023-04-01 22:13:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:48,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:48,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203170573] [2023-04-01 22:13:48,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203170573] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:48,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:48,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:13:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303487478] [2023-04-01 22:13:48,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:48,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:13:48,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:48,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:13:48,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:48,370 INFO L87 Difference]: Start difference. First operand 745 states and 1022 transitions. Second operand has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:49,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:49,106 INFO L93 Difference]: Finished difference Result 2106 states and 2997 transitions. [2023-04-01 22:13:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:13:49,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 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 192 [2023-04-01 22:13:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:49,111 INFO L225 Difference]: With dead ends: 2106 [2023-04-01 22:13:49,111 INFO L226 Difference]: Without dead ends: 1367 [2023-04-01 22:13:49,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:49,113 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 732 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:49,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 39 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:13:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2023-04-01 22:13:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1192. [2023-04-01 22:13:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1152 states have (on average 1.2786458333333333) internal successors, (1473), 1172 states have internal predecessors, (1473), 10 states have call successors, (10), 10 states have call predecessors, (10), 29 states have return successors, (97), 9 states have call predecessors, (97), 9 states have call successors, (97) [2023-04-01 22:13:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1580 transitions. [2023-04-01 22:13:49,136 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1580 transitions. Word has length 192 [2023-04-01 22:13:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:49,136 INFO L495 AbstractCegarLoop]: Abstraction has 1192 states and 1580 transitions. [2023-04-01 22:13:49,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1580 transitions. [2023-04-01 22:13:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-01 22:13:49,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:49,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:49,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:13:49,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:49,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:49,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1702035988, now seen corresponding path program 1 times [2023-04-01 22:13:49,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:49,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563529580] [2023-04-01 22:13:49,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:49,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:13:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:49,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:49,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563529580] [2023-04-01 22:13:49,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563529580] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:49,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210027076] [2023-04-01 22:13:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:49,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:49,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:49,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:49,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:13:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:49,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:49,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:49,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:49,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210027076] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:49,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:49,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2023-04-01 22:13:49,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137986446] [2023-04-01 22:13:49,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:49,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:13:49,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:13:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:49,938 INFO L87 Difference]: Start difference. First operand 1192 states and 1580 transitions. Second operand has 13 states, 13 states have (on average 30.153846153846153) internal successors, (392), 11 states have internal predecessors, (392), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:52,284 INFO L93 Difference]: Finished difference Result 4142 states and 5732 transitions. [2023-04-01 22:13:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 22:13:52,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 30.153846153846153) internal successors, (392), 11 states have internal predecessors, (392), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 231 [2023-04-01 22:13:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:52,292 INFO L225 Difference]: With dead ends: 4142 [2023-04-01 22:13:52,292 INFO L226 Difference]: Without dead ends: 2811 [2023-04-01 22:13:52,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 477 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=432, Invalid=1290, Unknown=0, NotChecked=0, Total=1722 [2023-04-01 22:13:52,295 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2767 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 3463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:52,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 128 Invalid, 3463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:13:52,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2023-04-01 22:13:52,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2074. [2023-04-01 22:13:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 2010 states have (on average 1.1955223880597015) internal successors, (2403), 2042 states have internal predecessors, (2403), 16 states have call successors, (16), 16 states have call predecessors, (16), 47 states have return successors, (212), 15 states have call predecessors, (212), 15 states have call successors, (212) [2023-04-01 22:13:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2631 transitions. [2023-04-01 22:13:52,332 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2631 transitions. Word has length 231 [2023-04-01 22:13:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:52,333 INFO L495 AbstractCegarLoop]: Abstraction has 2074 states and 2631 transitions. [2023-04-01 22:13:52,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 30.153846153846153) internal successors, (392), 11 states have internal predecessors, (392), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2631 transitions. [2023-04-01 22:13:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-04-01 22:13:52,335 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:52,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:13:52,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 22:13:52,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:52,541 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:52,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1011260497, now seen corresponding path program 1 times [2023-04-01 22:13:52,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:52,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696971377] [2023-04-01 22:13:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:52,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696971377] [2023-04-01 22:13:52,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696971377] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:52,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65666043] [2023-04-01 22:13:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:52,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:52,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:52,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:52,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:13:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:52,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:52,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:52,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:53,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65666043] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:53,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:53,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:13:53,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239693129] [2023-04-01 22:13:53,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:53,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:13:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:53,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:13:53,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:53,235 INFO L87 Difference]: Start difference. First operand 2074 states and 2631 transitions. Second operand has 11 states, 11 states have (on average 38.36363636363637) internal successors, (422), 9 states have internal predecessors, (422), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:13:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:54,228 INFO L93 Difference]: Finished difference Result 4611 states and 5962 transitions. [2023-04-01 22:13:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:13:54,228 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 38.36363636363637) internal successors, (422), 9 states have internal predecessors, (422), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 238 [2023-04-01 22:13:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:54,237 INFO L225 Difference]: With dead ends: 4611 [2023-04-01 22:13:54,237 INFO L226 Difference]: Without dead ends: 2543 [2023-04-01 22:13:54,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 479 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-04-01 22:13:54,241 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1018 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:54,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 91 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:13:54,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2023-04-01 22:13:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2231. [2023-04-01 22:13:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2158 states have (on average 1.1867469879518073) internal successors, (2561), 2197 states have internal predecessors, (2561), 17 states have call successors, (17), 17 states have call predecessors, (17), 55 states have return successors, (252), 16 states have call predecessors, (252), 16 states have call successors, (252) [2023-04-01 22:13:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2830 transitions. [2023-04-01 22:13:54,287 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2830 transitions. Word has length 238 [2023-04-01 22:13:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:54,287 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2830 transitions. [2023-04-01 22:13:54,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 38.36363636363637) internal successors, (422), 9 states have internal predecessors, (422), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:13:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2830 transitions. [2023-04-01 22:13:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-04-01 22:13:54,290 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:54,290 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:54,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:54,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:54,496 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:54,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:54,497 INFO L85 PathProgramCache]: Analyzing trace with hash -330956229, now seen corresponding path program 1 times [2023-04-01 22:13:54,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:54,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775185035] [2023-04-01 22:13:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-01 22:13:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:13:55,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775185035] [2023-04-01 22:13:55,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775185035] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271161008] [2023-04-01 22:13:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:55,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:55,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:55,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:13:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:55,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:13:55,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 22:13:55,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:55,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271161008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:55,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:55,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:13:55,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666668590] [2023-04-01 22:13:55,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:55,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:13:55,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:55,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:13:55,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:55,285 INFO L87 Difference]: Start difference. First operand 2231 states and 2830 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:55,747 INFO L93 Difference]: Finished difference Result 4623 states and 5865 transitions. [2023-04-01 22:13:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:13:55,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 248 [2023-04-01 22:13:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:55,754 INFO L225 Difference]: With dead ends: 4623 [2023-04-01 22:13:55,754 INFO L226 Difference]: Without dead ends: 2398 [2023-04-01 22:13:55,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:55,758 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 253 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:55,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 47 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:13:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2023-04-01 22:13:55,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2239. [2023-04-01 22:13:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 2162 states have (on average 1.179463459759482) internal successors, (2550), 2205 states have internal predecessors, (2550), 17 states have call successors, (17), 17 states have call predecessors, (17), 59 states have return successors, (254), 16 states have call predecessors, (254), 16 states have call successors, (254) [2023-04-01 22:13:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2821 transitions. [2023-04-01 22:13:55,803 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2821 transitions. Word has length 248 [2023-04-01 22:13:55,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:55,803 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 2821 transitions. [2023-04-01 22:13:55,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2821 transitions. [2023-04-01 22:13:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-04-01 22:13:55,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:55,808 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:55,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:56,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:56,013 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:56,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -301833965, now seen corresponding path program 1 times [2023-04-01 22:13:56,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:56,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725487272] [2023-04-01 22:13:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-01 22:13:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-04-01 22:13:56,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:56,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725487272] [2023-04-01 22:13:56,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725487272] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:56,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435731680] [2023-04-01 22:13:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:56,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:56,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:13:56,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:13:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:56,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-01 22:13:56,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 22:13:57,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 194 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:13:59,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435731680] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:59,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:59,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2023-04-01 22:13:59,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664179288] [2023-04-01 22:13:59,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:59,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:13:59,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:59,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:13:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:13:59,003 INFO L87 Difference]: Start difference. First operand 2239 states and 2821 transitions. Second operand has 18 states, 18 states have (on average 38.833333333333336) internal successors, (699), 16 states have internal predecessors, (699), 7 states have call successors, (13), 10 states have call predecessors, (13), 9 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-04-01 22:14:02,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:14:02,425 INFO L93 Difference]: Finished difference Result 6741 states and 8786 transitions. [2023-04-01 22:14:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-04-01 22:14:02,425 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 38.833333333333336) internal successors, (699), 16 states have internal predecessors, (699), 7 states have call successors, (13), 10 states have call predecessors, (13), 9 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 363 [2023-04-01 22:14:02,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:14:02,438 INFO L225 Difference]: With dead ends: 6741 [2023-04-01 22:14:02,438 INFO L226 Difference]: Without dead ends: 4651 [2023-04-01 22:14:02,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 765 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=788, Invalid=3634, Unknown=0, NotChecked=0, Total=4422 [2023-04-01 22:14:02,444 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5375 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 3514 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5380 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 4709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 3514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:14:02,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5380 Valid, 148 Invalid, 4709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 22:14:02,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2023-04-01 22:14:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4321. [2023-04-01 22:14:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 4176 states have (on average 1.128831417624521) internal successors, (4714), 4259 states have internal predecessors, (4714), 31 states have call successors, (31), 31 states have call predecessors, (31), 113 states have return successors, (419), 30 states have call predecessors, (419), 30 states have call successors, (419) [2023-04-01 22:14:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5164 transitions. [2023-04-01 22:14:02,599 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5164 transitions. Word has length 363 [2023-04-01 22:14:02,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:14:02,599 INFO L495 AbstractCegarLoop]: Abstraction has 4321 states and 5164 transitions. [2023-04-01 22:14:02,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 38.833333333333336) internal successors, (699), 16 states have internal predecessors, (699), 7 states have call successors, (13), 10 states have call predecessors, (13), 9 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-04-01 22:14:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5164 transitions. [2023-04-01 22:14:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-04-01 22:14:02,607 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:14:02,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:14:02,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-01 22:14:02,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:02,826 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:14:02,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:14:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash 998378224, now seen corresponding path program 1 times [2023-04-01 22:14:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:14:02,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42533381] [2023-04-01 22:14:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:14:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:14:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:14:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-01 22:14:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-01 22:14:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-04-01 22:14:03,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:14:03,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42533381] [2023-04-01 22:14:03,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42533381] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:14:03,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780827592] [2023-04-01 22:14:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:03,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:14:03,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:14:03,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:14:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:03,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:14:03,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:14:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-04-01 22:14:03,685 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:14:03,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780827592] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:14:03,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:14:03,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:14:03,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069576165] [2023-04-01 22:14:03,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:14:03,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:14:03,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:14:03,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:14:03,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:14:03,687 INFO L87 Difference]: Start difference. First operand 4321 states and 5164 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:14:04,045 INFO L93 Difference]: Finished difference Result 8493 states and 10174 transitions. [2023-04-01 22:14:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:14:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 400 [2023-04-01 22:14:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:14:04,055 INFO L225 Difference]: With dead ends: 8493 [2023-04-01 22:14:04,055 INFO L226 Difference]: Without dead ends: 4321 [2023-04-01 22:14:04,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:14:04,063 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 83 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:14:04,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 228 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:14:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2023-04-01 22:14:04,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 4321. [2023-04-01 22:14:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 4176 states have (on average 1.1058429118773947) internal successors, (4618), 4259 states have internal predecessors, (4618), 31 states have call successors, (31), 31 states have call predecessors, (31), 113 states have return successors, (353), 30 states have call predecessors, (353), 30 states have call successors, (353) [2023-04-01 22:14:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5002 transitions. [2023-04-01 22:14:04,140 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5002 transitions. Word has length 400 [2023-04-01 22:14:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:14:04,141 INFO L495 AbstractCegarLoop]: Abstraction has 4321 states and 5002 transitions. [2023-04-01 22:14:04,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5002 transitions. [2023-04-01 22:14:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-04-01 22:14:04,147 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:14:04,148 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:14:04,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:14:04,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:04,354 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:14:04,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:14:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2043267384, now seen corresponding path program 1 times [2023-04-01 22:14:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:14:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896992567] [2023-04-01 22:14:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:14:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:14:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:14:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:14:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-01 22:14:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 349 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-04-01 22:14:04,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:14:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896992567] [2023-04-01 22:14:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896992567] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:14:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229606124] [2023-04-01 22:14:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:04,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:04,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:14:04,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:14:04,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:14:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:04,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:14:04,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:14:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-01 22:14:05,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:14:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-01 22:14:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229606124] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:14:05,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:14:05,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 13 [2023-04-01 22:14:05,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484805421] [2023-04-01 22:14:05,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:14:05,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:14:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:14:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:14:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:14:05,324 INFO L87 Difference]: Start difference. First operand 4321 states and 5002 transitions. Second operand has 13 states, 13 states have (on average 34.61538461538461) internal successors, (450), 11 states have internal predecessors, (450), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:14:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:14:07,015 INFO L93 Difference]: Finished difference Result 10076 states and 11701 transitions. [2023-04-01 22:14:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 22:14:07,016 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 34.61538461538461) internal successors, (450), 11 states have internal predecessors, (450), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 408 [2023-04-01 22:14:07,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:14:07,027 INFO L225 Difference]: With dead ends: 10076 [2023-04-01 22:14:07,027 INFO L226 Difference]: Without dead ends: 4293 [2023-04-01 22:14:07,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 830 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2023-04-01 22:14:07,036 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2102 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 2756 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 2756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:14:07,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 82 Invalid, 3041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 2756 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:14:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2023-04-01 22:14:07,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 3709. [2023-04-01 22:14:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3709 states, 3592 states have (on average 1.0734966592427617) internal successors, (3856), 3655 states have internal predecessors, (3856), 27 states have call successors, (27), 27 states have call predecessors, (27), 89 states have return successors, (201), 26 states have call predecessors, (201), 26 states have call successors, (201) [2023-04-01 22:14:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 4084 transitions. [2023-04-01 22:14:07,183 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 4084 transitions. Word has length 408 [2023-04-01 22:14:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:14:07,184 INFO L495 AbstractCegarLoop]: Abstraction has 3709 states and 4084 transitions. [2023-04-01 22:14:07,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 34.61538461538461) internal successors, (450), 11 states have internal predecessors, (450), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:14:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 4084 transitions. [2023-04-01 22:14:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-04-01 22:14:07,193 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:14:07,193 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:14:07,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-04-01 22:14:07,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:07,399 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:14:07,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:14:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2001859372, now seen corresponding path program 1 times [2023-04-01 22:14:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:14:07,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986223195] [2023-04-01 22:14:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:14:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:14:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:14:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:14:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-01 22:14:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-04-01 22:14:08,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:14:08,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986223195] [2023-04-01 22:14:08,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986223195] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:14:08,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730775483] [2023-04-01 22:14:08,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:08,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:08,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:14:08,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:14:08,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:14:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:08,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:14:08,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:14:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-04-01 22:14:08,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:14:08,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730775483] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:14:08,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:14:08,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 22:14:08,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054888526] [2023-04-01 22:14:08,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:14:08,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:14:08,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:14:08,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:14:08,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:14:08,239 INFO L87 Difference]: Start difference. First operand 3709 states and 4084 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:08,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:14:08,576 INFO L93 Difference]: Finished difference Result 8141 states and 8973 transitions. [2023-04-01 22:14:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:14:08,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 410 [2023-04-01 22:14:08,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:14:08,587 INFO L225 Difference]: With dead ends: 8141 [2023-04-01 22:14:08,587 INFO L226 Difference]: Without dead ends: 4436 [2023-04-01 22:14:08,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:14:08,592 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 85 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:14:08,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 218 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:14:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2023-04-01 22:14:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 4142. [2023-04-01 22:14:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 4017 states have (on average 1.070201643017177) internal successors, (4299), 4082 states have internal predecessors, (4299), 30 states have call successors, (30), 30 states have call predecessors, (30), 94 states have return successors, (207), 29 states have call predecessors, (207), 29 states have call successors, (207) [2023-04-01 22:14:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 4536 transitions. [2023-04-01 22:14:08,658 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 4536 transitions. Word has length 410 [2023-04-01 22:14:08,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:14:08,658 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 4536 transitions. [2023-04-01 22:14:08,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 4536 transitions. [2023-04-01 22:14:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-04-01 22:14:08,664 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:14:08,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:14:08,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-04-01 22:14:08,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 22:14:08,870 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:14:08,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:14:08,870 INFO L85 PathProgramCache]: Analyzing trace with hash -773793748, now seen corresponding path program 1 times [2023-04-01 22:14:08,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:14:08,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126515140] [2023-04-01 22:14:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:14:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:14:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:14:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:14:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-01 22:14:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-04-01 22:14:09,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:14:09,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126515140] [2023-04-01 22:14:09,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126515140] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:14:09,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938578256] [2023-04-01 22:14:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:14:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:14:09,149 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:14:09,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:14:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:14:09,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:14:09,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:14:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-04-01 22:14:09,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:14:09,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938578256] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:14:09,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:14:09,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:14:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230546135] [2023-04-01 22:14:09,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:14:09,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:14:09,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:14:09,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:14:09,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:14:09,478 INFO L87 Difference]: Start difference. First operand 4142 states and 4536 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:09,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:14:09,794 INFO L93 Difference]: Finished difference Result 4142 states and 4536 transitions. [2023-04-01 22:14:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:14:09,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 410 [2023-04-01 22:14:09,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:14:09,795 INFO L225 Difference]: With dead ends: 4142 [2023-04-01 22:14:09,795 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:14:09,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:14:09,800 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 83 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:14:09,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 48 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:14:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:14:09,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:14:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:14:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:14:09,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2023-04-01 22:14:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:14:09,801 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:14:09,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:14:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:14:09,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:14:09,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:14:09,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-01 22:14:10,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:14:10,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:14:19,501 WARN L223 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 236 DAG size of output: 272 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:14:28,122 WARN L223 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 236 DAG size of output: 272 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:14:30,602 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:14:30,602 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:14:30,602 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:14:30,602 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:14:30,602 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse14 (<= 8 ~a19~0)) (.cse13 (= ~a10~0 0)) (.cse5 (<= ~a1~0 23))) (let ((.cse1 (<= 9 ~a19~0)) (.cse0 (<= ~a10~0 1)) (.cse2 (= ~a19~0 9)) (.cse11 (< 0 ~a10~0)) (.cse10 (<= 23 ~a1~0)) (.cse8 (or (and .cse13 .cse14) (and .cse13 .cse5))) (.cse12 (= ~a19~0 8)) (.cse9 (= 14 ~a4~0)) (.cse6 (<= 3 ~a10~0)) (.cse4 (<= ~a19~0 8)) (.cse7 (= ~a10~0 2)) (.cse3 (< 0 (+ 2526205 ~a1~0)))) (or (and .cse0 .cse1 (not .cse2) .cse3) (< |old(~a19~0)| 9) (and .cse4 .cse5 .cse6 .cse3) (and (<= ~a19~0 9) .cse7 .cse1) (and .cse8 .cse9 .cse10) (and .cse0 .cse11 (< 0 (+ ~a1~0 13)) (<= ~a1~0 33)) (not .cse9) (and (= ~a10~0 1) .cse12) (and .cse13 .cse2) (and .cse4 .cse14 .cse6 .cse3) (and .cse2 .cse5 .cse3) (and .cse0 .cse11 (<= 222 ~a1~0)) (< 23 |old(~a1~0)|) (and .cse2 .cse11 .cse10) (and .cse8 (not .cse12) .cse9 .cse3) (and .cse4 (< ~a10~0 4) .cse6 .cse3) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and .cse4 .cse7 .cse3)))) [2023-04-01 22:14:30,602 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse14 (<= 8 ~a19~0)) (.cse13 (= ~a10~0 0)) (.cse5 (<= ~a1~0 23))) (let ((.cse1 (<= 9 ~a19~0)) (.cse0 (<= ~a10~0 1)) (.cse2 (= ~a19~0 9)) (.cse11 (< 0 ~a10~0)) (.cse10 (<= 23 ~a1~0)) (.cse8 (or (and .cse13 .cse14) (and .cse13 .cse5))) (.cse12 (= ~a19~0 8)) (.cse9 (= 14 ~a4~0)) (.cse6 (<= 3 ~a10~0)) (.cse4 (<= ~a19~0 8)) (.cse7 (= ~a10~0 2)) (.cse3 (< 0 (+ 2526205 ~a1~0)))) (or (and .cse0 .cse1 (not .cse2) .cse3) (< |old(~a19~0)| 9) (and .cse4 .cse5 .cse6 .cse3) (and (<= ~a19~0 9) .cse7 .cse1) (and .cse8 .cse9 .cse10) (and .cse0 .cse11 (< 0 (+ ~a1~0 13)) (<= ~a1~0 33)) (not .cse9) (and (= ~a10~0 1) .cse12) (and .cse13 .cse2) (and .cse4 .cse14 .cse6 .cse3) (and .cse2 .cse5 .cse3) (and .cse0 .cse11 (<= 222 ~a1~0)) (< 23 |old(~a1~0)|) (and .cse2 .cse11 .cse10) (and .cse8 (not .cse12) .cse9 .cse3) (and .cse4 (< ~a10~0 4) .cse6 .cse3) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and .cse4 .cse7 .cse3)))) [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= 23 ~a1~0)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0))) [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,603 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,604 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,604 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,604 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:14:30,604 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:14:30,605 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:14:30,605 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:14:30,605 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:14:30,605 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:14:30,605 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,606 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:14:30,607 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,608 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:14:30,609 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:14:30,610 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:14:30,611 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:14:30,613 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,614 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:14:30,615 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:14:30,616 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,617 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse17 (= 9 |old(~a19~0)|)) (.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse21 (= ~a10~0 |old(~a10~0)|)) (.cse18 (< 23 |old(~a1~0)|)) (.cse11 (< |old(~a19~0)| 8)) (.cse5 (< 9 |old(~a19~0)|))) (let ((.cse7 (< |old(~a10~0)| 3)) (.cse15 (= 8 |old(~a19~0)|)) (.cse12 (let ((.cse22 (not (= 0 |old(~a10~0)|)))) (and (or .cse18 .cse22 .cse5) (or .cse11 .cse22 .cse5)))) (.cse19 (and (= ~a19~0 9) .cse9 .cse21)) (.cse14 (not (= 2 |old(~a10~0)|))) (.cse20 (not .cse17)) (.cse10 (<= (+ 2526205 |old(~a1~0)|) 0)) (.cse2 (< 1 |old(~a10~0)|)) (.cse3 (and .cse8 .cse9 .cse21)) (.cse4 (and (<= (+ |old(~a1~0)| 13) 0) (<= |old(~a10~0)| 1))) (.cse16 (< |old(~a19~0)| 9)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (<= |old(~a10~0)| 0)) (.cse13 (< |old(~a1~0)| 23)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (< 33 |old(~a1~0)|) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse7 (and .cse8 .cse9 (< ~a10~0 4) (<= 3 ~a10~0)) .cse10 .cse5 .cse6 (<= 4 |old(~a10~0)|)) (or .cse0 .cse7 .cse3 .cse10 .cse11 .cse5 .cse6) (or .cse0 .cse12 .cse3 .cse13 .cse6) (or .cse0 .cse3 .cse10 .cse14 .cse5 .cse6) (or .cse15 .cse0 .cse12 .cse3 .cse10 .cse6) (or .cse16 .cse17 .cse0 .cse2 .cse3 .cse10 .cse6) (or .cse0 .cse18 .cse19 .cse10 .cse20 .cse6) (or (not (= |old(~a10~0)| 1)) (and (= ~a10~0 1) .cse9 (= ~a19~0 8)) .cse0 (not .cse15) .cse6) (or .cse0 .cse12 .cse19 .cse20 .cse6) (or .cse0 .cse19 .cse14 .cse5 .cse20 .cse6) (or .cse0 .cse1 .cse18 .cse3 .cse10 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 (< |old(~a1~0)| 222) .cse4 .cse5 .cse6) (or .cse16 .cse0 .cse1 .cse5 .cse13 .cse6 (and (<= ~a19~0 9) .cse9 .cse21 (<= 9 ~a19~0)))))) [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,618 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,619 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-04-01 22:14:30,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:14:30,620 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:14:30,623 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:14:30,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:14:30,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:14:30 BoogieIcfgContainer [2023-04-01 22:14:30,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:14:30,653 INFO L158 Benchmark]: Toolchain (without parser) took 47956.33ms. Allocated memory was 274.7MB in the beginning and 994.1MB in the end (delta: 719.3MB). Free memory was 237.3MB in the beginning and 866.0MB in the end (delta: -628.8MB). Peak memory consumption was 604.4MB. Max. memory is 8.0GB. [2023-04-01 22:14:30,654 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:14:30,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.52ms. Allocated memory is still 274.7MB. Free memory was 236.7MB in the beginning and 209.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 22:14:30,654 INFO L158 Benchmark]: Boogie Preprocessor took 65.44ms. Allocated memory is still 274.7MB. Free memory was 209.5MB in the beginning and 204.7MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 22:14:30,655 INFO L158 Benchmark]: RCFGBuilder took 804.08ms. Allocated memory is still 274.7MB. Free memory was 204.7MB in the beginning and 219.9MB in the end (delta: -15.2MB). Peak memory consumption was 68.3MB. Max. memory is 8.0GB. [2023-04-01 22:14:30,655 INFO L158 Benchmark]: TraceAbstraction took 46662.10ms. Allocated memory was 274.7MB in the beginning and 994.1MB in the end (delta: 719.3MB). Free memory was 219.3MB in the beginning and 866.0MB in the end (delta: -646.7MB). Peak memory consumption was 585.4MB. Max. memory is 8.0GB. [2023-04-01 22:14:30,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 421.52ms. Allocated memory is still 274.7MB. Free memory was 236.7MB in the beginning and 209.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.44ms. Allocated memory is still 274.7MB. Free memory was 209.5MB in the beginning and 204.7MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 804.08ms. Allocated memory is still 274.7MB. Free memory was 204.7MB in the beginning and 219.9MB in the end (delta: -15.2MB). Peak memory consumption was 68.3MB. Max. memory is 8.0GB. * TraceAbstraction took 46662.10ms. Allocated memory was 274.7MB in the beginning and 994.1MB in the end (delta: 719.3MB). Free memory was 219.3MB in the beginning and 866.0MB in the end (delta: -646.7MB). Peak memory consumption was 585.4MB. 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: 206]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13877 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13872 mSDsluCounter, 1125 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 496 mSDsCounter, 2905 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14641 IncrementalHoareTripleChecker+Invalid, 17546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2905 mSolverCounterUnsat, 629 mSDtfsCounter, 14641 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4424 GetRequests, 4208 SyntacticMatches, 6 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2004 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4321occurred in iteration=8, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 2903 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 186 PreInvPairs, 268 NumberOfFragments, 1049 HoareAnnotationTreeSize, 186 FomulaSimplifications, 465379 FormulaSimplificationTreeSizeReduction, 18.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16536 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 6120 NumberOfCodeBlocks, 6120 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 7335 ConstructedInterpolants, 0 QuantifiedInterpolants, 22417 SizeOfPredicates, 6 NumberOfNonLiveVariables, 4802 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 7074/7440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a10 <= 1 && 9 <= a19) && !(a19 == 9)) && 0 < 2526205 + a1) || \old(a19) < 9) || (((a19 <= 8 && a1 <= 23) && 3 <= a10) && 0 < 2526205 + a1)) || ((a19 <= 9 && a10 == 2) && 9 <= a19)) || ((((a10 == 0 && 8 <= a19) || (a10 == 0 && a1 <= 23)) && 14 == a4) && 23 <= a1)) || (((a10 <= 1 && 0 < a10) && 0 < a1 + 13) && a1 <= 33)) || !(14 == a4)) || (a10 == 1 && a19 == 8)) || (a10 == 0 && a19 == 9)) || (((a19 <= 8 && 8 <= a19) && 3 <= a10) && 0 < 2526205 + a1)) || ((a19 == 9 && a1 <= 23) && 0 < 2526205 + a1)) || ((a10 <= 1 && 0 < a10) && 222 <= a1)) || 23 < \old(a1)) || ((a19 == 9 && 0 < a10) && 23 <= a1)) || (((((a10 == 0 && 8 <= a19) || (a10 == 0 && a1 <= 23)) && !(a19 == 8)) && 14 == a4) && 0 < 2526205 + a1)) || (((a19 <= 8 && a10 < 4) && 3 <= a10) && 0 < 2526205 + a1)) || !(0 == \old(a10))) || 9 < \old(a19)) || \old(a1) < 23) || !(a12 == 0)) || ((a19 <= 8 && a10 == 2) && 0 < 2526205 + a1) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:14:30,689 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...