/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:00:10,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:00:10,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:00:10,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:00:10,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 00:00:10,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:00:10,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:00:10,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:00:10,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:00:10,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:00:10,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:00:10,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:00:10,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:00:10,939 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:00:10,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:00:10,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:00:10,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:00:10,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:00:10,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:00:10,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:00:10,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:00:10,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:00:11,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:00:11,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:00:11,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:00:11,216 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:00:11,217 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:00:11,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2022-01-10 00:00:11,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418ce0271/06d71ca9c95e4ca38cf3df943009822d/FLAGcd8380fdc [2022-01-10 00:00:11,775 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:00:11,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2022-01-10 00:00:11,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418ce0271/06d71ca9c95e4ca38cf3df943009822d/FLAGcd8380fdc [2022-01-10 00:00:12,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418ce0271/06d71ca9c95e4ca38cf3df943009822d [2022-01-10 00:00:12,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:00:12,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:00:12,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:00:12,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:00:12,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:00:12,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c4b8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12, skipping insertion in model container [2022-01-10 00:00:12,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:00:12,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:00:12,569 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/Problem10_label13.c[6334,6347] [2022-01-10 00:00:12,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:00:12,692 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:00:12,722 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/Problem10_label13.c[6334,6347] [2022-01-10 00:00:12,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:00:12,771 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:00:12,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12 WrapperNode [2022-01-10 00:00:12,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:00:12,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:00:12,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:00:12,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:00:12,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,854 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-01-10 00:00:12,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:00:12,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:00:12,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:00:12,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:00:12,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:00:12,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:00:12,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:00:12,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:00:12,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (1/1) ... [2022-01-10 00:00:12,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:00:12,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:00:12,962 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 00:00:12,971 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 00:00:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:00:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:00:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:00:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:00:13,097 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:00:13,099 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:00:13,909 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:00:13,917 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:00:13,918 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 00:00:13,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:00:13 BoogieIcfgContainer [2022-01-10 00:00:13,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:00:13,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:00:13,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:00:13,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:00:13,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:00:12" (1/3) ... [2022-01-10 00:00:13,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0e11b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:00:13, skipping insertion in model container [2022-01-10 00:00:13,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:00:12" (2/3) ... [2022-01-10 00:00:13,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0e11b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:00:13, skipping insertion in model container [2022-01-10 00:00:13,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:00:13" (3/3) ... [2022-01-10 00:00:13,927 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2022-01-10 00:00:13,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:00:13,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:00:13,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:00:13,983 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 00:00:13,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:00:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 00:00:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 00:00:14,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:14,010 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] [2022-01-10 00:00:14,010 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2022-01-10 00:00:14,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:14,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597019751] [2022-01-10 00:00:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:14,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:14,356 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 00:00:14,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:14,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597019751] [2022-01-10 00:00:14,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597019751] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:14,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:00:14,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190735095] [2022-01-10 00:00:14,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:14,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:14,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:14,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:14,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:00:14,416 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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 00:00:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:15,240 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-01-10 00:00:15,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:15,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2022-01-10 00:00:15,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:15,252 INFO L225 Difference]: With dead ends: 552 [2022-01-10 00:00:15,252 INFO L226 Difference]: Without dead ends: 282 [2022-01-10 00:00:15,255 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 00:00:15,258 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 108 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:15,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:00:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-01-10 00:00:15,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-01-10 00:00:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 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 00:00:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2022-01-10 00:00:15,315 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 55 [2022-01-10 00:00:15,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:15,316 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2022-01-10 00:00:15,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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 00:00:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2022-01-10 00:00:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 00:00:15,327 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:15,327 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:00:15,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:00:15,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:15,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:15,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2042555292, now seen corresponding path program 1 times [2022-01-10 00:00:15,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:15,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952463677] [2022-01-10 00:00:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:15,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:15,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:15,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952463677] [2022-01-10 00:00:15,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952463677] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:15,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:15,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:00:15,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178423035] [2022-01-10 00:00:15,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:15,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:15,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:15,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:15,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:00:15,470 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:00:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:15,963 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2022-01-10 00:00:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 121 [2022-01-10 00:00:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:15,969 INFO L225 Difference]: With dead ends: 701 [2022-01-10 00:00:15,969 INFO L226 Difference]: Without dead ends: 421 [2022-01-10 00:00:15,989 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 00:00:15,991 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 91 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:15,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 215 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:00:15,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-01-10 00:00:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-01-10 00:00:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2523809523809524) internal successors, (526), 420 states have internal predecessors, (526), 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 00:00:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2022-01-10 00:00:16,013 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 121 [2022-01-10 00:00:16,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:16,014 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2022-01-10 00:00:16,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:00:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2022-01-10 00:00:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-10 00:00:16,033 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:16,033 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, 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] [2022-01-10 00:00:16,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:00:16,033 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:16,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1371951955, now seen corresponding path program 1 times [2022-01-10 00:00:16,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:16,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084778759] [2022-01-10 00:00:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:16,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:16,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:16,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084778759] [2022-01-10 00:00:16,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084778759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:16,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:16,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:00:16,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880621162] [2022-01-10 00:00:16,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:16,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:16,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:16,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:16,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:00:16,234 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 00:00:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:16,548 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2022-01-10 00:00:16,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:16,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 128 [2022-01-10 00:00:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:16,551 INFO L225 Difference]: With dead ends: 979 [2022-01-10 00:00:16,551 INFO L226 Difference]: Without dead ends: 560 [2022-01-10 00:00:16,552 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 00:00:16,552 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:16,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 00:00:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-01-10 00:00:16,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2022-01-10 00:00:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2075134168157424) internal successors, (675), 559 states have internal predecessors, (675), 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 00:00:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2022-01-10 00:00:16,571 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 128 [2022-01-10 00:00:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:16,571 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2022-01-10 00:00:16,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 00:00:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2022-01-10 00:00:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-01-10 00:00:16,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:16,590 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, 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] [2022-01-10 00:00:16,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 00:00:16,591 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1762411064, now seen corresponding path program 1 times [2022-01-10 00:00:16,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:16,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530116627] [2022-01-10 00:00:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:16,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:16,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:16,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530116627] [2022-01-10 00:00:16,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530116627] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:00:16,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146382731] [2022-01-10 00:00:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:16,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:00:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:00:16,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 00:00:16,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 00:00:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:16,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:00:16,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:00:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:17,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:00:17,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146382731] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:17,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:00:17,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-01-10 00:00:17,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728696349] [2022-01-10 00:00:17,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:17,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:17,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:17,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 00:00:17,362 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 00:00:17,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:17,770 INFO L93 Difference]: Finished difference Result 979 states and 1199 transitions. [2022-01-10 00:00:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:17,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2022-01-10 00:00:17,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:17,775 INFO L225 Difference]: With dead ends: 979 [2022-01-10 00:00:17,775 INFO L226 Difference]: Without dead ends: 977 [2022-01-10 00:00:17,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 00:00:17,777 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 129 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:17,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 11 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:00:17,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-01-10 00:00:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2022-01-10 00:00:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2736389684813754) internal successors, (889), 698 states have internal predecessors, (889), 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 00:00:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2022-01-10 00:00:17,817 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 130 [2022-01-10 00:00:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:17,818 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2022-01-10 00:00:17,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 00:00:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2022-01-10 00:00:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-01-10 00:00:17,821 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:17,821 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:00:17,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 00:00:18,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:00:18,056 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:18,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1726354278, now seen corresponding path program 1 times [2022-01-10 00:00:18,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:18,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719655601] [2022-01-10 00:00:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:18,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:18,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:18,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719655601] [2022-01-10 00:00:18,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719655601] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:18,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:18,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:00:18,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360932622] [2022-01-10 00:00:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:18,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:00:18,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:18,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:00:18,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:00:18,296 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 3 states have internal predecessors, (173), 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 00:00:18,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:18,688 INFO L93 Difference]: Finished difference Result 1271 states and 1641 transitions. [2022-01-10 00:00:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 00:00:18,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 3 states have internal predecessors, (173), 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 173 [2022-01-10 00:00:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:18,692 INFO L225 Difference]: With dead ends: 1271 [2022-01-10 00:00:18,692 INFO L226 Difference]: Without dead ends: 713 [2022-01-10 00:00:18,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:00:18,696 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 90 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:18,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 92 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 00:00:18,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-01-10 00:00:18,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2022-01-10 00:00:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2664756446991403) internal successors, (884), 698 states have internal predecessors, (884), 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 00:00:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 884 transitions. [2022-01-10 00:00:18,734 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 884 transitions. Word has length 173 [2022-01-10 00:00:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:18,738 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 884 transitions. [2022-01-10 00:00:18,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 3 states have internal predecessors, (173), 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 00:00:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 884 transitions. [2022-01-10 00:00:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-01-10 00:00:18,743 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:18,743 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:00:18,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 00:00:18,743 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1617583127, now seen corresponding path program 1 times [2022-01-10 00:00:18,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:18,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426435859] [2022-01-10 00:00:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:18,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:19,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:19,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426435859] [2022-01-10 00:00:19,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426435859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:19,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:19,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 00:00:19,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987676199] [2022-01-10 00:00:19,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:19,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 00:00:19,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:19,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 00:00:19,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:00:19,043 INFO L87 Difference]: Start difference. First operand 699 states and 884 transitions. Second operand has 7 states, 7 states have (on average 29.714285714285715) internal successors, (208), 6 states have internal predecessors, (208), 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 00:00:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:19,534 INFO L93 Difference]: Finished difference Result 1312 states and 1677 transitions. [2022-01-10 00:00:19,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 00:00:19,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.714285714285715) internal successors, (208), 6 states have internal predecessors, (208), 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 208 [2022-01-10 00:00:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:19,537 INFO L225 Difference]: With dead ends: 1312 [2022-01-10 00:00:19,537 INFO L226 Difference]: Without dead ends: 699 [2022-01-10 00:00:19,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:00:19,540 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 179 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:19,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 30 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:00:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-01-10 00:00:19,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2022-01-10 00:00:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2607449856733524) internal successors, (880), 698 states have internal predecessors, (880), 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 00:00:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 880 transitions. [2022-01-10 00:00:19,570 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 880 transitions. Word has length 208 [2022-01-10 00:00:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:19,570 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 880 transitions. [2022-01-10 00:00:19,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.714285714285715) internal successors, (208), 6 states have internal predecessors, (208), 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 00:00:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 880 transitions. [2022-01-10 00:00:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-01-10 00:00:19,573 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:19,574 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:00:19,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 00:00:19,574 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:19,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1784057475, now seen corresponding path program 1 times [2022-01-10 00:00:19,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:19,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235892014] [2022-01-10 00:00:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:19,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:19,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:19,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235892014] [2022-01-10 00:00:19,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235892014] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:19,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:19,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:00:19,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771406391] [2022-01-10 00:00:19,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:19,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:19,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:19,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:19,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:00:19,778 INFO L87 Difference]: Start difference. First operand 699 states and 880 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 00:00:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:20,115 INFO L93 Difference]: Finished difference Result 1535 states and 2042 transitions. [2022-01-10 00:00:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:20,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 244 [2022-01-10 00:00:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:20,119 INFO L225 Difference]: With dead ends: 1535 [2022-01-10 00:00:20,119 INFO L226 Difference]: Without dead ends: 977 [2022-01-10 00:00:20,121 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 00:00:20,122 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 75 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:20,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 190 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 00:00:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-01-10 00:00:20,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 838. [2022-01-10 00:00:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2592592592592593) internal successors, (1054), 837 states have internal predecessors, (1054), 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 00:00:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1054 transitions. [2022-01-10 00:00:20,158 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1054 transitions. Word has length 244 [2022-01-10 00:00:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:20,159 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1054 transitions. [2022-01-10 00:00:20,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 00:00:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1054 transitions. [2022-01-10 00:00:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-01-10 00:00:20,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:20,163 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:00:20,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 00:00:20,163 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:20,164 INFO L85 PathProgramCache]: Analyzing trace with hash -724262486, now seen corresponding path program 1 times [2022-01-10 00:00:20,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:20,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573005046] [2022-01-10 00:00:20,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 120 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:00:20,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:20,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573005046] [2022-01-10 00:00:20,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573005046] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:00:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986293930] [2022-01-10 00:00:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:20,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:00:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:00:20,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 00:00:20,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 00:00:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:20,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:00:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:00:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-01-10 00:00:21,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:00:21,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986293930] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:21,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:00:21,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-01-10 00:00:21,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693805050] [2022-01-10 00:00:21,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:21,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:21,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:21,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:21,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:00:21,210 INFO L87 Difference]: Start difference. First operand 838 states and 1054 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 00:00:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:21,587 INFO L93 Difference]: Finished difference Result 1813 states and 2295 transitions. [2022-01-10 00:00:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 287 [2022-01-10 00:00:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:21,592 INFO L225 Difference]: With dead ends: 1813 [2022-01-10 00:00:21,592 INFO L226 Difference]: Without dead ends: 1116 [2022-01-10 00:00:21,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:00:21,594 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 55 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:21,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 34 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:00:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-01-10 00:00:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2022-01-10 00:00:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.1713004484304932) internal successors, (1306), 1115 states have internal predecessors, (1306), 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 00:00:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2022-01-10 00:00:21,613 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 287 [2022-01-10 00:00:21,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:21,613 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2022-01-10 00:00:21,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 00:00:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2022-01-10 00:00:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-01-10 00:00:21,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:00:21,619 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:00:21,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 00:00:21,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-01-10 00:00:21,836 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:00:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:00:21,836 INFO L85 PathProgramCache]: Analyzing trace with hash -524971941, now seen corresponding path program 1 times [2022-01-10 00:00:21,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:00:21,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129662633] [2022-01-10 00:00:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:00:21,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:00:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:00:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-01-10 00:00:21,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:00:21,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129662633] [2022-01-10 00:00:21,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129662633] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:00:21,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:00:21,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:00:21,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331036919] [2022-01-10 00:00:21,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:00:21,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:00:21,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:00:21,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:00:21,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:00:21,957 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 00:00:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:00:22,369 INFO L93 Difference]: Finished difference Result 2923 states and 3437 transitions. [2022-01-10 00:00:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:00:22,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 354 [2022-01-10 00:00:22,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:00:22,370 INFO L225 Difference]: With dead ends: 2923 [2022-01-10 00:00:22,370 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 00:00:22,372 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 00:00:22,373 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 89 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:00:22,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 48 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:00:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 00:00:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 00:00:22,374 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 00:00:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 00:00:22,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2022-01-10 00:00:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:00:22,374 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 00:00:22,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 00:00:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 00:00:22,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 00:00:22,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:00:22,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 00:00:22,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 00:00:22,576 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-01-10 00:00:22,576 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-01-10 00:00:22,577 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-01-10 00:00:22,578 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-01-10 00:00:22,579 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-10 00:00:22,580 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-01-10 00:00:22,581 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-01-10 00:00:22,582 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,583 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-01-10 00:00:22,584 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 8 ~a19~0) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a1~0 33)) (and .cse0 .cse1 (= ~a10~0 2) .cse2) (and (= ~a10~0 1) .cse1 .cse2))) [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,585 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-01-10 00:00:22,586 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-01-10 00:00:22,586 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-01-10 00:00:22,587 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-01-10 00:00:22,588 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 8 ~a19~0) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a1~0 33)) (and .cse0 .cse1 (= ~a10~0 2) .cse2) (and (= ~a10~0 1) .cse1 .cse2))) [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,589 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-01-10 00:00:22,590 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-01-10 00:00:22,591 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-01-10 00:00:22,592 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-01-10 00:00:22,595 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:00:22,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:00:22,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:00:22 BoogieIcfgContainer [2022-01-10 00:00:22,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:00:22,608 INFO L158 Benchmark]: Toolchain (without parser) took 10354.67ms. Allocated memory was 188.7MB in the beginning and 339.7MB in the end (delta: 151.0MB). Free memory was 132.7MB in the beginning and 282.6MB in the end (delta: -149.9MB). Peak memory consumption was 147.3MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,608 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:00:22,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.69ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 145.3MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.18ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 136.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,608 INFO L158 Benchmark]: Boogie Preprocessor took 64.43ms. Allocated memory is still 188.7MB. Free memory was 136.8MB in the beginning and 132.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,609 INFO L158 Benchmark]: RCFGBuilder took 999.49ms. Allocated memory is still 188.7MB. Free memory was 132.1MB in the beginning and 71.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,609 INFO L158 Benchmark]: TraceAbstraction took 8686.37ms. Allocated memory was 188.7MB in the beginning and 339.7MB in the end (delta: 151.0MB). Free memory was 70.8MB in the beginning and 282.6MB in the end (delta: -211.8MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2022-01-10 00:00:22,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 501.69ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 145.3MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 82.18ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 136.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.43ms. Allocated memory is still 188.7MB. Free memory was 136.8MB in the beginning and 132.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 999.49ms. Allocated memory is still 188.7MB. Free memory was 132.1MB in the beginning and 71.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8686.37ms. Allocated memory was 188.7MB in the beginning and 339.7MB in the end (delta: 151.0MB). Free memory was 70.8MB in the beginning and 282.6MB in the end (delta: -211.8MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 884 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 884 mSDsluCounter, 817 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 573 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3991 IncrementalHoareTripleChecker+Invalid, 4564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 573 mSolverCounterUnsat, 755 mSDtfsCounter, 3991 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=8, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 431 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 525 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 453 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2117 NumberOfCodeBlocks, 2117 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2106 ConstructedInterpolants, 0 QuantifiedInterpolants, 10827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 622 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1355/1464 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a12 == 0) && a1 <= 33)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a12 == 0) && a1 <= 33)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 00:00:22,626 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...