/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:14:54,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:14:54,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:14:54,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:14:54,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:14:54,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:14:54,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:14:54,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:14:54,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:14:54,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:14:54,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:14:54,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:14:54,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:14:54,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:14:54,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:14:54,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:14:54,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:14:54,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:14:54,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:14:54,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:14:54,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:14:54,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:14:54,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:14:54,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:14:54,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-30 23:14:54,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-30 23:14:54,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-30 23:14:54,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-30 23:14:54,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-30 23:14:54,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-30 23:14:54,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-30 23:14:54,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-30 23:14:54,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-30 23:14:54,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-30 23:14:54,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-30 23:14:54,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-30 23:14:54,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-30 23:14:54,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-30 23:14:54,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:14:54,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:14:54,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:14:54,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 23:14:54,301 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:14:54,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:14:54,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:14:54,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:14:54,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:14:54,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:14:54,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:14:54,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:14:54,303 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:14:54,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:14:54,303 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:14:54,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:14:54,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:14:54,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:14:54,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:14:54,306 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:14:54,307 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:14:54,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:14:54,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:14:54,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:14:54,555 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:14:54,557 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:14:54,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2023-03-30 23:14:55,495 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:14:55,743 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:14:55,744 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2023-03-30 23:14:55,753 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2261cd6/774c17dd1b124858a3e65bdd05d1f588/FLAG6dfce88c3 [2023-03-30 23:14:55,779 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2261cd6/774c17dd1b124858a3e65bdd05d1f588 [2023-03-30 23:14:55,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:14:55,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:14:55,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:14:55,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:14:55,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:14:55,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:14:55" (1/1) ... [2023-03-30 23:14:55,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779784b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:55, skipping insertion in model container [2023-03-30 23:14:55,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:14:55" (1/1) ... [2023-03-30 23:14:55,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:14:55,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:14:56,001 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_label52.c[4790,4803] [2023-03-30 23:14:56,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:14:56,099 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:14:56,115 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_label52.c[4790,4803] [2023-03-30 23:14:56,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:14:56,175 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:14:56,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56 WrapperNode [2023-03-30 23:14:56,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:14:56,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:14:56,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:14:56,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:14:56,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:14:56,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:14:56,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:14:56,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:14:56,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (1/1) ... [2023-03-30 23:14:56,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:14:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:56,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 23:14:56,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 23:14:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:14:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:14:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:14:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:14:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:14:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:14:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:14:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:14:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:14:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:14:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:14:56,397 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:14:56,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:14:57,237 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:14:57,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:14:57,243 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:14:57,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:14:57 BoogieIcfgContainer [2023-03-30 23:14:57,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:14:57,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:14:57,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:14:57,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:14:57,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:14:55" (1/3) ... [2023-03-30 23:14:57,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7491b9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:14:57, skipping insertion in model container [2023-03-30 23:14:57,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:14:56" (2/3) ... [2023-03-30 23:14:57,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7491b9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:14:57, skipping insertion in model container [2023-03-30 23:14:57,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:14:57" (3/3) ... [2023-03-30 23:14:57,250 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2023-03-30 23:14:57,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:14:57,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:14:57,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:14:57,303 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;@5cf83f05, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:14:57,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:14:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 23:14:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-30 23:14:57,317 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:57,318 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] [2023-03-30 23:14:57,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:57,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:57,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1799252462, now seen corresponding path program 1 times [2023-03-30 23:14:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:57,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346996088] [2023-03-30 23:14:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:57,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:57,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:57,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346996088] [2023-03-30 23:14:57,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346996088] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:57,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:14:57,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 23:14:57,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321609361] [2023-03-30 23:14:57,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:57,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 23:14:57,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 23:14:57,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 23:14:57,780 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 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 23:14:58,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:58,741 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2023-03-30 23:14:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 23:14:58,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 47 [2023-03-30 23:14:58,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:58,751 INFO L225 Difference]: With dead ends: 581 [2023-03-30 23:14:58,751 INFO L226 Difference]: Without dead ends: 302 [2023-03-30 23:14:58,762 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 [2023-03-30 23:14:58,764 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 489 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:58,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 24 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 23:14:58,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-03-30 23:14:58,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2023-03-30 23:14:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 288 states have (on average 1.3333333333333333) internal successors, (384), 290 states have internal predecessors, (384), 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) [2023-03-30 23:14:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2023-03-30 23:14:58,811 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 47 [2023-03-30 23:14:58,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:58,811 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2023-03-30 23:14:58,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 23:14:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2023-03-30 23:14:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-03-30 23:14:58,814 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:58,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:58,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 23:14:58,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:58,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1651293934, now seen corresponding path program 1 times [2023-03-30 23:14:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:58,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130798966] [2023-03-30 23:14:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:59,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:59,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130798966] [2023-03-30 23:14:59,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130798966] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:14:59,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875748461] [2023-03-30 23:14:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:59,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:59,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:14:59,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 23:14:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:59,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:14:59,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:14:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:59,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:14:59,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875748461] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:59,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:14:59,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-03-30 23:14:59,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750651707] [2023-03-30 23:14:59,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:59,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:14:59,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:59,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:14:59,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:14:59,323 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:14:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:59,705 INFO L93 Difference]: Finished difference Result 735 states and 1013 transitions. [2023-03-30 23:14:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:14:59,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 117 [2023-03-30 23:14:59,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:59,709 INFO L225 Difference]: With dead ends: 735 [2023-03-30 23:14:59,709 INFO L226 Difference]: Without dead ends: 443 [2023-03-30 23:14:59,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:14:59,711 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 126 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:59,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 44 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:14:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-03-30 23:14:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2023-03-30 23:14:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 430 states have (on average 1.3511627906976744) internal successors, (581), 433 states have internal predecessors, (581), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-03-30 23:14:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 600 transitions. [2023-03-30 23:14:59,734 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 600 transitions. Word has length 117 [2023-03-30 23:14:59,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:59,735 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 600 transitions. [2023-03-30 23:14:59,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:14:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 600 transitions. [2023-03-30 23:14:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-03-30 23:14:59,738 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:59,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:59,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 23:14:59,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:59,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:59,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash -707547857, now seen corresponding path program 1 times [2023-03-30 23:14:59,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:59,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494508887] [2023-03-30 23:14:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:00,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494508887] [2023-03-30 23:15:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494508887] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:00,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:15:00,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:15:00,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577452907] [2023-03-30 23:15:00,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:00,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:15:00,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:00,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:15:00,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:15:00,544 INFO L87 Difference]: Start difference. First operand 443 states and 600 transitions. Second operand has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:15:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:01,593 INFO L93 Difference]: Finished difference Result 1111 states and 1477 transitions. [2023-03-30 23:15:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 23:15:01,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 5 states have internal predecessors, (118), 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 124 [2023-03-30 23:15:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:01,596 INFO L225 Difference]: With dead ends: 1111 [2023-03-30 23:15:01,596 INFO L226 Difference]: Without dead ends: 674 [2023-03-30 23:15:01,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-03-30 23:15:01,598 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 929 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:01,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 62 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 23:15:01,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-03-30 23:15:01,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 598. [2023-03-30 23:15:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 577 states have (on average 1.2790294627383016) internal successors, (738), 586 states have internal predecessors, (738), 6 states have call successors, (6), 6 states have call predecessors, (6), 14 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-03-30 23:15:01,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 776 transitions. [2023-03-30 23:15:01,624 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 776 transitions. Word has length 124 [2023-03-30 23:15:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:01,624 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 776 transitions. [2023-03-30 23:15:01,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:15:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 776 transitions. [2023-03-30 23:15:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-03-30 23:15:01,628 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:01,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:01,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 23:15:01,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:01,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:01,629 INFO L85 PathProgramCache]: Analyzing trace with hash -629063629, now seen corresponding path program 1 times [2023-03-30 23:15:01,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:01,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375872003] [2023-03-30 23:15:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:01,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:01,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375872003] [2023-03-30 23:15:01,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375872003] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:01,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:15:01,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:15:01,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169678449] [2023-03-30 23:15:01,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:01,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:15:01,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:01,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:15:01,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:15:01,912 INFO L87 Difference]: Start difference. First operand 598 states and 776 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:15:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:02,631 INFO L93 Difference]: Finished difference Result 1665 states and 2218 transitions. [2023-03-30 23:15:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 23:15:02,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 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 142 [2023-03-30 23:15:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:02,635 INFO L225 Difference]: With dead ends: 1665 [2023-03-30 23:15:02,635 INFO L226 Difference]: Without dead ends: 1073 [2023-03-30 23:15:02,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:15:02,637 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 650 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:02,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 46 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 23:15:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2023-03-30 23:15:02,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1045. [2023-03-30 23:15:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1009 states have (on average 1.1793855302279486) internal successors, (1190), 1027 states have internal predecessors, (1190), 9 states have call successors, (9), 9 states have call predecessors, (9), 26 states have return successors, (64), 8 states have call predecessors, (64), 8 states have call successors, (64) [2023-03-30 23:15:02,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1263 transitions. [2023-03-30 23:15:02,667 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1263 transitions. Word has length 142 [2023-03-30 23:15:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:02,668 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1263 transitions. [2023-03-30 23:15:02,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:15:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1263 transitions. [2023-03-30 23:15:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-30 23:15:02,677 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:02,677 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, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:02,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 23:15:02,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:02,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1609279955, now seen corresponding path program 1 times [2023-03-30 23:15:02,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:02,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021291203] [2023-03-30 23:15:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:15:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-03-30 23:15:02,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:02,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021291203] [2023-03-30 23:15:02,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021291203] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:02,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214506214] [2023-03-30 23:15:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:03,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:15:03,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 23:15:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:03,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-03-30 23:15:03,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:15:03,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214506214] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:03,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:15:03,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-03-30 23:15:03,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843303333] [2023-03-30 23:15:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:03,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:15:03,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:03,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:15:03,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:15:03,149 INFO L87 Difference]: Start difference. First operand 1045 states and 1263 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:03,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:03,492 INFO L93 Difference]: Finished difference Result 1629 states and 1984 transitions. [2023-03-30 23:15:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:15:03,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 194 [2023-03-30 23:15:03,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:03,500 INFO L225 Difference]: With dead ends: 1629 [2023-03-30 23:15:03,500 INFO L226 Difference]: Without dead ends: 1627 [2023-03-30 23:15:03,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:15:03,501 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 145 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:03,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 24 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:15:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2023-03-30 23:15:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1192. [2023-03-30 23:15:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1152 states have (on average 1.2005208333333333) internal successors, (1383), 1172 states have internal predecessors, (1383), 10 states have call successors, (10), 10 states have call predecessors, (10), 29 states have return successors, (80), 9 states have call predecessors, (80), 9 states have call successors, (80) [2023-03-30 23:15:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1473 transitions. [2023-03-30 23:15:03,535 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1473 transitions. Word has length 194 [2023-03-30 23:15:03,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:03,536 INFO L495 AbstractCegarLoop]: Abstraction has 1192 states and 1473 transitions. [2023-03-30 23:15:03,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:03,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1473 transitions. [2023-03-30 23:15:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-03-30 23:15:03,539 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:03,540 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:03,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:03,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:03,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:03,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash 67470931, now seen corresponding path program 1 times [2023-03-30 23:15:03,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:03,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316159620] [2023-03-30 23:15:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:15:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:15:04,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:04,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316159620] [2023-03-30 23:15:04,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316159620] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:04,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22888122] [2023-03-30 23:15:04,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:04,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:04,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:15:04,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 23:15:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:04,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:04,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:04,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:04,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22888122] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:04,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:04,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-03-30 23:15:04,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883296095] [2023-03-30 23:15:04,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:04,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-30 23:15:04,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:04,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-30 23:15:04,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-03-30 23:15:04,736 INFO L87 Difference]: Start difference. First operand 1192 states and 1473 transitions. Second operand has 11 states, 11 states have (on average 48.0) internal successors, (528), 9 states have internal predecessors, (528), 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) [2023-03-30 23:15:06,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:06,207 INFO L93 Difference]: Finished difference Result 2716 states and 3402 transitions. [2023-03-30 23:15:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-30 23:15:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 48.0) internal successors, (528), 9 states have internal predecessors, (528), 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 258 [2023-03-30 23:15:06,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:06,213 INFO L225 Difference]: With dead ends: 2716 [2023-03-30 23:15:06,213 INFO L226 Difference]: Without dead ends: 1530 [2023-03-30 23:15:06,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2023-03-30 23:15:06,216 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 666 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:06,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 80 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 23:15:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2023-03-30 23:15:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1349. [2023-03-30 23:15:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1300 states have (on average 1.1546153846153846) internal successors, (1501), 1327 states have internal predecessors, (1501), 11 states have call successors, (11), 11 states have call predecessors, (11), 37 states have return successors, (87), 10 states have call predecessors, (87), 10 states have call successors, (87) [2023-03-30 23:15:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1599 transitions. [2023-03-30 23:15:06,251 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1599 transitions. Word has length 258 [2023-03-30 23:15:06,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:06,251 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1599 transitions. [2023-03-30 23:15:06,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 48.0) internal successors, (528), 9 states have internal predecessors, (528), 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) [2023-03-30 23:15:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1599 transitions. [2023-03-30 23:15:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-03-30 23:15:06,254 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:06,254 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:06,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:06,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:06,462 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:06,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:06,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2138290254, now seen corresponding path program 1 times [2023-03-30 23:15:06,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:06,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892963811] [2023-03-30 23:15:06,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-30 23:15:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:15:06,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:06,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892963811] [2023-03-30 23:15:06,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892963811] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:06,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726522175] [2023-03-30 23:15:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:06,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:15:06,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 23:15:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:07,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:07,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:07,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:15:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:15:07,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726522175] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:15:07,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:15:07,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-03-30 23:15:07,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012170517] [2023-03-30 23:15:07,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:15:07,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 23:15:07,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 23:15:07,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-03-30 23:15:07,521 INFO L87 Difference]: Start difference. First operand 1349 states and 1599 transitions. Second operand has 12 states, 12 states have (on average 45.083333333333336) internal successors, (541), 10 states have internal predecessors, (541), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:15:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:08,975 INFO L93 Difference]: Finished difference Result 3854 states and 4585 transitions. [2023-03-30 23:15:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-30 23:15:08,976 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 45.083333333333336) internal successors, (541), 10 states have internal predecessors, (541), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 267 [2023-03-30 23:15:08,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:08,980 INFO L225 Difference]: With dead ends: 3854 [2023-03-30 23:15:08,981 INFO L226 Difference]: Without dead ends: 1776 [2023-03-30 23:15:08,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 540 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-03-30 23:15:08,984 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1254 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:08,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 58 Invalid, 2015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 23:15:08,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2023-03-30 23:15:09,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1341. [2023-03-30 23:15:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1296 states have (on average 1.1118827160493827) internal successors, (1441), 1319 states have internal predecessors, (1441), 11 states have call successors, (11), 11 states have call predecessors, (11), 33 states have return successors, (71), 10 states have call predecessors, (71), 10 states have call successors, (71) [2023-03-30 23:15:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1523 transitions. [2023-03-30 23:15:09,012 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1523 transitions. Word has length 267 [2023-03-30 23:15:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:09,012 INFO L495 AbstractCegarLoop]: Abstraction has 1341 states and 1523 transitions. [2023-03-30 23:15:09,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 45.083333333333336) internal successors, (541), 10 states have internal predecessors, (541), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:15:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1523 transitions. [2023-03-30 23:15:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-03-30 23:15:09,015 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:09,015 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:15:09,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:09,221 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:09,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1939330886, now seen corresponding path program 1 times [2023-03-30 23:15:09,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:09,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486459506] [2023-03-30 23:15:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:15:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-03-30 23:15:09,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486459506] [2023-03-30 23:15:09,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486459506] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961568483] [2023-03-30 23:15:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:09,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:09,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:15:09,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 23:15:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:09,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:09,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-03-30 23:15:09,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:15:09,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961568483] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:09,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:15:09,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-03-30 23:15:09,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119247959] [2023-03-30 23:15:09,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:09,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:15:09,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:15:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:15:09,625 INFO L87 Difference]: Start difference. First operand 1341 states and 1523 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:09,918 INFO L93 Difference]: Finished difference Result 2823 states and 3221 transitions. [2023-03-30 23:15:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:15:09,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 303 [2023-03-30 23:15:09,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:09,922 INFO L225 Difference]: With dead ends: 2823 [2023-03-30 23:15:09,922 INFO L226 Difference]: Without dead ends: 1482 [2023-03-30 23:15:09,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:15:09,925 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 101 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:09,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 237 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:15:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2023-03-30 23:15:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1482. [2023-03-30 23:15:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1436 states have (on average 1.105849582172702) internal successors, (1588), 1458 states have internal predecessors, (1588), 12 states have call successors, (12), 12 states have call predecessors, (12), 33 states have return successors, (78), 11 states have call predecessors, (78), 11 states have call successors, (78) [2023-03-30 23:15:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1678 transitions. [2023-03-30 23:15:09,952 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1678 transitions. Word has length 303 [2023-03-30 23:15:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:09,953 INFO L495 AbstractCegarLoop]: Abstraction has 1482 states and 1678 transitions. [2023-03-30 23:15:09,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1678 transitions. [2023-03-30 23:15:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2023-03-30 23:15:09,956 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:15:09,956 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:09,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:10,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:10,163 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:15:10,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:15:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1897097135, now seen corresponding path program 1 times [2023-03-30 23:15:10,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:15:10,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34959569] [2023-03-30 23:15:10,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:15:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:15:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:15:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:15:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-03-30 23:15:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-03-30 23:15:10,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:15:10,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34959569] [2023-03-30 23:15:10,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34959569] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:15:10,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379134564] [2023-03-30 23:15:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:15:10,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:10,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:15:10,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:15:10,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 23:15:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:15:10,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:15:10,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:15:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-03-30 23:15:10,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:15:10,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379134564] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:15:10,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:15:10,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-03-30 23:15:10,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135166564] [2023-03-30 23:15:10,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:15:10,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:15:10,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:15:10,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:15:10,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:15:10,596 INFO L87 Difference]: Start difference. First operand 1482 states and 1678 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:10,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:15:10,875 INFO L93 Difference]: Finished difference Result 1482 states and 1678 transitions. [2023-03-30 23:15:10,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:15:10,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 358 [2023-03-30 23:15:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:15:10,876 INFO L225 Difference]: With dead ends: 1482 [2023-03-30 23:15:10,876 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 23:15:10,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:15:10,880 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 101 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:15:10,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 229 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:15:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 23:15:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 23:15:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-30 23:15:10,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 23:15:10,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2023-03-30 23:15:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:15:10,881 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 23:15:10,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:15:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 23:15:10,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 23:15:10,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 23:15:10,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 23:15:11,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:15:11,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 23:15:12,520 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 23:15:12,520 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 23:15:12,520 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 23:15:12,520 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:15:12,520 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse1 (<= ~a10~0 2))) (or (and .cse0 (<= 4 ~a10~0)) (< |old(~a19~0)| 9) (= ~a19~0 9) (not (= 14 ~a4~0)) (and .cse0 .cse1) (<= ~a19~0 6) (and (<= |old(~a10~0)| ~a10~0) .cse1) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:15:12,520 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse1 (<= ~a10~0 2))) (or (and .cse0 (<= 4 ~a10~0)) (< |old(~a19~0)| 9) (= ~a19~0 9) (not (= 14 ~a4~0)) (and .cse0 .cse1) (<= ~a19~0 6) (and (<= |old(~a10~0)| ~a10~0) .cse1) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0))) [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-03-30 23:15:12,521 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-03-30 23:15:12,522 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-03-30 23:15:12,523 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-03-30 23:15:12,524 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-03-30 23:15:12,525 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-03-30 23:15:12,526 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-30 23:15:12,527 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-03-30 23:15:12,528 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,529 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= 14 ~a4~0))) (.cse1 (and (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 (< 2 |old(~a10~0)|) .cse1 .cse2) (or .cse0 (< |old(~a10~0)| 4) .cse1 (< 9 |old(~a19~0)|) .cse2) (or .cse0 .cse1 (< 6 |old(~a19~0)|) .cse2) (or .cse0 .cse1 (not (= 9 |old(~a19~0)|)) .cse2))) [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-03-30 23:15:12,530 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-03-30 23:15:12,531 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:15:12,532 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (<= ~a1~0 23) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-03-30 23:15:12,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:15:12,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 23:15:12,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:15:12,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 23:15:12,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 11:15:12 BoogieIcfgContainer [2023-03-30 23:15:12,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 23:15:12,552 INFO L158 Benchmark]: Toolchain (without parser) took 16769.70ms. Allocated memory was 275.8MB in the beginning and 578.8MB in the end (delta: 303.0MB). Free memory was 215.6MB in the beginning and 356.7MB in the end (delta: -141.0MB). Peak memory consumption was 332.7MB. Max. memory is 8.0GB. [2023-03-30 23:15:12,553 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 23:15:12,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.10ms. Allocated memory is still 275.8MB. Free memory was 215.3MB in the beginning and 242.2MB in the end (delta: -26.9MB). Peak memory consumption was 32.9MB. Max. memory is 8.0GB. [2023-03-30 23:15:12,553 INFO L158 Benchmark]: Boogie Preprocessor took 89.02ms. Allocated memory is still 275.8MB. Free memory was 242.2MB in the beginning and 237.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 23:15:12,553 INFO L158 Benchmark]: RCFGBuilder took 978.83ms. Allocated memory is still 275.8MB. Free memory was 237.6MB in the beginning and 153.7MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2023-03-30 23:15:12,553 INFO L158 Benchmark]: TraceAbstraction took 15306.32ms. Allocated memory was 275.8MB in the beginning and 578.8MB in the end (delta: 303.0MB). Free memory was 153.2MB in the beginning and 356.7MB in the end (delta: -203.5MB). Peak memory consumption was 269.4MB. Max. memory is 8.0GB. [2023-03-30 23:15:12,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.10ms. Allocated memory is still 275.8MB. Free memory was 215.3MB in the beginning and 242.2MB in the end (delta: -26.9MB). Peak memory consumption was 32.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.02ms. Allocated memory is still 275.8MB. Free memory was 242.2MB in the beginning and 237.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 978.83ms. Allocated memory is still 275.8MB. Free memory was 237.6MB in the beginning and 153.7MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * TraceAbstraction took 15306.32ms. Allocated memory was 275.8MB in the beginning and 578.8MB in the end (delta: 303.0MB). Free memory was 153.2MB in the beginning and 356.7MB in the end (delta: -203.5MB). Peak memory consumption was 269.4MB. 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: 137]: 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: 15.3s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4467 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4461 mSDsluCounter, 804 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 239 mSDsCounter, 1026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7986 IncrementalHoareTripleChecker+Invalid, 9012 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1026 mSolverCounterUnsat, 565 mSDtfsCounter, 7986 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2162 GetRequests, 2069 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1482occurred in iteration=8, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1159 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 89 NumberOfFragments, 280 HoareAnnotationTreeSize, 57 FomulaSimplifications, 15072 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2921 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 3307 NumberOfCodeBlocks, 3307 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3815 ConstructedInterpolants, 0 QuantifiedInterpolants, 8918 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2695 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 2535/2555 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((a19 <= 8 && 4 <= a10) || \old(a19) < 9) || a19 == 9) || !(14 == a4)) || (a19 <= 8 && a10 <= 2)) || a19 <= 6) || (\old(a10) <= a10 && a10 <= 2)) || 23 < \old(a1)) || !(0 == \old(a10))) || 9 < \old(a19)) || !(a12 == 0) RESULT: Ultimate proved your program to be correct! [2023-03-30 23:15:12,568 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...