/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:48:32,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:48:32,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:48:32,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 21:48:32,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:48:32,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:48:32,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:48:32,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:48:32,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:48:32,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:48:32,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:48:32,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:48:32,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:48:32,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:48:32,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:48:32,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:48:32,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 21:48:32,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:48:32,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:48:32,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:48:32,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 21:48:32,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:48:32,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:48:32,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:48:32,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:48:32,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:48:32,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:48:32,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:48:32,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:48:32,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:48:32,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:48:32,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:48:32,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:48:32,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:48:32,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:48:32,314 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:48:32,314 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:48:32,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:48:32,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:48:32,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:48:32,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:48:32,483 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:48:32,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2022-01-10 21:48:32,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9e22868/fb8b0226dbea41f28b2215dedff6044a/FLAG9bd02c315 [2022-01-10 21:48:32,964 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:48:32,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2022-01-10 21:48:32,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9e22868/fb8b0226dbea41f28b2215dedff6044a/FLAG9bd02c315 [2022-01-10 21:48:33,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9e22868/fb8b0226dbea41f28b2215dedff6044a [2022-01-10 21:48:33,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:48:33,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:48:33,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:48:33,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:48:33,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:48:33,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff67eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33, skipping insertion in model container [2022-01-10 21:48:33,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:48:33,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:48:33,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c[16331,16344] [2022-01-10 21:48:33,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:48:33,678 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:48:33,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c[16331,16344] [2022-01-10 21:48:33,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:48:33,773 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:48:33,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33 WrapperNode [2022-01-10 21:48:33,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:48:33,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:48:33,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:48:33,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:48:33,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,845 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 21:48:33,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:48:33,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:48:33,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:48:33,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:48:33,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:48:33,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:48:33,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:48:33,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:48:33,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (1/1) ... [2022-01-10 21:48:33,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:48:33,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:48:33,981 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) [2022-01-10 21:48:34,030 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 [2022-01-10 21:48:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:48:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:48:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:48:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:48:34,127 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:48:34,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:48:34,855 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:48:34,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:48:34,865 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 21:48:34,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:48:34 BoogieIcfgContainer [2022-01-10 21:48:34,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:48:34,868 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:48:34,868 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:48:34,869 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:48:34,871 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:48:34" (1/1) ... [2022-01-10 21:48:35,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:48:35 BasicIcfg [2022-01-10 21:48:35,064 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:48:35,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:48:35,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:48:35,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:48:35,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:48:33" (1/4) ... [2022-01-10 21:48:35,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12da7f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:48:35, skipping insertion in model container [2022-01-10 21:48:35,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:48:33" (2/4) ... [2022-01-10 21:48:35,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12da7f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:48:35, skipping insertion in model container [2022-01-10 21:48:35,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:48:34" (3/4) ... [2022-01-10 21:48:35,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12da7f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:48:35, skipping insertion in model container [2022-01-10 21:48:35,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:48:35" (4/4) ... [2022-01-10 21:48:35,071 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.cTransformedIcfg [2022-01-10 21:48:35,077 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:48:35,077 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 21:48:35,125 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:48:35,129 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 21:48:35,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 21:48:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2022-01-10 21:48:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-01-10 21:48:35,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:35,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:35,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:35,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1524360392, now seen corresponding path program 1 times [2022-01-10 21:48:35,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:35,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929123976] [2022-01-10 21:48:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:35,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:48:35,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:35,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929123976] [2022-01-10 21:48:35,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929123976] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:35,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:35,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:48:35,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468543486] [2022-01-10 21:48:35,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:35,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:35,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:35,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:35,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:35,602 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2022-01-10 21:48:36,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:36,193 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2022-01-10 21:48:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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) Word has length 96 [2022-01-10 21:48:36,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:36,204 INFO L225 Difference]: With dead ends: 639 [2022-01-10 21:48:36,204 INFO L226 Difference]: Without dead ends: 318 [2022-01-10 21:48:36,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:36,213 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 113 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:36,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 136 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 21:48:36,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-01-10 21:48:36,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2022-01-10 21:48:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.4711538461538463) internal successors, (459), 312 states have internal predecessors, (459), 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) [2022-01-10 21:48:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2022-01-10 21:48:36,267 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 96 [2022-01-10 21:48:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:36,269 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2022-01-10 21:48:36,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2022-01-10 21:48:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2022-01-10 21:48:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 21:48:36,271 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:36,271 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:36,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:48:36,272 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:36,272 INFO L85 PathProgramCache]: Analyzing trace with hash 731252765, now seen corresponding path program 1 times [2022-01-10 21:48:36,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:36,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594196726] [2022-01-10 21:48:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:36,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:48:36,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:36,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594196726] [2022-01-10 21:48:36,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594196726] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:36,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:36,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:36,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230775459] [2022-01-10 21:48:36,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:36,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:48:36,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:36,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:48:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:48:36,448 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 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) [2022-01-10 21:48:37,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:37,092 INFO L93 Difference]: Finished difference Result 989 states and 1492 transitions. [2022-01-10 21:48:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:48:37,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 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) Word has length 100 [2022-01-10 21:48:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:37,095 INFO L225 Difference]: With dead ends: 989 [2022-01-10 21:48:37,095 INFO L226 Difference]: Without dead ends: 595 [2022-01-10 21:48:37,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:48:37,097 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 172 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:37,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 118 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 21:48:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-01-10 21:48:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2022-01-10 21:48:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.3383838383838385) internal successors, (795), 594 states have internal predecessors, (795), 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) [2022-01-10 21:48:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 795 transitions. [2022-01-10 21:48:37,112 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 795 transitions. Word has length 100 [2022-01-10 21:48:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:37,112 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 795 transitions. [2022-01-10 21:48:37,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 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) [2022-01-10 21:48:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 795 transitions. [2022-01-10 21:48:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 21:48:37,116 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:37,116 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:37,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:48:37,116 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash 668359049, now seen corresponding path program 1 times [2022-01-10 21:48:37,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:37,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947975329] [2022-01-10 21:48:37,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:37,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 21:48:37,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:37,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947975329] [2022-01-10 21:48:37,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947975329] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:37,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:37,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:48:37,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335031474] [2022-01-10 21:48:37,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:37,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:37,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:37,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:37,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:37,205 INFO L87 Difference]: Start difference. First operand 595 states and 795 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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) [2022-01-10 21:48:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:37,660 INFO L93 Difference]: Finished difference Result 1753 states and 2346 transitions. [2022-01-10 21:48:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:37,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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) Word has length 126 [2022-01-10 21:48:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:37,663 INFO L225 Difference]: With dead ends: 1753 [2022-01-10 21:48:37,663 INFO L226 Difference]: Without dead ends: 1160 [2022-01-10 21:48:37,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:37,665 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:37,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 129 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2022-01-10 21:48:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2022-01-10 21:48:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.208477508650519) internal successors, (1397), 1156 states have internal predecessors, (1397), 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) [2022-01-10 21:48:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1397 transitions. [2022-01-10 21:48:37,733 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1397 transitions. Word has length 126 [2022-01-10 21:48:37,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:37,734 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1397 transitions. [2022-01-10 21:48:37,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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) [2022-01-10 21:48:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1397 transitions. [2022-01-10 21:48:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-10 21:48:37,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:37,742 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:37,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 21:48:37,742 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:37,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:37,743 INFO L85 PathProgramCache]: Analyzing trace with hash -409966366, now seen corresponding path program 1 times [2022-01-10 21:48:37,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:37,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477078438] [2022-01-10 21:48:37,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:37,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 21:48:37,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:37,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477078438] [2022-01-10 21:48:37,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477078438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:37,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:37,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:37,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099512817] [2022-01-10 21:48:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:37,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:37,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:37,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:37,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:37,909 INFO L87 Difference]: Start difference. First operand 1157 states and 1397 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-01-10 21:48:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:38,525 INFO L93 Difference]: Finished difference Result 2883 states and 3529 transitions. [2022-01-10 21:48:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:38,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) Word has length 134 [2022-01-10 21:48:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:38,531 INFO L225 Difference]: With dead ends: 2883 [2022-01-10 21:48:38,531 INFO L226 Difference]: Without dead ends: 1728 [2022-01-10 21:48:38,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:38,541 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 153 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:38,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 253 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 21:48:38,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-01-10 21:48:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1588. [2022-01-10 21:48:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1587 states have (on average 1.183994959042218) internal successors, (1879), 1587 states have internal predecessors, (1879), 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) [2022-01-10 21:48:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1879 transitions. [2022-01-10 21:48:38,588 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1879 transitions. Word has length 134 [2022-01-10 21:48:38,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:38,589 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 1879 transitions. [2022-01-10 21:48:38,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-01-10 21:48:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1879 transitions. [2022-01-10 21:48:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-01-10 21:48:38,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:38,607 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:38,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 21:48:38,607 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:38,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:38,609 INFO L85 PathProgramCache]: Analyzing trace with hash 793527792, now seen corresponding path program 1 times [2022-01-10 21:48:38,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:38,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175660413] [2022-01-10 21:48:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:38,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 21:48:38,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:38,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175660413] [2022-01-10 21:48:38,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175660413] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:38,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:38,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:38,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468462807] [2022-01-10 21:48:38,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:38,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:38,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:38,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:38,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:38,663 INFO L87 Difference]: Start difference. First operand 1588 states and 1879 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-01-10 21:48:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:39,278 INFO L93 Difference]: Finished difference Result 3880 states and 4674 transitions. [2022-01-10 21:48:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:39,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) Word has length 143 [2022-01-10 21:48:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:39,285 INFO L225 Difference]: With dead ends: 3880 [2022-01-10 21:48:39,285 INFO L226 Difference]: Without dead ends: 2294 [2022-01-10 21:48:39,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:39,305 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 146 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:39,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 68 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 21:48:39,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2022-01-10 21:48:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 2149. [2022-01-10 21:48:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 2148 states have (on average 1.2104283054003724) internal successors, (2600), 2148 states have internal predecessors, (2600), 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) [2022-01-10 21:48:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2600 transitions. [2022-01-10 21:48:39,351 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2600 transitions. Word has length 143 [2022-01-10 21:48:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:39,368 INFO L470 AbstractCegarLoop]: Abstraction has 2149 states and 2600 transitions. [2022-01-10 21:48:39,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-01-10 21:48:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2600 transitions. [2022-01-10 21:48:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 21:48:39,375 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:39,376 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-01-10 21:48:39,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 21:48:39,376 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1288887572, now seen corresponding path program 1 times [2022-01-10 21:48:39,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:39,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160906052] [2022-01-10 21:48:39,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:39,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 21:48:39,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:39,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160906052] [2022-01-10 21:48:39,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160906052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:39,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:39,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:39,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395191908] [2022-01-10 21:48:39,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:39,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:39,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:39,520 INFO L87 Difference]: Start difference. First operand 2149 states and 2600 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2022-01-10 21:48:40,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:40,097 INFO L93 Difference]: Finished difference Result 4439 states and 5351 transitions. [2022-01-10 21:48:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:40,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) Word has length 147 [2022-01-10 21:48:40,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:40,103 INFO L225 Difference]: With dead ends: 4439 [2022-01-10 21:48:40,103 INFO L226 Difference]: Without dead ends: 2152 [2022-01-10 21:48:40,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:40,107 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 138 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:40,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 275 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 21:48:40,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-01-10 21:48:40,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2002. [2022-01-10 21:48:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 2001 states have (on average 1.173913043478261) internal successors, (2349), 2001 states have internal predecessors, (2349), 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) [2022-01-10 21:48:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 2349 transitions. [2022-01-10 21:48:40,149 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 2349 transitions. Word has length 147 [2022-01-10 21:48:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:40,163 INFO L470 AbstractCegarLoop]: Abstraction has 2002 states and 2349 transitions. [2022-01-10 21:48:40,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2022-01-10 21:48:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2349 transitions. [2022-01-10 21:48:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-01-10 21:48:40,165 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:40,166 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 21:48:40,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 21:48:40,166 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:40,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:40,166 INFO L85 PathProgramCache]: Analyzing trace with hash 687776947, now seen corresponding path program 1 times [2022-01-10 21:48:40,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:40,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179938351] [2022-01-10 21:48:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:40,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-10 21:48:40,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:40,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179938351] [2022-01-10 21:48:40,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179938351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:40,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:40,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:48:40,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057678038] [2022-01-10 21:48:40,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:40,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 21:48:40,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:40,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 21:48:40,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:48:40,347 INFO L87 Difference]: Start difference. First operand 2002 states and 2349 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2022-01-10 21:48:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:41,143 INFO L93 Difference]: Finished difference Result 4041 states and 4735 transitions. [2022-01-10 21:48:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 21:48:41,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 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) Word has length 153 [2022-01-10 21:48:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:41,148 INFO L225 Difference]: With dead ends: 4041 [2022-01-10 21:48:41,148 INFO L226 Difference]: Without dead ends: 2041 [2022-01-10 21:48:41,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 21:48:41,152 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 418 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:41,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 140 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 21:48:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2022-01-10 21:48:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 2002. [2022-01-10 21:48:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 2001 states have (on average 1.1669165417291354) internal successors, (2335), 2001 states have internal predecessors, (2335), 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) [2022-01-10 21:48:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 2335 transitions. [2022-01-10 21:48:41,201 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 2335 transitions. Word has length 153 [2022-01-10 21:48:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:41,202 INFO L470 AbstractCegarLoop]: Abstraction has 2002 states and 2335 transitions. [2022-01-10 21:48:41,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2022-01-10 21:48:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2335 transitions. [2022-01-10 21:48:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-10 21:48:41,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:41,204 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 21:48:41,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 21:48:41,204 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:41,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1200194510, now seen corresponding path program 1 times [2022-01-10 21:48:41,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:41,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116602876] [2022-01-10 21:48:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:41,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 21:48:41,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:41,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116602876] [2022-01-10 21:48:41,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116602876] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:41,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:41,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:41,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437185438] [2022-01-10 21:48:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:41,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:41,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:41,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:41,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:41,278 INFO L87 Difference]: Start difference. First operand 2002 states and 2335 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-01-10 21:48:41,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:41,723 INFO L93 Difference]: Finished difference Result 4980 states and 5797 transitions. [2022-01-10 21:48:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:41,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) Word has length 156 [2022-01-10 21:48:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:41,729 INFO L225 Difference]: With dead ends: 4980 [2022-01-10 21:48:41,729 INFO L226 Difference]: Without dead ends: 2279 [2022-01-10 21:48:41,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:41,732 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 126 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:41,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 258 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:41,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2022-01-10 21:48:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2139. [2022-01-10 21:48:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.1099158091674461) internal successors, (2373), 2138 states have internal predecessors, (2373), 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) [2022-01-10 21:48:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2373 transitions. [2022-01-10 21:48:41,760 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2373 transitions. Word has length 156 [2022-01-10 21:48:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:41,760 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2373 transitions. [2022-01-10 21:48:41,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-01-10 21:48:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2373 transitions. [2022-01-10 21:48:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-01-10 21:48:41,762 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:41,762 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2022-01-10 21:48:41,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 21:48:41,763 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2040014018, now seen corresponding path program 1 times [2022-01-10 21:48:41,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:41,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847603066] [2022-01-10 21:48:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:41,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-10 21:48:41,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:41,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847603066] [2022-01-10 21:48:41,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847603066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:41,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:41,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:41,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452632889] [2022-01-10 21:48:41,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:41,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:41,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:41,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:41,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:41,822 INFO L87 Difference]: Start difference. First operand 2139 states and 2373 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-01-10 21:48:42,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:42,239 INFO L93 Difference]: Finished difference Result 4978 states and 5566 transitions. [2022-01-10 21:48:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:42,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) Word has length 174 [2022-01-10 21:48:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:42,246 INFO L225 Difference]: With dead ends: 4978 [2022-01-10 21:48:42,246 INFO L226 Difference]: Without dead ends: 2841 [2022-01-10 21:48:42,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:42,249 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 135 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:42,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 212 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:42,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2022-01-10 21:48:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2700. [2022-01-10 21:48:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 2699 states have (on average 1.103371619118192) internal successors, (2978), 2699 states have internal predecessors, (2978), 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) [2022-01-10 21:48:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 2978 transitions. [2022-01-10 21:48:42,307 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 2978 transitions. Word has length 174 [2022-01-10 21:48:42,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:42,307 INFO L470 AbstractCegarLoop]: Abstraction has 2700 states and 2978 transitions. [2022-01-10 21:48:42,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-01-10 21:48:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 2978 transitions. [2022-01-10 21:48:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-01-10 21:48:42,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:42,311 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:42,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 21:48:42,311 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2097094206, now seen corresponding path program 1 times [2022-01-10 21:48:42,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:42,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084915560] [2022-01-10 21:48:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:42,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-01-10 21:48:42,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:42,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084915560] [2022-01-10 21:48:42,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084915560] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:42,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:42,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:48:42,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592025396] [2022-01-10 21:48:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:42,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:42,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:42,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:42,451 INFO L87 Difference]: Start difference. First operand 2700 states and 2978 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2022-01-10 21:48:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:42,867 INFO L93 Difference]: Finished difference Result 6094 states and 6726 transitions. [2022-01-10 21:48:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:42,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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) Word has length 197 [2022-01-10 21:48:42,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:42,867 INFO L225 Difference]: With dead ends: 6094 [2022-01-10 21:48:42,867 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 21:48:42,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:42,872 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 100 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:42,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 40 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:42,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 21:48:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 21:48:42,873 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) [2022-01-10 21:48:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 21:48:42,873 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 197 [2022-01-10 21:48:42,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:42,873 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 21:48:42,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2022-01-10 21:48:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 21:48:42,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 21:48:42,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 21:48:42,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 21:48:42,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 21:48:43,456 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 21:48:43,456 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 21:48:43,456 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (= ~a25~0Int 1)) (.cse0 (<= 8 ~a17~0Int)) (.cse3 (<= ~a28~0Int 7)) (.cse4 (<= ~a19~0Int 0)) (.cse2 (= ~a11~0Int 1)) (.cse5 (<= ~a25~0Int 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (<= 9 ~a28~0Int) .cse1) (and .cse2 .cse3 .cse1) (and .cse2 .cse1 .cse4) (and .cse5 .cse4) (and .cse5 (<= ~a28~0Int 10)) (and .cse0 .cse3 .cse4) (and .cse2 .cse5))) [2022-01-10 21:48:43,456 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 21:48:43,456 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 21:48:43,456 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 21:48:43,457 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 21:48:43,457 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (= ~a25~0Int 1)) (.cse0 (<= 8 ~a17~0Int)) (.cse3 (<= ~a28~0Int 7)) (.cse4 (<= ~a19~0Int 0)) (.cse2 (= ~a11~0Int 1)) (.cse5 (<= ~a25~0Int 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (<= 9 ~a28~0Int) .cse1) (and .cse2 .cse3 .cse1) (and .cse2 .cse1 .cse4) (and .cse5 .cse4) (and .cse5 (<= ~a28~0Int 10)) (and .cse0 .cse3 .cse4) (and .cse2 .cse5))) [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 21:48:43,458 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 21:48:43,459 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 21:48:43,460 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 21:48:43,461 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 21:48:43,462 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 21:48:43,463 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 21:48:43,464 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 21:48:43,465 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 21:48:43,466 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 21:48:43,467 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 21:48:43,468 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,469 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 21:48:43,470 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 21:48:43,471 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,472 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 21:48:43,472 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,472 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 21:48:43,473 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 21:48:43,474 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 21:48:43,475 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 21:48:43,476 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 21:48:43,476 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 21:48:43,479 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:43,481 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 21:48:43,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:48:43 BasicIcfg [2022-01-10 21:48:43,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 21:48:43,513 INFO L158 Benchmark]: Toolchain (without parser) took 10181.87ms. Allocated memory was 202.4MB in the beginning and 420.5MB in the end (delta: 218.1MB). Free memory was 144.2MB in the beginning and 307.9MB in the end (delta: -163.7MB). Peak memory consumption was 184.0MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,513 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 21:48:43,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.06ms. Allocated memory was 202.4MB in the beginning and 243.3MB in the end (delta: 40.9MB). Free memory was 144.0MB in the beginning and 195.6MB in the end (delta: -51.6MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.68ms. Allocated memory is still 243.3MB. Free memory was 195.6MB in the beginning and 190.1MB in the end (delta: 5.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,514 INFO L158 Benchmark]: Boogie Preprocessor took 32.13ms. Allocated memory is still 243.3MB. Free memory was 190.1MB in the beginning and 185.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,514 INFO L158 Benchmark]: RCFGBuilder took 988.41ms. Allocated memory is still 243.3MB. Free memory was 185.6MB in the beginning and 178.4MB in the end (delta: 7.2MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,514 INFO L158 Benchmark]: IcfgTransformer took 196.34ms. Allocated memory is still 243.3MB. Free memory was 178.4MB in the beginning and 144.3MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,514 INFO L158 Benchmark]: TraceAbstraction took 8445.78ms. Allocated memory was 243.3MB in the beginning and 420.5MB in the end (delta: 177.2MB). Free memory was 143.8MB in the beginning and 307.9MB in the end (delta: -164.0MB). Peak memory consumption was 142.1MB. Max. memory is 8.0GB. [2022-01-10 21:48:43,515 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 202.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.06ms. Allocated memory was 202.4MB in the beginning and 243.3MB in the end (delta: 40.9MB). Free memory was 144.0MB in the beginning and 195.6MB in the end (delta: -51.6MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.68ms. Allocated memory is still 243.3MB. Free memory was 195.6MB in the beginning and 190.1MB in the end (delta: 5.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.13ms. Allocated memory is still 243.3MB. Free memory was 190.1MB in the beginning and 185.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 988.41ms. Allocated memory is still 243.3MB. Free memory was 185.6MB in the beginning and 178.4MB in the end (delta: 7.2MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * IcfgTransformer took 196.34ms. Allocated memory is still 243.3MB. Free memory was 178.4MB in the beginning and 144.3MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8445.78ms. Allocated memory was 243.3MB in the beginning and 420.5MB in the end (delta: 177.2MB). Free memory was 143.8MB in the beginning and 307.9MB in the end (delta: -164.0MB). Peak memory consumption was 142.1MB. 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: 470]: 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 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1625 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1625 mSDsluCounter, 1629 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 232 mSDsCounter, 856 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4478 IncrementalHoareTripleChecker+Invalid, 5334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 856 mSolverCounterUnsat, 1397 mSDtfsCounter, 4478 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2700occurred in iteration=9, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 763 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 562 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2194 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1426 NumberOfCodeBlocks, 1426 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1416 ConstructedInterpolants, 0 QuantifiedInterpolants, 5049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 737/737 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: 616]: Loop Invariant Derived loop invariant: ((((((((~bvule32(a25, 0bv32) && ~bvule32(a28, 10bv32)) || ((~bvule32(8bv32, a17) && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || ((1bv32 == a11 && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || (~bvule32(a25, 0bv32) && ~bvule32(a19, 0bv32))) || (~bvule32(8bv32, a17) && 1bv32 == a25)) || (1bv32 == a25 && ~bvule32(9bv32, a28))) || ((1bv32 == a11 && 1bv32 == a25) && ~bvule32(a28, 7bv32))) || (1bv32 == a11 && ~bvule32(a25, 0bv32))) || ((1bv32 == a11 && 1bv32 == a25) && ~bvule32(a19, 0bv32)) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((~bvule32(a25, 0bv32) && ~bvule32(a28, 10bv32)) || ((~bvule32(8bv32, a17) && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || ((1bv32 == a11 && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || (~bvule32(a25, 0bv32) && ~bvule32(a19, 0bv32))) || (~bvule32(8bv32, a17) && 1bv32 == a25)) || (1bv32 == a25 && ~bvule32(9bv32, a28))) || ((1bv32 == a11 && 1bv32 == a25) && ~bvule32(a28, 7bv32))) || (1bv32 == a11 && ~bvule32(a25, 0bv32))) || ((1bv32 == a11 && 1bv32 == a25) && ~bvule32(a19, 0bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 21:48:43,575 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...