/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_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:58:31,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:58:31,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:58:31,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 15:58:31,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:58:31,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:58:31,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:58:31,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:58:31,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:58:31,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:58:31,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:58:31,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:58:31,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:58:31,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:58:31,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:58:31,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:58:31,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 15:58:31,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:58:31,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:58:31,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:58:31,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:58:31,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:58:31,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:58:31,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:58:31,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:58:31,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:58:31,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:58:31,923 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:58:31,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:58:31,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:58:31,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:58:31,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:58:31,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:58:31,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:58:31,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:58:31,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:58:31,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:31,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:58:31,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:58:31,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:58:31,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:58:31,928 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:58:31,928 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:58:32,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:58:32,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:58:32,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:58:32,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:58:32,101 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:58:32,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2022-01-10 15:58:32,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a0bc4c82/5774ec1f20e741069a062f448b7530e9/FLAG18ceebb84 [2022-01-10 15:58:32,565 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:58:32,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2022-01-10 15:58:32,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a0bc4c82/5774ec1f20e741069a062f448b7530e9/FLAG18ceebb84 [2022-01-10 15:58:32,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a0bc4c82/5774ec1f20e741069a062f448b7530e9 [2022-01-10 15:58:32,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:58:32,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:58:32,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:32,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:58:32,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:58:32,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:32,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29213eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32, skipping insertion in model container [2022-01-10 15:58:32,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:32,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:58:32,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:58:32,872 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_label03.c[20079,20092] [2022-01-10 15:58:32,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:32,902 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:58:32,944 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_label03.c[20079,20092] [2022-01-10 15:58:32,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:32,958 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:58:32,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32 WrapperNode [2022-01-10 15:58:32,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:32,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:32,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:58:32,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:58:32,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:32,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,035 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 15:58:33,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:33,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:58:33,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:58:33,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:58:33,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:58:33,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:58:33,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:58:33,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:58:33,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:33,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:33,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:58:33,144 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 15:58:33,160 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 15:58:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:58:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:58:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:58:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:58:33,243 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:58:33,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:58:33,917 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:58:33,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:58:33,927 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:58:33,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:33 BoogieIcfgContainer [2022-01-10 15:58:33,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:58:33,930 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:58:33,930 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:58:33,931 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:58:33,933 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:33" (1/1) ... [2022-01-10 15:58:34,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:34 BasicIcfg [2022-01-10 15:58:34,124 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:58:34,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:58:34,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:58:34,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:58:34,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:58:32" (1/4) ... [2022-01-10 15:58:34,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768288b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:34, skipping insertion in model container [2022-01-10 15:58:34,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:32" (2/4) ... [2022-01-10 15:58:34,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768288b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:34, skipping insertion in model container [2022-01-10 15:58:34,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:33" (3/4) ... [2022-01-10 15:58:34,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768288b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:34, skipping insertion in model container [2022-01-10 15:58:34,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:34" (4/4) ... [2022-01-10 15:58:34,129 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label03.cTransformedIcfg [2022-01-10 15:58:34,133 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:58:34,133 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:58:34,179 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:58:34,185 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 15:58:34,186 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:58:34,202 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 15:58:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 15:58:34,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:34,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:34,215 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:34,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash -172262265, now seen corresponding path program 1 times [2022-01-10 15:58:34,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:34,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955248975] [2022-01-10 15:58:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:34,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:34,618 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 15:58:34,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:34,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955248975] [2022-01-10 15:58:34,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955248975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:34,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:34,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:34,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144371851] [2022-01-10 15:58:34,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:34,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:34,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:34,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:34,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:34,651 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 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 15:58:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:35,293 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2022-01-10 15:58:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:35,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 129 [2022-01-10 15:58:35,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:35,303 INFO L225 Difference]: With dead ends: 600 [2022-01-10 15:58:35,303 INFO L226 Difference]: Without dead ends: 309 [2022-01-10 15:58:35,306 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 15:58:35,308 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 37 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:35,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 171 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:35,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-01-10 15:58:35,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2022-01-10 15:58:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 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 15:58:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2022-01-10 15:58:35,340 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 129 [2022-01-10 15:58:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:35,340 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2022-01-10 15:58:35,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 15:58:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2022-01-10 15:58:35,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-10 15:58:35,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:35,342 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:35,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:58:35,343 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:35,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1508744902, now seen corresponding path program 1 times [2022-01-10 15:58:35,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:35,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593919372] [2022-01-10 15:58:35,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:35,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:35,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593919372] [2022-01-10 15:58:35,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593919372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:35,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:35,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:35,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687649050] [2022-01-10 15:58:35,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:35,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:35,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:35,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:35,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:35,501 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 15:58:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:35,935 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2022-01-10 15:58:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:35,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 15:58:35,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:35,938 INFO L225 Difference]: With dead ends: 758 [2022-01-10 15:58:35,938 INFO L226 Difference]: Without dead ends: 453 [2022-01-10 15:58:35,938 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 15:58:35,939 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 35 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:35,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 251 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-01-10 15:58:35,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2022-01-10 15:58:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 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 15:58:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2022-01-10 15:58:35,953 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 134 [2022-01-10 15:58:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:35,954 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2022-01-10 15:58:35,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 15:58:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2022-01-10 15:58:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-01-10 15:58:35,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:35,957 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:35,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:58:35,957 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:35,958 INFO L85 PathProgramCache]: Analyzing trace with hash -76310155, now seen corresponding path program 1 times [2022-01-10 15:58:35,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:35,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060889141] [2022-01-10 15:58:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:35,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:36,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:36,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060889141] [2022-01-10 15:58:36,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060889141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:36,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:36,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:36,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269961914] [2022-01-10 15:58:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:36,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:36,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:36,013 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 15:58:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:36,437 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2022-01-10 15:58:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:36,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 146 [2022-01-10 15:58:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:36,440 INFO L225 Difference]: With dead ends: 1325 [2022-01-10 15:58:36,440 INFO L226 Difference]: Without dead ends: 874 [2022-01-10 15:58:36,441 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 15:58:36,441 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 185 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:36,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-01-10 15:58:36,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2022-01-10 15:58:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.2302405498281788) internal successors, (1074), 873 states have internal predecessors, (1074), 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 15:58:36,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2022-01-10 15:58:36,462 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 146 [2022-01-10 15:58:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:36,462 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2022-01-10 15:58:36,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 15:58:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2022-01-10 15:58:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-10 15:58:36,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:36,466 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:36,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:58:36,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:36,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash -789783777, now seen corresponding path program 1 times [2022-01-10 15:58:36,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:36,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959078278] [2022-01-10 15:58:36,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:36,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:58:36,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:36,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959078278] [2022-01-10 15:58:36,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959078278] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:36,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:36,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:36,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099026942] [2022-01-10 15:58:36,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:36,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:36,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:36,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:36,581 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 15:58:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:36,976 INFO L93 Difference]: Finished difference Result 2445 states and 3022 transitions. [2022-01-10 15:58:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:36,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 159 [2022-01-10 15:58:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:36,980 INFO L225 Difference]: With dead ends: 2445 [2022-01-10 15:58:36,980 INFO L226 Difference]: Without dead ends: 1573 [2022-01-10 15:58:36,981 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 15:58:36,982 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 89 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:36,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 43 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:36,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-01-10 15:58:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1153. [2022-01-10 15:58:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2821180555555556) internal successors, (1477), 1152 states have internal predecessors, (1477), 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 15:58:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1477 transitions. [2022-01-10 15:58:37,005 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1477 transitions. Word has length 159 [2022-01-10 15:58:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:37,005 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1477 transitions. [2022-01-10 15:58:37,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 15:58:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1477 transitions. [2022-01-10 15:58:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 15:58:37,007 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:37,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:37,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:58:37,008 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:37,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1834025253, now seen corresponding path program 1 times [2022-01-10 15:58:37,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:37,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454792246] [2022-01-10 15:58:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:37,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:37,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:37,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454792246] [2022-01-10 15:58:37,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454792246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:37,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:37,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:37,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975053440] [2022-01-10 15:58:37,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:37,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:37,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:37,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:37,068 INFO L87 Difference]: Start difference. First operand 1153 states and 1477 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 15:58:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:37,271 INFO L93 Difference]: Finished difference Result 2153 states and 2747 transitions. [2022-01-10 15:58:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:37,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 183 [2022-01-10 15:58:37,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:37,274 INFO L225 Difference]: With dead ends: 2153 [2022-01-10 15:58:37,274 INFO L226 Difference]: Without dead ends: 1002 [2022-01-10 15:58:37,275 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 15:58:37,276 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 161 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:37,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 23 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 15:58:37,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-01-10 15:58:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2022-01-10 15:58:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.2157842157842158) internal successors, (1217), 1001 states have internal predecessors, (1217), 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 15:58:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1217 transitions. [2022-01-10 15:58:37,288 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1217 transitions. Word has length 183 [2022-01-10 15:58:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:37,288 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1217 transitions. [2022-01-10 15:58:37,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 15:58:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1217 transitions. [2022-01-10 15:58:37,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-01-10 15:58:37,291 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:37,291 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:37,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:58:37,291 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:37,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:37,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1655936360, now seen corresponding path program 1 times [2022-01-10 15:58:37,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:37,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645398342] [2022-01-10 15:58:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:37,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-01-10 15:58:37,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:37,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645398342] [2022-01-10 15:58:37,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645398342] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:37,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:37,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:37,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360872549] [2022-01-10 15:58:37,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:37,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:37,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:37,387 INFO L87 Difference]: Start difference. First operand 1002 states and 1217 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 15:58:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:37,714 INFO L93 Difference]: Finished difference Result 2142 states and 2587 transitions. [2022-01-10 15:58:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:37,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 201 [2022-01-10 15:58:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:37,717 INFO L225 Difference]: With dead ends: 2142 [2022-01-10 15:58:37,717 INFO L226 Difference]: Without dead ends: 999 [2022-01-10 15:58:37,718 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 15:58:37,720 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 149 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:37,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 38 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-01-10 15:58:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2022-01-10 15:58:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.1182364729458918) internal successors, (1116), 998 states have internal predecessors, (1116), 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 15:58:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2022-01-10 15:58:37,734 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 201 [2022-01-10 15:58:37,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:37,735 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2022-01-10 15:58:37,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 15:58:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2022-01-10 15:58:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-01-10 15:58:37,737 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:37,737 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:37,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:58:37,737 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:37,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:37,737 INFO L85 PathProgramCache]: Analyzing trace with hash 941085844, now seen corresponding path program 1 times [2022-01-10 15:58:37,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:37,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477324089] [2022-01-10 15:58:37,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:37,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-01-10 15:58:37,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:37,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477324089] [2022-01-10 15:58:37,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477324089] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:37,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:37,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:37,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670533081] [2022-01-10 15:58:37,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:37,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:37,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:37,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:37,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:37,820 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 15:58:38,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:38,129 INFO L93 Difference]: Finished difference Result 2557 states and 2829 transitions. [2022-01-10 15:58:38,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:38,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 205 [2022-01-10 15:58:38,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:38,133 INFO L225 Difference]: With dead ends: 2557 [2022-01-10 15:58:38,133 INFO L226 Difference]: Without dead ends: 1418 [2022-01-10 15:58:38,134 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 15:58:38,134 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 132 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:38,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 215 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:38,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2022-01-10 15:58:38,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1415. [2022-01-10 15:58:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1414 states have (on average 1.0714285714285714) internal successors, (1515), 1414 states have internal predecessors, (1515), 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 15:58:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1515 transitions. [2022-01-10 15:58:38,150 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1515 transitions. Word has length 205 [2022-01-10 15:58:38,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:38,150 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 1515 transitions. [2022-01-10 15:58:38,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 15:58:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1515 transitions. [2022-01-10 15:58:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-01-10 15:58:38,152 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:38,153 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:38,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:58:38,153 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:38,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 877166329, now seen corresponding path program 1 times [2022-01-10 15:58:38,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:38,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295847] [2022-01-10 15:58:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:38,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-10 15:58:38,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:38,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295847] [2022-01-10 15:58:38,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:38,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:38,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:38,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636669243] [2022-01-10 15:58:38,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:38,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:38,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:38,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:38,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:38,244 INFO L87 Difference]: Start difference. First operand 1415 states and 1515 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 15:58:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:38,573 INFO L93 Difference]: Finished difference Result 3107 states and 3332 transitions. [2022-01-10 15:58:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:38,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 227 [2022-01-10 15:58:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:38,578 INFO L225 Difference]: With dead ends: 3107 [2022-01-10 15:58:38,578 INFO L226 Difference]: Without dead ends: 1834 [2022-01-10 15:58:38,581 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 15:58:38,581 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 127 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:38,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 28 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-01-10 15:58:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1414. [2022-01-10 15:58:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1413 states have (on average 1.0707714083510262) internal successors, (1513), 1413 states have internal predecessors, (1513), 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 15:58:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1513 transitions. [2022-01-10 15:58:38,610 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1513 transitions. Word has length 227 [2022-01-10 15:58:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:38,612 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 1513 transitions. [2022-01-10 15:58:38,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 15:58:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1513 transitions. [2022-01-10 15:58:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-01-10 15:58:38,616 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:38,616 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:38,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:58:38,616 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1968969977, now seen corresponding path program 1 times [2022-01-10 15:58:38,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:38,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454899095] [2022-01-10 15:58:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:38,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:58:38,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:38,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454899095] [2022-01-10 15:58:38,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454899095] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:38,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:38,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:38,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401292093] [2022-01-10 15:58:38,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:38,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:38,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:38,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:38,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:38,812 INFO L87 Difference]: Start difference. First operand 1414 states and 1513 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 15:58:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:39,146 INFO L93 Difference]: Finished difference Result 2770 states and 2981 transitions. [2022-01-10 15:58:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:39,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 227 [2022-01-10 15:58:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:39,150 INFO L225 Difference]: With dead ends: 2770 [2022-01-10 15:58:39,150 INFO L226 Difference]: Without dead ends: 1414 [2022-01-10 15:58:39,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 15:58:39,151 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 116 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:39,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 29 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:39,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-01-10 15:58:39,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2022-01-10 15:58:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1413 states have (on average 1.0679405520169851) internal successors, (1509), 1413 states have internal predecessors, (1509), 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 15:58:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1509 transitions. [2022-01-10 15:58:39,190 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1509 transitions. Word has length 227 [2022-01-10 15:58:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:39,190 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 1509 transitions. [2022-01-10 15:58:39,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 15:58:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1509 transitions. [2022-01-10 15:58:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-01-10 15:58:39,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:39,193 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:39,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:58:39,193 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash 357139436, now seen corresponding path program 1 times [2022-01-10 15:58:39,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:39,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579125756] [2022-01-10 15:58:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:39,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-01-10 15:58:39,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:39,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579125756] [2022-01-10 15:58:39,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579125756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:39,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:39,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:39,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447887462] [2022-01-10 15:58:39,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:39,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:39,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:39,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:39,267 INFO L87 Difference]: Start difference. First operand 1414 states and 1509 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 15:58:39,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:39,594 INFO L93 Difference]: Finished difference Result 3106 states and 3319 transitions. [2022-01-10 15:58:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:39,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 249 [2022-01-10 15:58:39,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:39,597 INFO L225 Difference]: With dead ends: 3106 [2022-01-10 15:58:39,597 INFO L226 Difference]: Without dead ends: 1134 [2022-01-10 15:58:39,599 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 15:58:39,599 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:39,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 201 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:39,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-01-10 15:58:39,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1134. [2022-01-10 15:58:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.0450132391879965) internal successors, (1184), 1133 states have internal predecessors, (1184), 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 15:58:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1184 transitions. [2022-01-10 15:58:39,612 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1184 transitions. Word has length 249 [2022-01-10 15:58:39,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:39,613 INFO L470 AbstractCegarLoop]: Abstraction has 1134 states and 1184 transitions. [2022-01-10 15:58:39,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 15:58:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1184 transitions. [2022-01-10 15:58:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-01-10 15:58:39,615 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:39,615 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:39,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:58:39,616 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:39,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1175358565, now seen corresponding path program 1 times [2022-01-10 15:58:39,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:39,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737024553] [2022-01-10 15:58:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:39,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-01-10 15:58:39,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:39,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737024553] [2022-01-10 15:58:39,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737024553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:39,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:39,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:39,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248094910] [2022-01-10 15:58:39,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:39,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:39,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:39,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:39,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:39,726 INFO L87 Difference]: Start difference. First operand 1134 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 15:58:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:40,004 INFO L93 Difference]: Finished difference Result 1982 states and 2082 transitions. [2022-01-10 15:58:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 292 [2022-01-10 15:58:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:40,005 INFO L225 Difference]: With dead ends: 1982 [2022-01-10 15:58:40,005 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:58:40,007 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 15:58:40,007 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 119 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:40,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 31 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:40,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:58:40,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:58:40,008 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 15:58:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:58:40,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2022-01-10 15:58:40,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:40,008 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:58:40,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 15:58:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:58:40,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:58:40,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:58:40,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:58:40,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:58:40,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,351 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,351 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a11~0Int 1))) (let ((.cse5 (<= 8 ~a17~0Int)) (.cse4 (<= ~a28~0Int 10)) (.cse8 (<= ~a28~0Int 7)) (.cse1 (<= ~a17~0Int 8)) (.cse2 (= ~a21~0Int 1)) (.cse3 (<= 10 ~a28~0Int)) (.cse6 (not .cse0)) (.cse9 (= ~a25~0Int 1)) (.cse7 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~a28~0Int 8) .cse1 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse5 .cse8) (and .cse0 (= 7 ~a17~0Int) (= 9 ~a28~0Int) .cse2 (= ~a19~0Int 0) .cse9) (and .cse1 .cse8 .cse9 .cse7) (and .cse1 .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse1 .cse2 .cse6 .cse8 .cse7) (and .cse1 .cse2 .cse3 .cse6 .cse9 .cse7)))) [2022-01-10 15:58:40,351 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 15:58:40,351 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 15:58:40,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a11~0Int 1))) (let ((.cse5 (<= 8 ~a17~0Int)) (.cse4 (<= ~a28~0Int 10)) (.cse8 (<= ~a28~0Int 7)) (.cse1 (<= ~a17~0Int 8)) (.cse2 (= ~a21~0Int 1)) (.cse3 (<= 10 ~a28~0Int)) (.cse6 (not .cse0)) (.cse9 (= ~a25~0Int 1)) (.cse7 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~a28~0Int 8) .cse1 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse5 .cse8) (and .cse0 (= 7 ~a17~0Int) (= 9 ~a28~0Int) .cse2 (= ~a19~0Int 0) .cse9) (and .cse1 .cse8 .cse9 .cse7) (and .cse1 .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse1 .cse2 .cse6 .cse8 .cse7) (and .cse1 .cse2 .cse3 .cse6 .cse9 .cse7)))) [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 15:58:40,352 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 15:58:40,353 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 15:58:40,354 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:40,355 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 15:58:40,356 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 15:58:40,357 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 15:58:40,358 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 15:58:40,359 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,360 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 15:58:40,361 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 15:58:40,362 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,363 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 15:58:40,364 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 15:58:40,366 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:40,367 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:58:40,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:40 BasicIcfg [2022-01-10 15:58:40,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:58:40,392 INFO L158 Benchmark]: Toolchain (without parser) took 7800.23ms. Allocated memory was 216.0MB in the beginning and 446.7MB in the end (delta: 230.7MB). Free memory was 157.5MB in the beginning and 223.1MB in the end (delta: -65.6MB). Peak memory consumption was 166.1MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,393 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 216.0MB. Free memory is still 175.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:58:40,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.87ms. Allocated memory was 216.0MB in the beginning and 341.8MB in the end (delta: 125.8MB). Free memory was 157.2MB in the beginning and 295.7MB in the end (delta: -138.4MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.81ms. Allocated memory is still 341.8MB. Free memory was 295.7MB in the beginning and 290.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,393 INFO L158 Benchmark]: Boogie Preprocessor took 58.97ms. Allocated memory is still 341.8MB. Free memory was 290.4MB in the beginning and 286.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,404 INFO L158 Benchmark]: RCFGBuilder took 833.63ms. Allocated memory is still 341.8MB. Free memory was 286.2MB in the beginning and 228.0MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,404 INFO L158 Benchmark]: IcfgTransformer took 194.18ms. Allocated memory is still 341.8MB. Free memory was 228.0MB in the beginning and 195.5MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,404 INFO L158 Benchmark]: TraceAbstraction took 6266.69ms. Allocated memory was 341.8MB in the beginning and 446.7MB in the end (delta: 104.9MB). Free memory was 195.0MB in the beginning and 223.1MB in the end (delta: -28.1MB). Peak memory consumption was 77.8MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 216.0MB. Free memory is still 175.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.87ms. Allocated memory was 216.0MB in the beginning and 341.8MB in the end (delta: 125.8MB). Free memory was 157.2MB in the beginning and 295.7MB in the end (delta: -138.4MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.81ms. Allocated memory is still 341.8MB. Free memory was 295.7MB in the beginning and 290.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.97ms. Allocated memory is still 341.8MB. Free memory was 290.4MB in the beginning and 286.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 833.63ms. Allocated memory is still 341.8MB. Free memory was 286.2MB in the beginning and 228.0MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * IcfgTransformer took 194.18ms. Allocated memory is still 341.8MB. Free memory was 228.0MB in the beginning and 195.5MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 6266.69ms. Allocated memory was 341.8MB in the beginning and 446.7MB in the end (delta: 104.9MB). Free memory was 195.0MB in the beginning and 223.1MB in the end (delta: -28.1MB). Peak memory consumption was 77.8MB. 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: 569]: 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: 6.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1245 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1245 mSDsluCounter, 1109 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 608 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3656 IncrementalHoareTripleChecker+Invalid, 4264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 608 mSolverCounterUnsat, 990 mSDtfsCounter, 3656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1415occurred in iteration=7, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 845 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 323 HoareAnnotationTreeSize, 3 FomulaSimplifications, 192 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 590 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2152 NumberOfCodeBlocks, 2152 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2141 ConstructedInterpolants, 0 QuantifiedInterpolants, 6072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 1240/1240 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(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21) || (((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a19) && ~bvule32(a28, 10bv32))) || (((~bvule32(a17, 8bv32) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 7bv32))) || ((((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a11) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && !(1bv32 == a11)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || ((((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a25) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((((0bv32 == a19 && 7bv32 == a17) && 1bv32 == a11) && 1bv32 == a25) && a28 == 9bv32) && 1bv32 == a21)) || ((((~bvule32(a17, 8bv32) && !(1bv32 == a11)) && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21) || (((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a19) && ~bvule32(a28, 10bv32))) || (((~bvule32(a17, 8bv32) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 7bv32))) || ((((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a11) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && !(1bv32 == a11)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || ((((~bvule32(10bv32, a28) && ~bvule32(a17, 8bv32)) && 1bv32 == a25) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && ~bvule32(a17, 8bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((((0bv32 == a19 && 7bv32 == a17) && 1bv32 == a11) && 1bv32 == a25) && a28 == 9bv32) && 1bv32 == a21)) || ((((~bvule32(a17, 8bv32) && !(1bv32 == a11)) && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:58:40,434 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...