/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/Problem14_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:13:31,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:13:31,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:13:31,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:13:31,559 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 00:13:31,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:13:31,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:13:31,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:13:31,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:13:31,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:13:31,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:13:31,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:13:31,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:13:31,586 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:13:31,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:13:31,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:13:31,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:13:31,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:13:31,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:13:31,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:13:31,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:13:31,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:13:31,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:13:31,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:13:31,798 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:13:31,799 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:13:31,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2022-01-10 00:13:31,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8130d69/d285128d936c41edbb4284d8cbff50eb/FLAGa79cc77ab [2022-01-10 00:13:32,293 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:13:32,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2022-01-10 00:13:32,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8130d69/d285128d936c41edbb4284d8cbff50eb/FLAGa79cc77ab [2022-01-10 00:13:32,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8130d69/d285128d936c41edbb4284d8cbff50eb [2022-01-10 00:13:32,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:13:32,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:13:32,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:13:32,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:13:32,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:13:32,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a87905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32, skipping insertion in model container [2022-01-10 00:13:32,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:13:32,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:13:32,605 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/Problem14_label20.c[6130,6143] [2022-01-10 00:13:32,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:13:32,742 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:13:32,767 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/Problem14_label20.c[6130,6143] [2022-01-10 00:13:32,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:13:32,879 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:13:32,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32 WrapperNode [2022-01-10 00:13:32,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:13:32,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:13:32,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:13:32,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:13:32,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,977 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-01-10 00:13:32,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:13:32,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:13:32,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:13:32,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:13:32,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:32,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:33,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:33,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:33,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:33,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:13:33,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:13:33,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:13:33,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:13:33,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (1/1) ... [2022-01-10 00:13:33,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:13:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:13:33,099 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 00:13:33,144 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 00:13:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:13:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:13:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:13:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:13:33,213 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:13:33,214 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:13:34,070 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:13:34,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:13:34,089 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 00:13:34,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:13:34 BoogieIcfgContainer [2022-01-10 00:13:34,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:13:34,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:13:34,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:13:34,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:13:34,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:13:32" (1/3) ... [2022-01-10 00:13:34,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c64cf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:13:34, skipping insertion in model container [2022-01-10 00:13:34,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:13:32" (2/3) ... [2022-01-10 00:13:34,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c64cf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:13:34, skipping insertion in model container [2022-01-10 00:13:34,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:13:34" (3/3) ... [2022-01-10 00:13:34,096 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2022-01-10 00:13:34,099 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:13:34,099 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:13:34,138 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:13:34,142 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 00:13:34,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:13:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 00:13:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 00:13:34,164 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:34,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:34,165 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:34,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:34,168 INFO L85 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2022-01-10 00:13:34,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:34,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620233283] [2022-01-10 00:13:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:34,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:34,477 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 00:13:34,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:34,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620233283] [2022-01-10 00:13:34,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620233283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:34,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:34,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:13:34,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935785280] [2022-01-10 00:13:34,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:34,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:34,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:34,520 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 00:13:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:35,423 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2022-01-10 00:13:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:35,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 60 [2022-01-10 00:13:35,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:35,433 INFO L225 Difference]: With dead ends: 669 [2022-01-10 00:13:35,433 INFO L226 Difference]: Without dead ends: 360 [2022-01-10 00:13:35,436 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 00:13:35,438 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 146 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:35,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 77 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 00:13:35,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-01-10 00:13:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2022-01-10 00:13:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.6378830083565459) internal successors, (588), 359 states have internal predecessors, (588), 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 00:13:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2022-01-10 00:13:35,489 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 60 [2022-01-10 00:13:35,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:35,489 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2022-01-10 00:13:35,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 00:13:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2022-01-10 00:13:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 00:13:35,492 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:35,493 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:35,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:13:35,493 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:35,493 INFO L85 PathProgramCache]: Analyzing trace with hash -872801096, now seen corresponding path program 1 times [2022-01-10 00:13:35,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:35,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175684138] [2022-01-10 00:13:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:35,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:13:35,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:35,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175684138] [2022-01-10 00:13:35,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175684138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:35,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:35,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:13:35,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224026015] [2022-01-10 00:13:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:35,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:35,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:35,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:35,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:35,613 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 00:13:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:36,154 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2022-01-10 00:13:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2022-01-10 00:13:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:36,160 INFO L225 Difference]: With dead ends: 1076 [2022-01-10 00:13:36,160 INFO L226 Difference]: Without dead ends: 718 [2022-01-10 00:13:36,167 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 00:13:36,168 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 134 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:36,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 88 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:13:36,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-01-10 00:13:36,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2022-01-10 00:13:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.4223776223776223) internal successors, (1017), 715 states have internal predecessors, (1017), 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 00:13:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2022-01-10 00:13:36,203 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 125 [2022-01-10 00:13:36,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:36,203 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2022-01-10 00:13:36,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 00:13:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2022-01-10 00:13:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 00:13:36,206 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:36,207 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:36,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:13:36,207 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:36,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:36,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1726483601, now seen corresponding path program 1 times [2022-01-10 00:13:36,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:36,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024202565] [2022-01-10 00:13:36,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:36,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:13:36,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:36,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024202565] [2022-01-10 00:13:36,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024202565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:36,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:36,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:13:36,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593943872] [2022-01-10 00:13:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:36,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:36,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:36,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:36,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:36,318 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 00:13:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:36,788 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2022-01-10 00:13:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:36,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-10 00:13:36,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:36,809 INFO L225 Difference]: With dead ends: 1608 [2022-01-10 00:13:36,809 INFO L226 Difference]: Without dead ends: 894 [2022-01-10 00:13:36,810 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 00:13:36,815 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 125 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:36,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 57 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2022-01-10 00:13:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2022-01-10 00:13:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 893 states have (on average 1.3314669652855544) internal successors, (1189), 893 states have internal predecessors, (1189), 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 00:13:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2022-01-10 00:13:36,839 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 126 [2022-01-10 00:13:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:36,840 INFO L470 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2022-01-10 00:13:36,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 00:13:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2022-01-10 00:13:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 00:13:36,848 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:36,848 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:36,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 00:13:36,849 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1746065234, now seen corresponding path program 1 times [2022-01-10 00:13:36,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:36,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260118046] [2022-01-10 00:13:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:36,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:13:36,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:36,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260118046] [2022-01-10 00:13:36,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260118046] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:36,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:36,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:36,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379035012] [2022-01-10 00:13:36,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:36,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:13:36,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:36,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:13:36,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:13:36,954 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:13:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:37,576 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2022-01-10 00:13:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:13:37,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-01-10 00:13:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:37,580 INFO L225 Difference]: With dead ends: 2144 [2022-01-10 00:13:37,580 INFO L226 Difference]: Without dead ends: 1252 [2022-01-10 00:13:37,582 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 00:13:37,583 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 440 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:37,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 123 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:13:37,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-01-10 00:13:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2022-01-10 00:13:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.257005604483587) internal successors, (1570), 1249 states have internal predecessors, (1570), 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 00:13:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2022-01-10 00:13:37,617 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 129 [2022-01-10 00:13:37,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:37,618 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2022-01-10 00:13:37,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:13:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2022-01-10 00:13:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-10 00:13:37,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:37,620 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, 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 00:13:37,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 00:13:37,620 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:37,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:37,620 INFO L85 PathProgramCache]: Analyzing trace with hash -929954738, now seen corresponding path program 1 times [2022-01-10 00:13:37,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:37,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860439468] [2022-01-10 00:13:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:37,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:13:37,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:37,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860439468] [2022-01-10 00:13:37,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860439468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:37,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:37,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:37,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475391736] [2022-01-10 00:13:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:37,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:13:37,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:13:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:13:37,704 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:13:38,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:38,317 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2022-01-10 00:13:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:13:38,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2022-01-10 00:13:38,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:38,322 INFO L225 Difference]: With dead ends: 2885 [2022-01-10 00:13:38,322 INFO L226 Difference]: Without dead ends: 1608 [2022-01-10 00:13:38,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:13:38,324 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:38,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 121 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:13:38,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2022-01-10 00:13:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2022-01-10 00:13:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.1314641744548286) internal successors, (1816), 1605 states have internal predecessors, (1816), 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 00:13:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2022-01-10 00:13:38,353 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 140 [2022-01-10 00:13:38,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:38,353 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2022-01-10 00:13:38,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:13:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2022-01-10 00:13:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-01-10 00:13:38,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:38,356 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, 3, 3, 3, 3, 3, 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] [2022-01-10 00:13:38,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 00:13:38,356 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:38,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:38,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1482397916, now seen corresponding path program 1 times [2022-01-10 00:13:38,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:38,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071515322] [2022-01-10 00:13:38,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:38,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:13:38,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:38,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071515322] [2022-01-10 00:13:38,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071515322] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:38,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:38,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:38,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974959674] [2022-01-10 00:13:38,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:38,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:38,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:38,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:38,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:38,441 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 00:13:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:38,944 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2022-01-10 00:13:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:38,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 234 [2022-01-10 00:13:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:38,952 INFO L225 Difference]: With dead ends: 3922 [2022-01-10 00:13:38,952 INFO L226 Difference]: Without dead ends: 2318 [2022-01-10 00:13:38,954 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 00:13:38,954 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 112 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:38,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 76 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:13:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2022-01-10 00:13:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2022-01-10 00:13:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.1130772550712127) internal successors, (2579), 2317 states have internal predecessors, (2579), 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 00:13:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2579 transitions. [2022-01-10 00:13:38,994 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2579 transitions. Word has length 234 [2022-01-10 00:13:38,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:38,994 INFO L470 AbstractCegarLoop]: Abstraction has 2318 states and 2579 transitions. [2022-01-10 00:13:38,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 00:13:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2579 transitions. [2022-01-10 00:13:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-01-10 00:13:38,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:38,999 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-01-10 00:13:38,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 00:13:38,999 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:39,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash -437824427, now seen corresponding path program 1 times [2022-01-10 00:13:39,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:39,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645002029] [2022-01-10 00:13:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:39,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-01-10 00:13:39,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:39,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645002029] [2022-01-10 00:13:39,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645002029] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:39,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:39,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:39,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016142012] [2022-01-10 00:13:39,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:39,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:13:39,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:39,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:13:39,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:13:39,143 INFO L87 Difference]: Start difference. First operand 2318 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 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 00:13:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:39,690 INFO L93 Difference]: Finished difference Result 4692 states and 5238 transitions. [2022-01-10 00:13:39,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:13:39,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 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 351 [2022-01-10 00:13:39,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:39,698 INFO L225 Difference]: With dead ends: 4692 [2022-01-10 00:13:39,699 INFO L226 Difference]: Without dead ends: 2496 [2022-01-10 00:13:39,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:13:39,701 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 125 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:39,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 17 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:13:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2022-01-10 00:13:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2022-01-10 00:13:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.0738023305999136) internal successors, (2488), 2317 states have internal predecessors, (2488), 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 00:13:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2488 transitions. [2022-01-10 00:13:39,741 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2488 transitions. Word has length 351 [2022-01-10 00:13:39,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:39,742 INFO L470 AbstractCegarLoop]: Abstraction has 2318 states and 2488 transitions. [2022-01-10 00:13:39,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 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 00:13:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2488 transitions. [2022-01-10 00:13:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-01-10 00:13:39,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:39,748 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:39,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 00:13:39,748 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:39,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:39,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2137136836, now seen corresponding path program 1 times [2022-01-10 00:13:39,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:39,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119968545] [2022-01-10 00:13:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:39,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-01-10 00:13:40,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:40,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119968545] [2022-01-10 00:13:40,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119968545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:40,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:40,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:40,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833413288] [2022-01-10 00:13:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:40,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:40,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:40,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:40,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:40,007 INFO L87 Difference]: Start difference. First operand 2318 states and 2488 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 00:13:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:40,441 INFO L93 Difference]: Finished difference Result 4812 states and 5232 transitions. [2022-01-10 00:13:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 446 [2022-01-10 00:13:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:40,449 INFO L225 Difference]: With dead ends: 4812 [2022-01-10 00:13:40,450 INFO L226 Difference]: Without dead ends: 2674 [2022-01-10 00:13:40,452 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 00:13:40,453 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 110 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:40,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 245 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-01-10 00:13:40,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2022-01-10 00:13:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.0733987844787283) internal successors, (2296), 2139 states have internal predecessors, (2296), 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 00:13:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2296 transitions. [2022-01-10 00:13:40,488 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2296 transitions. Word has length 446 [2022-01-10 00:13:40,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:40,491 INFO L470 AbstractCegarLoop]: Abstraction has 2140 states and 2296 transitions. [2022-01-10 00:13:40,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 00:13:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2296 transitions. [2022-01-10 00:13:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-01-10 00:13:40,497 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:40,497 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:40,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 00:13:40,497 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:40,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash 775520055, now seen corresponding path program 1 times [2022-01-10 00:13:40,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:40,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940479856] [2022-01-10 00:13:40,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:40,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-01-10 00:13:40,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:40,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940479856] [2022-01-10 00:13:40,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940479856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:40,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:40,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:40,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432106559] [2022-01-10 00:13:40,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:40,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:40,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:40,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:40,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:40,693 INFO L87 Difference]: Start difference. First operand 2140 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:13:41,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:41,137 INFO L93 Difference]: Finished difference Result 4812 states and 5234 transitions. [2022-01-10 00:13:41,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:41,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 453 [2022-01-10 00:13:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:41,146 INFO L225 Difference]: With dead ends: 4812 [2022-01-10 00:13:41,146 INFO L226 Difference]: Without dead ends: 2852 [2022-01-10 00:13:41,148 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 00:13:41,149 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:41,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 203 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-01-10 00:13:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2022-01-10 00:13:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.0841683366733468) internal successors, (2705), 2495 states have internal predecessors, (2705), 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 00:13:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2705 transitions. [2022-01-10 00:13:41,193 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2705 transitions. Word has length 453 [2022-01-10 00:13:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:41,194 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 2705 transitions. [2022-01-10 00:13:41,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:13:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2705 transitions. [2022-01-10 00:13:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-01-10 00:13:41,201 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:41,201 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:41,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 00:13:41,202 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1335449478, now seen corresponding path program 1 times [2022-01-10 00:13:41,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:41,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120724134] [2022-01-10 00:13:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:41,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-01-10 00:13:41,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:41,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120724134] [2022-01-10 00:13:41,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120724134] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:41,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:41,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:41,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755969470] [2022-01-10 00:13:41,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:41,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:41,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:41,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:41,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:41,407 INFO L87 Difference]: Start difference. First operand 2496 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 00:13:41,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:41,870 INFO L93 Difference]: Finished difference Result 5880 states and 6462 transitions. [2022-01-10 00:13:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:41,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 494 [2022-01-10 00:13:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:41,884 INFO L225 Difference]: With dead ends: 5880 [2022-01-10 00:13:41,884 INFO L226 Difference]: Without dead ends: 3564 [2022-01-10 00:13:41,888 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 00:13:41,889 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 74 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:41,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 50 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:41,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2022-01-10 00:13:41,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2022-01-10 00:13:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 3563 states have (on average 1.079988773505473) internal successors, (3848), 3563 states have internal predecessors, (3848), 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 00:13:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3848 transitions. [2022-01-10 00:13:41,974 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3848 transitions. Word has length 494 [2022-01-10 00:13:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:41,974 INFO L470 AbstractCegarLoop]: Abstraction has 3564 states and 3848 transitions. [2022-01-10 00:13:41,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 00:13:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3848 transitions. [2022-01-10 00:13:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-01-10 00:13:41,985 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:41,986 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:41,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 00:13:41,986 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1032417171, now seen corresponding path program 1 times [2022-01-10 00:13:41,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:41,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639778483] [2022-01-10 00:13:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:41,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 725 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-01-10 00:13:42,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:42,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639778483] [2022-01-10 00:13:42,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639778483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:42,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:13:42,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:13:42,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524292171] [2022-01-10 00:13:42,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:42,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:42,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:42,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:42,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:13:42,230 INFO L87 Difference]: Start difference. First operand 3564 states and 3848 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 00:13:42,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:42,669 INFO L93 Difference]: Finished difference Result 7126 states and 7710 transitions. [2022-01-10 00:13:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:42,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 530 [2022-01-10 00:13:42,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:42,681 INFO L225 Difference]: With dead ends: 7126 [2022-01-10 00:13:42,681 INFO L226 Difference]: Without dead ends: 3742 [2022-01-10 00:13:42,685 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 00:13:42,686 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:42,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 243 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-01-10 00:13:42,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3208. [2022-01-10 00:13:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.076083567196757) internal successors, (3451), 3207 states have internal predecessors, (3451), 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 00:13:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3451 transitions. [2022-01-10 00:13:42,735 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3451 transitions. Word has length 530 [2022-01-10 00:13:42,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:42,736 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 3451 transitions. [2022-01-10 00:13:42,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 00:13:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3451 transitions. [2022-01-10 00:13:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-01-10 00:13:42,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:42,742 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2022-01-10 00:13:42,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 00:13:42,743 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:42,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:42,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2110819521, now seen corresponding path program 1 times [2022-01-10 00:13:42,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:42,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962862529] [2022-01-10 00:13:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:42,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 932 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-01-10 00:13:42,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:42,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962862529] [2022-01-10 00:13:42,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962862529] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:13:42,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050213303] [2022-01-10 00:13:42,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:42,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:13:42,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:13:42,979 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 00:13:43,047 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 00:13:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:43,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:13:43,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:13:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2022-01-10 00:13:44,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:13:44,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050213303] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:44,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:13:44,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 00:13:44,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602200965] [2022-01-10 00:13:44,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:44,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:44,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:44,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:44,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:44,334 INFO L87 Difference]: Start difference. First operand 3208 states and 3451 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 00:13:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:44,762 INFO L93 Difference]: Finished difference Result 7126 states and 7713 transitions. [2022-01-10 00:13:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:44,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 649 [2022-01-10 00:13:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:44,770 INFO L225 Difference]: With dead ends: 7126 [2022-01-10 00:13:44,770 INFO L226 Difference]: Without dead ends: 4098 [2022-01-10 00:13:44,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:44,773 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 121 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:44,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 237 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:44,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2022-01-10 00:13:44,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2022-01-10 00:13:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.069319013912619) internal successors, (4381), 4097 states have internal predecessors, (4381), 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 00:13:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4381 transitions. [2022-01-10 00:13:44,823 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4381 transitions. Word has length 649 [2022-01-10 00:13:44,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:44,824 INFO L470 AbstractCegarLoop]: Abstraction has 4098 states and 4381 transitions. [2022-01-10 00:13:44,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 00:13:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4381 transitions. [2022-01-10 00:13:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2022-01-10 00:13:44,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:44,829 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:13:44,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-10 00:13:45,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-10 00:13:45,049 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 544446574, now seen corresponding path program 1 times [2022-01-10 00:13:45,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:45,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555072383] [2022-01-10 00:13:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 1344 proven. 155 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-01-10 00:13:45,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:45,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555072383] [2022-01-10 00:13:45,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555072383] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:13:45,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283559678] [2022-01-10 00:13:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:45,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:13:45,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:13:45,284 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 00:13:45,285 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 00:13:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:45,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:13:45,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:13:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2022-01-10 00:13:46,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:13:46,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283559678] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:46,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:13:46,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 00:13:46,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215174718] [2022-01-10 00:13:46,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:46,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:46,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:46,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:46,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:46,356 INFO L87 Difference]: Start difference. First operand 4098 states and 4381 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 00:13:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:46,705 INFO L93 Difference]: Finished difference Result 4812 states and 5138 transitions. [2022-01-10 00:13:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:46,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 796 [2022-01-10 00:13:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:46,717 INFO L225 Difference]: With dead ends: 4812 [2022-01-10 00:13:46,717 INFO L226 Difference]: Without dead ends: 4810 [2022-01-10 00:13:46,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:46,722 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:46,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 21 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 00:13:46,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2022-01-10 00:13:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4098. [2022-01-10 00:13:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0690749328777154) internal successors, (4380), 4097 states have internal predecessors, (4380), 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 00:13:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4380 transitions. [2022-01-10 00:13:46,778 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4380 transitions. Word has length 796 [2022-01-10 00:13:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:46,779 INFO L470 AbstractCegarLoop]: Abstraction has 4098 states and 4380 transitions. [2022-01-10 00:13:46,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 00:13:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4380 transitions. [2022-01-10 00:13:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2022-01-10 00:13:46,784 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:13:46,784 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:13:46,804 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 00:13:47,001 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,SelfDestructingSolverStorable12 [2022-01-10 00:13:47,001 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:13:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:13:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1124248575, now seen corresponding path program 1 times [2022-01-10 00:13:47,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:13:47,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286016816] [2022-01-10 00:13:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:47,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:13:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 1374 proven. 155 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-01-10 00:13:47,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:13:47,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286016816] [2022-01-10 00:13:47,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286016816] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:13:47,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196587621] [2022-01-10 00:13:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:13:47,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:13:47,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:13:47,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 00:13:47,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 00:13:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:13:47,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:13:47,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:13:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-01-10 00:13:48,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:13:48,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196587621] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:13:48,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:13:48,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 00:13:48,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638690512] [2022-01-10 00:13:48,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:13:48,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:13:48,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:13:48,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:13:48,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:48,593 INFO L87 Difference]: Start difference. First operand 4098 states and 4380 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 00:13:49,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:13:49,027 INFO L93 Difference]: Finished difference Result 8904 states and 9617 transitions. [2022-01-10 00:13:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:13:49,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 802 [2022-01-10 00:13:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:13:49,029 INFO L225 Difference]: With dead ends: 8904 [2022-01-10 00:13:49,029 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 00:13:49,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:13:49,034 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 121 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:13:49,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 239 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:13:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 00:13:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 00:13:49,035 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 00:13:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 00:13:49,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 802 [2022-01-10 00:13:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:13:49,035 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 00:13:49,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 00:13:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 00:13:49,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 00:13:49,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:13:49,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 00:13:49,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:13:49,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-01-10 00:13:49,992 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2022-01-10 00:13:49,993 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2022-01-10 00:13:49,994 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-01-10 00:13:49,995 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,996 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2022-01-10 00:13:49,997 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2022-01-10 00:13:49,998 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,000 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,001 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2022-01-10 00:13:50,002 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2022-01-10 00:13:50,003 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L854 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 6))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 .cse1) (and .cse0 (not (<= (+ ~a12~0 43) 0))) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)))) [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-01-10 00:13:50,004 INFO L858 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L861 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,005 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L854 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 6))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 .cse1) (and .cse0 (not (<= (+ ~a12~0 43) 0))) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)))) [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2022-01-10 00:13:50,006 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-01-10 00:13:50,007 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-01-10 00:13:50,010 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:13:50,011 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:13:50,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:13:50 BoogieIcfgContainer [2022-01-10 00:13:50,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:13:50,038 INFO L158 Benchmark]: Toolchain (without parser) took 17701.25ms. Allocated memory was 239.1MB in the beginning and 568.3MB in the end (delta: 329.3MB). Free memory was 181.8MB in the beginning and 241.3MB in the end (delta: -59.5MB). Peak memory consumption was 271.4MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,038 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 239.1MB. Free memory is still 200.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:13:50,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 239.1MB. Free memory was 181.7MB in the beginning and 193.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.39ms. Allocated memory is still 239.1MB. Free memory was 193.7MB in the beginning and 184.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,038 INFO L158 Benchmark]: Boogie Preprocessor took 77.92ms. Allocated memory is still 239.1MB. Free memory was 184.2MB in the beginning and 177.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,039 INFO L158 Benchmark]: RCFGBuilder took 1034.12ms. Allocated memory is still 239.1MB. Free memory was 177.9MB in the beginning and 102.5MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,039 INFO L158 Benchmark]: TraceAbstraction took 15945.46ms. Allocated memory was 239.1MB in the beginning and 568.3MB in the end (delta: 329.3MB). Free memory was 101.9MB in the beginning and 241.3MB in the end (delta: -139.4MB). Peak memory consumption was 190.9MB. Max. memory is 8.0GB. [2022-01-10 00:13:50,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 239.1MB. Free memory is still 200.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 239.1MB. Free memory was 181.7MB in the beginning and 193.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 97.39ms. Allocated memory is still 239.1MB. Free memory was 193.7MB in the beginning and 184.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.92ms. Allocated memory is still 239.1MB. Free memory was 184.2MB in the beginning and 177.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1034.12ms. Allocated memory is still 239.1MB. Free memory was 177.9MB in the beginning and 102.5MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. * TraceAbstraction took 15945.46ms. Allocated memory was 239.1MB in the beginning and 568.3MB in the end (delta: 329.3MB). Free memory was 101.9MB in the beginning and 241.3MB in the end (delta: -139.4MB). Peak memory consumption was 190.9MB. 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: 194]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1978 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1978 mSDsluCounter, 1797 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 963 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7242 IncrementalHoareTripleChecker+Invalid, 8205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 963 mSolverCounterUnsat, 1720 mSDtfsCounter, 7242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2287 GetRequests, 2263 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=12, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 2320 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 89 HoareAnnotationTreeSize, 3 FomulaSimplifications, 520 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2016 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 7582 NumberOfCodeBlocks, 7582 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7565 ConstructedInterpolants, 0 QuantifiedInterpolants, 17195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2822 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 14158/14578 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: 30]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && a21 <= 6)) || (a24 == 1 && !(a12 + 43 <= 0))) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && a21 <= 6)) || (a24 == 1 && !(a12 + 43 <= 0))) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0) RESULT: Ultimate proved your program to be correct! [2022-01-10 00:13:50,060 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...