/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/Problem11_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:02:32,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:02:32,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:02:32,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:02:32,685 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 00:02:32,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:02:32,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:02:32,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:02:32,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:02:32,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:02:32,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:02:32,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:02:32,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:02:32,713 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:02:32,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:02:32,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:02:32,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:02:32,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:02:32,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:02:32,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:02:32,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:02:32,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:02:32,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:02:32,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:02:32,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:02:32,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:02:32,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:02:32,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:02:32,957 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:02:32,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35.c [2022-01-10 00:02:33,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2a82f6e/56e7a61d28af45b1aa150809a381b966/FLAGb43c7df0a [2022-01-10 00:02:33,495 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:02:33,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35.c [2022-01-10 00:02:33,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2a82f6e/56e7a61d28af45b1aa150809a381b966/FLAGb43c7df0a [2022-01-10 00:02:33,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2a82f6e/56e7a61d28af45b1aa150809a381b966 [2022-01-10 00:02:33,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:02:33,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:02:33,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:02:33,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:02:33,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:02:33,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:02:33" (1/1) ... [2022-01-10 00:02:33,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21569e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:33, skipping insertion in model container [2022-01-10 00:02:33,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:02:33" (1/1) ... [2022-01-10 00:02:33,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:02:33,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:02:33,778 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/Problem11_label35.c[8398,8411] [2022-01-10 00:02:33,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:02:33,980 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:02:33,999 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/Problem11_label35.c[8398,8411] [2022-01-10 00:02:34,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:02:34,102 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:02:34,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34 WrapperNode [2022-01-10 00:02:34,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:02:34,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:02:34,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:02:34,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:02:34,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,220 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-01-10 00:02:34,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:02:34,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:02:34,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:02:34,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:02:34,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:02:34,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:02:34,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:02:34,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:02:34,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (1/1) ... [2022-01-10 00:02:34,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:02:34,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:02:34,318 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 00:02:34,336 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 00:02:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:02:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:02:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:02:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:02:34,400 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:02:34,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:02:35,604 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:02:35,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:02:35,616 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 00:02:35,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:02:35 BoogieIcfgContainer [2022-01-10 00:02:35,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:02:35,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:02:35,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:02:35,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:02:35,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:02:33" (1/3) ... [2022-01-10 00:02:35,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eba50db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:02:35, skipping insertion in model container [2022-01-10 00:02:35,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:02:34" (2/3) ... [2022-01-10 00:02:35,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eba50db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:02:35, skipping insertion in model container [2022-01-10 00:02:35,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:02:35" (3/3) ... [2022-01-10 00:02:35,625 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label35.c [2022-01-10 00:02:35,630 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:02:35,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:02:35,676 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:02:35,680 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 00:02:35,681 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:02:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 00:02:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 00:02:35,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:35,700 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] [2022-01-10 00:02:35,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2022-01-10 00:02:35,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:35,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128407694] [2022-01-10 00:02:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:35,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:35,904 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 00:02:35,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:35,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128407694] [2022-01-10 00:02:35,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128407694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:35,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:35,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:02:35,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710226310] [2022-01-10 00:02:35,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:35,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:35,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:35,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:35,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:35,928 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 00:02:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:36,662 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-01-10 00:02:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:36,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 58 [2022-01-10 00:02:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:36,675 INFO L225 Difference]: With dead ends: 776 [2022-01-10 00:02:36,675 INFO L226 Difference]: Without dead ends: 413 [2022-01-10 00:02:36,679 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 00:02:36,681 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 169 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:36,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:02:36,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-01-10 00:02:36,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-01-10 00:02:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 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 00:02:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-01-10 00:02:36,730 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 58 [2022-01-10 00:02:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:36,730 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-01-10 00:02:36,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 00:02:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-01-10 00:02:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 00:02:36,733 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:36,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:36,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:02:36,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:36,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:36,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1140984306, now seen corresponding path program 1 times [2022-01-10 00:02:36,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:36,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666846680] [2022-01-10 00:02:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:36,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:36,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:36,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666846680] [2022-01-10 00:02:36,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666846680] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:36,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:36,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:02:36,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177944245] [2022-01-10 00:02:36,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:36,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:36,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:36,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:36,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:36,867 INFO L87 Difference]: Start difference. First operand 411 states and 598 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 00:02:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:37,440 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-01-10 00:02:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:37,440 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 00:02:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:37,446 INFO L225 Difference]: With dead ends: 1209 [2022-01-10 00:02:37,446 INFO L226 Difference]: Without dead ends: 800 [2022-01-10 00:02:37,447 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 00:02:37,448 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:37,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:02:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-01-10 00:02:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-01-10 00:02:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 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 00:02:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-01-10 00:02:37,474 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 126 [2022-01-10 00:02:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:37,474 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-01-10 00:02:37,474 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 00:02:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-01-10 00:02:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-01-10 00:02:37,478 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:37,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:37,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:02:37,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:37,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:37,479 INFO L85 PathProgramCache]: Analyzing trace with hash 720217396, now seen corresponding path program 1 times [2022-01-10 00:02:37,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:37,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690649327] [2022-01-10 00:02:37,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:37,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:37,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:37,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690649327] [2022-01-10 00:02:37,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690649327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:37,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:37,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:02:37,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426812530] [2022-01-10 00:02:37,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:37,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:37,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:37,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:37,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:37,608 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:38,169 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-01-10 00:02:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-01-10 00:02:38,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:38,175 INFO L225 Difference]: With dead ends: 1942 [2022-01-10 00:02:38,175 INFO L226 Difference]: Without dead ends: 1157 [2022-01-10 00:02:38,178 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 00:02:38,184 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:38,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:02:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-01-10 00:02:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-01-10 00:02:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 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 00:02:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-01-10 00:02:38,231 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 127 [2022-01-10 00:02:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:38,232 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-01-10 00:02:38,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-01-10 00:02:38,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-01-10 00:02:38,235 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:38,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:38,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 00:02:38,236 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:38,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:38,237 INFO L85 PathProgramCache]: Analyzing trace with hash -965276746, now seen corresponding path program 1 times [2022-01-10 00:02:38,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:38,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851615509] [2022-01-10 00:02:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:38,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-01-10 00:02:38,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:38,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851615509] [2022-01-10 00:02:38,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851615509] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:38,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:38,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:02:38,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872781760] [2022-01-10 00:02:38,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:38,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:38,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:38,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:38,375 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 00:02:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:39,074 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2022-01-10 00:02:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:39,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 170 [2022-01-10 00:02:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:39,079 INFO L225 Difference]: With dead ends: 2502 [2022-01-10 00:02:39,079 INFO L226 Difference]: Without dead ends: 1532 [2022-01-10 00:02:39,080 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 00:02:39,081 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:39,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:02:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-01-10 00:02:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2022-01-10 00:02:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 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 00:02:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2022-01-10 00:02:39,108 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 170 [2022-01-10 00:02:39,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:39,109 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2022-01-10 00:02:39,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 00:02:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2022-01-10 00:02:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-01-10 00:02:39,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:39,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:39,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 00:02:39,113 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:39,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:39,114 INFO L85 PathProgramCache]: Analyzing trace with hash 684290447, now seen corresponding path program 1 times [2022-01-10 00:02:39,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:39,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815076895] [2022-01-10 00:02:39,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:39,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:39,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:39,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815076895] [2022-01-10 00:02:39,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815076895] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:39,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:39,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:39,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124318804] [2022-01-10 00:02:39,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:39,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:39,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:39,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:39,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:39,241 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 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 00:02:40,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:40,205 INFO L93 Difference]: Finished difference Result 4931 states and 6396 transitions. [2022-01-10 00:02:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:40,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 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 185 [2022-01-10 00:02:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:40,215 INFO L225 Difference]: With dead ends: 4931 [2022-01-10 00:02:40,215 INFO L226 Difference]: Without dead ends: 3585 [2022-01-10 00:02:40,217 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 00:02:40,218 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 336 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:40,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 87 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 00:02:40,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2022-01-10 00:02:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3584. [2022-01-10 00:02:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 3583 states have (on average 1.254535305609824) internal successors, (4495), 3583 states have internal predecessors, (4495), 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 00:02:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4495 transitions. [2022-01-10 00:02:40,262 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4495 transitions. Word has length 185 [2022-01-10 00:02:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:40,262 INFO L470 AbstractCegarLoop]: Abstraction has 3584 states and 4495 transitions. [2022-01-10 00:02:40,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 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 00:02:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4495 transitions. [2022-01-10 00:02:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-01-10 00:02:40,265 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:40,265 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:40,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 00:02:40,266 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:40,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1272185010, now seen corresponding path program 1 times [2022-01-10 00:02:40,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:40,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334356877] [2022-01-10 00:02:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:40,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:40,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:40,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334356877] [2022-01-10 00:02:40,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334356877] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:40,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:40,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:40,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765414430] [2022-01-10 00:02:40,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:40,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:40,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:40,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:40,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:40,341 INFO L87 Difference]: Start difference. First operand 3584 states and 4495 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 00:02:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:40,946 INFO L93 Difference]: Finished difference Result 8287 states and 10612 transitions. [2022-01-10 00:02:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:40,947 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 238 [2022-01-10 00:02:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:40,959 INFO L225 Difference]: With dead ends: 8287 [2022-01-10 00:02:40,959 INFO L226 Difference]: Without dead ends: 5073 [2022-01-10 00:02:40,963 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 00:02:40,963 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:40,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 347 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:02:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5073 states. [2022-01-10 00:02:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5073 to 5058. [2022-01-10 00:02:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 5057 states have (on average 1.2278030452837652) internal successors, (6209), 5057 states have internal predecessors, (6209), 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 00:02:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 6209 transitions. [2022-01-10 00:02:41,021 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 6209 transitions. Word has length 238 [2022-01-10 00:02:41,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:41,022 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 6209 transitions. [2022-01-10 00:02:41,022 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 00:02:41,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 6209 transitions. [2022-01-10 00:02:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-01-10 00:02:41,024 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:41,024 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:41,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 00:02:41,025 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1073587368, now seen corresponding path program 1 times [2022-01-10 00:02:41,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:41,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477372258] [2022-01-10 00:02:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:41,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-01-10 00:02:41,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:41,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477372258] [2022-01-10 00:02:41,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477372258] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:41,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:41,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:41,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425486817] [2022-01-10 00:02:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:41,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:41,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:41,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:41,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:41,095 INFO L87 Difference]: Start difference. First operand 5058 states and 6209 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 00:02:41,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:41,604 INFO L93 Difference]: Finished difference Result 11053 states and 13655 transitions. [2022-01-10 00:02:41,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:41,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 239 [2022-01-10 00:02:41,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:41,618 INFO L225 Difference]: With dead ends: 11053 [2022-01-10 00:02:41,618 INFO L226 Difference]: Without dead ends: 6365 [2022-01-10 00:02:41,623 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 00:02:41,624 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 144 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:41,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 346 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:02:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6365 states. [2022-01-10 00:02:41,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6365 to 6346. [2022-01-10 00:02:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 6345 states have (on average 1.21371158392435) internal successors, (7701), 6345 states have internal predecessors, (7701), 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 00:02:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 7701 transitions. [2022-01-10 00:02:41,739 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 7701 transitions. Word has length 239 [2022-01-10 00:02:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:41,740 INFO L470 AbstractCegarLoop]: Abstraction has 6346 states and 7701 transitions. [2022-01-10 00:02:41,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 00:02:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 7701 transitions. [2022-01-10 00:02:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-01-10 00:02:41,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:41,742 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:41,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 00:02:41,743 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash -275188695, now seen corresponding path program 1 times [2022-01-10 00:02:41,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:41,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92953981] [2022-01-10 00:02:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:41,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-01-10 00:02:41,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:41,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92953981] [2022-01-10 00:02:41,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92953981] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:41,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:41,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:41,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291790660] [2022-01-10 00:02:41,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:41,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:41,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:41,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:41,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:41,808 INFO L87 Difference]: Start difference. First operand 6346 states and 7701 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 00:02:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:42,452 INFO L93 Difference]: Finished difference Result 13621 states and 16781 transitions. [2022-01-10 00:02:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:42,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 240 [2022-01-10 00:02:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:42,483 INFO L225 Difference]: With dead ends: 13621 [2022-01-10 00:02:42,484 INFO L226 Difference]: Without dead ends: 7645 [2022-01-10 00:02:42,490 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 00:02:42,490 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:42,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 371 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:02:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-01-10 00:02:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 7450. [2022-01-10 00:02:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7450 states, 7449 states have (on average 1.20700765203383) internal successors, (8991), 7449 states have internal predecessors, (8991), 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 00:02:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 8991 transitions. [2022-01-10 00:02:42,573 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 8991 transitions. Word has length 240 [2022-01-10 00:02:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:42,575 INFO L470 AbstractCegarLoop]: Abstraction has 7450 states and 8991 transitions. [2022-01-10 00:02:42,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 00:02:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 8991 transitions. [2022-01-10 00:02:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-01-10 00:02:42,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:42,578 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:02:42,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 00:02:42,578 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:42,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1602390199, now seen corresponding path program 1 times [2022-01-10 00:02:42,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:42,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609661889] [2022-01-10 00:02:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:42,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:42,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:42,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609661889] [2022-01-10 00:02:42,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609661889] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:42,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:42,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 00:02:42,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109976202] [2022-01-10 00:02:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:42,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:42,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:42,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:42,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:42,699 INFO L87 Difference]: Start difference. First operand 7450 states and 8991 transitions. Second operand has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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 00:02:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:43,759 INFO L93 Difference]: Finished difference Result 21201 states and 26191 transitions. [2022-01-10 00:02:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:43,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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 260 [2022-01-10 00:02:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:43,790 INFO L225 Difference]: With dead ends: 21201 [2022-01-10 00:02:43,790 INFO L226 Difference]: Without dead ends: 14121 [2022-01-10 00:02:43,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:43,800 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 277 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:43,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 194 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 00:02:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14121 states. [2022-01-10 00:02:43,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14121 to 12820. [2022-01-10 00:02:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12820 states, 12819 states have (on average 1.1994695374054138) internal successors, (15376), 12819 states have internal predecessors, (15376), 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 00:02:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12820 states to 12820 states and 15376 transitions. [2022-01-10 00:02:43,996 INFO L78 Accepts]: Start accepts. Automaton has 12820 states and 15376 transitions. Word has length 260 [2022-01-10 00:02:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:43,996 INFO L470 AbstractCegarLoop]: Abstraction has 12820 states and 15376 transitions. [2022-01-10 00:02:43,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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 00:02:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 12820 states and 15376 transitions. [2022-01-10 00:02:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-01-10 00:02:44,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:44,003 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:44,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 00:02:44,004 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash -656312002, now seen corresponding path program 1 times [2022-01-10 00:02:44,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007245595] [2022-01-10 00:02:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:44,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:44,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:44,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007245595] [2022-01-10 00:02:44,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007245595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:44,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:44,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 00:02:44,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761127673] [2022-01-10 00:02:44,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:44,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:44,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:44,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:44,142 INFO L87 Difference]: Start difference. First operand 12820 states and 15376 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 00:02:45,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:45,274 INFO L93 Difference]: Finished difference Result 30437 states and 37141 transitions. [2022-01-10 00:02:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 270 [2022-01-10 00:02:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:45,307 INFO L225 Difference]: With dead ends: 30437 [2022-01-10 00:02:45,307 INFO L226 Difference]: Without dead ends: 17987 [2022-01-10 00:02:45,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:45,320 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 287 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:45,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 120 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 00:02:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17987 states. [2022-01-10 00:02:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17987 to 17973. [2022-01-10 00:02:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17973 states, 17972 states have (on average 1.2047073225016693) internal successors, (21651), 17972 states have internal predecessors, (21651), 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 00:02:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17973 states to 17973 states and 21651 transitions. [2022-01-10 00:02:45,522 INFO L78 Accepts]: Start accepts. Automaton has 17973 states and 21651 transitions. Word has length 270 [2022-01-10 00:02:45,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:45,522 INFO L470 AbstractCegarLoop]: Abstraction has 17973 states and 21651 transitions. [2022-01-10 00:02:45,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 00:02:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 21651 transitions. [2022-01-10 00:02:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-01-10 00:02:45,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:45,528 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:45,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 00:02:45,529 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash -420504501, now seen corresponding path program 1 times [2022-01-10 00:02:45,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:45,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918875167] [2022-01-10 00:02:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:45,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-01-10 00:02:45,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:45,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918875167] [2022-01-10 00:02:45,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918875167] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:45,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:45,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:45,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464589055] [2022-01-10 00:02:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:45,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:45,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:45,617 INFO L87 Difference]: Start difference. First operand 17973 states and 21651 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 00:02:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:46,254 INFO L93 Difference]: Finished difference Result 35770 states and 43131 transitions. [2022-01-10 00:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:46,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 277 [2022-01-10 00:02:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:46,279 INFO L225 Difference]: With dead ends: 35770 [2022-01-10 00:02:46,279 INFO L226 Difference]: Without dead ends: 17983 [2022-01-10 00:02:46,293 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 00:02:46,293 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 143 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:46,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 379 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:02:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17983 states. [2022-01-10 00:02:46,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17983 to 17972. [2022-01-10 00:02:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17972 states, 17971 states have (on average 1.1678259417951145) internal successors, (20987), 17971 states have internal predecessors, (20987), 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 00:02:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17972 states to 17972 states and 20987 transitions. [2022-01-10 00:02:46,480 INFO L78 Accepts]: Start accepts. Automaton has 17972 states and 20987 transitions. Word has length 277 [2022-01-10 00:02:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:46,480 INFO L470 AbstractCegarLoop]: Abstraction has 17972 states and 20987 transitions. [2022-01-10 00:02:46,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 00:02:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17972 states and 20987 transitions. [2022-01-10 00:02:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-01-10 00:02:46,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:46,488 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:46,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 00:02:46,488 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:46,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1481290674, now seen corresponding path program 1 times [2022-01-10 00:02:46,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:46,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954724876] [2022-01-10 00:02:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:46,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 167 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:46,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:46,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954724876] [2022-01-10 00:02:46,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954724876] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:02:46,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179300803] [2022-01-10 00:02:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:46,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:02:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:02:46,695 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 00:02:46,698 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 00:02:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:46,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 00:02:46,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:02:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:47,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:02:47,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179300803] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:47,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:02:47,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-01-10 00:02:47,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710607831] [2022-01-10 00:02:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:47,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:47,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:02:47,458 INFO L87 Difference]: Start difference. First operand 17972 states and 20987 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 00:02:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:48,236 INFO L93 Difference]: Finished difference Result 33180 states and 38911 transitions. [2022-01-10 00:02:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:48,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 291 [2022-01-10 00:02:48,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:48,259 INFO L225 Difference]: With dead ends: 33180 [2022-01-10 00:02:48,259 INFO L226 Difference]: Without dead ends: 17980 [2022-01-10 00:02:48,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:02:48,272 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 182 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:48,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 165 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:02:48,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17980 states. [2022-01-10 00:02:48,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17980 to 17972. [2022-01-10 00:02:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17972 states, 17971 states have (on average 1.1658227143731568) internal successors, (20951), 17971 states have internal predecessors, (20951), 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 00:02:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17972 states to 17972 states and 20951 transitions. [2022-01-10 00:02:48,509 INFO L78 Accepts]: Start accepts. Automaton has 17972 states and 20951 transitions. Word has length 291 [2022-01-10 00:02:48,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:48,510 INFO L470 AbstractCegarLoop]: Abstraction has 17972 states and 20951 transitions. [2022-01-10 00:02:48,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 00:02:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17972 states and 20951 transitions. [2022-01-10 00:02:48,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-01-10 00:02:48,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:48,519 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:48,549 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 00:02:48,750 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 00:02:48,751 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:48,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1567275683, now seen corresponding path program 1 times [2022-01-10 00:02:48,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:48,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810268350] [2022-01-10 00:02:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:48,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-01-10 00:02:48,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:48,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810268350] [2022-01-10 00:02:48,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810268350] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:48,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:48,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:02:48,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549863711] [2022-01-10 00:02:48,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:48,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:48,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:48,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:48,842 INFO L87 Difference]: Start difference. First operand 17972 states and 20951 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:49,622 INFO L93 Difference]: Finished difference Result 37950 states and 44596 transitions. [2022-01-10 00:02:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:49,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2022-01-10 00:02:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:49,645 INFO L225 Difference]: With dead ends: 37950 [2022-01-10 00:02:49,645 INFO L226 Difference]: Without dead ends: 20348 [2022-01-10 00:02:49,658 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 00:02:49,659 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 126 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:49,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 153 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:02:49,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20348 states. [2022-01-10 00:02:49,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20348 to 17029. [2022-01-10 00:02:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17029 states, 17028 states have (on average 1.132957481794691) internal successors, (19292), 17028 states have internal predecessors, (19292), 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 00:02:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17029 states to 17029 states and 19292 transitions. [2022-01-10 00:02:49,829 INFO L78 Accepts]: Start accepts. Automaton has 17029 states and 19292 transitions. Word has length 317 [2022-01-10 00:02:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:49,829 INFO L470 AbstractCegarLoop]: Abstraction has 17029 states and 19292 transitions. [2022-01-10 00:02:49,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17029 states and 19292 transitions. [2022-01-10 00:02:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-01-10 00:02:49,837 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:49,837 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:49,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 00:02:49,837 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1154072221, now seen corresponding path program 1 times [2022-01-10 00:02:49,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:49,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293766579] [2022-01-10 00:02:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:49,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-10 00:02:49,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:49,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293766579] [2022-01-10 00:02:49,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293766579] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:49,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:49,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:49,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495113170] [2022-01-10 00:02:49,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:49,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:02:49,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:02:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:02:49,982 INFO L87 Difference]: Start difference. First operand 17029 states and 19292 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:50,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:50,526 INFO L93 Difference]: Finished difference Result 35707 states and 40462 transitions. [2022-01-10 00:02:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:02:50,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2022-01-10 00:02:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:50,546 INFO L225 Difference]: With dead ends: 35707 [2022-01-10 00:02:50,546 INFO L226 Difference]: Without dead ends: 21076 [2022-01-10 00:02:50,557 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 00:02:50,558 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 164 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:50,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 151 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 00:02:50,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21076 states. [2022-01-10 00:02:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21076 to 17396. [2022-01-10 00:02:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17396 states, 17395 states have (on average 1.133371658522564) internal successors, (19715), 17395 states have internal predecessors, (19715), 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 00:02:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17396 states to 17396 states and 19715 transitions. [2022-01-10 00:02:50,744 INFO L78 Accepts]: Start accepts. Automaton has 17396 states and 19715 transitions. Word has length 325 [2022-01-10 00:02:50,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:50,744 INFO L470 AbstractCegarLoop]: Abstraction has 17396 states and 19715 transitions. [2022-01-10 00:02:50,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:02:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 17396 states and 19715 transitions. [2022-01-10 00:02:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-01-10 00:02:50,752 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:50,752 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:50,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 00:02:50,752 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:50,753 INFO L85 PathProgramCache]: Analyzing trace with hash -529817127, now seen corresponding path program 1 times [2022-01-10 00:02:50,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:50,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608566697] [2022-01-10 00:02:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:50,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-01-10 00:02:50,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:50,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608566697] [2022-01-10 00:02:50,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608566697] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:50,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:50,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 00:02:50,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189258371] [2022-01-10 00:02:50,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:50,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:50,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:50,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:50,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:50,852 INFO L87 Difference]: Start difference. First operand 17396 states and 19715 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 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 00:02:51,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:51,984 INFO L93 Difference]: Finished difference Result 40533 states and 46168 transitions. [2022-01-10 00:02:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:51,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 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 329 [2022-01-10 00:02:51,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:52,012 INFO L225 Difference]: With dead ends: 40533 [2022-01-10 00:02:52,013 INFO L226 Difference]: Without dead ends: 24794 [2022-01-10 00:02:52,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:52,025 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 288 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:52,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 412 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 00:02:52,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24794 states. [2022-01-10 00:02:52,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24794 to 20352. [2022-01-10 00:02:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20352 states, 20351 states have (on average 1.1228932239202005) internal successors, (22852), 20351 states have internal predecessors, (22852), 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 00:02:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20352 states to 20352 states and 22852 transitions. [2022-01-10 00:02:52,234 INFO L78 Accepts]: Start accepts. Automaton has 20352 states and 22852 transitions. Word has length 329 [2022-01-10 00:02:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:52,234 INFO L470 AbstractCegarLoop]: Abstraction has 20352 states and 22852 transitions. [2022-01-10 00:02:52,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 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 00:02:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 20352 states and 22852 transitions. [2022-01-10 00:02:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-10 00:02:52,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:52,242 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:02:52,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 00:02:52,242 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:52,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:52,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1235290608, now seen corresponding path program 1 times [2022-01-10 00:02:52,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:52,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626946818] [2022-01-10 00:02:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:52,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:02:52,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:52,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626946818] [2022-01-10 00:02:52,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626946818] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:52,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:52,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:02:52,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865065006] [2022-01-10 00:02:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:52,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:52,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:52,339 INFO L87 Difference]: Start difference. First operand 20352 states and 22852 transitions. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 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 00:02:53,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:53,338 INFO L93 Difference]: Finished difference Result 46790 states and 52589 transitions. [2022-01-10 00:02:53,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:53,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 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 338 [2022-01-10 00:02:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:53,375 INFO L225 Difference]: With dead ends: 46790 [2022-01-10 00:02:53,375 INFO L226 Difference]: Without dead ends: 26808 [2022-01-10 00:02:53,387 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 00:02:53,388 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 157 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:53,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 116 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 00:02:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26808 states. [2022-01-10 00:02:53,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26808 to 25512. [2022-01-10 00:02:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25512 states, 25511 states have (on average 1.1172043432244914) internal successors, (28501), 25511 states have internal predecessors, (28501), 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 00:02:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25512 states to 25512 states and 28501 transitions. [2022-01-10 00:02:53,618 INFO L78 Accepts]: Start accepts. Automaton has 25512 states and 28501 transitions. Word has length 338 [2022-01-10 00:02:53,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:53,618 INFO L470 AbstractCegarLoop]: Abstraction has 25512 states and 28501 transitions. [2022-01-10 00:02:53,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 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 00:02:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 25512 states and 28501 transitions. [2022-01-10 00:02:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-01-10 00:02:53,625 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:53,625 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, 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, 1, 1, 1, 1, 1, 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 00:02:53,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-10 00:02:53,626 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:53,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1689526705, now seen corresponding path program 1 times [2022-01-10 00:02:53,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:53,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993986021] [2022-01-10 00:02:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:53,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 174 proven. 167 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-01-10 00:02:53,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:53,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993986021] [2022-01-10 00:02:53,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993986021] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:02:53,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343660327] [2022-01-10 00:02:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:53,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:02:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:02:53,800 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 00:02:53,801 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 00:02:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:53,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 00:02:54,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:02:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-01-10 00:02:54,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:02:54,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343660327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:54,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:02:54,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-01-10 00:02:54,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443213972] [2022-01-10 00:02:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:54,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:54,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:02:54,650 INFO L87 Difference]: Start difference. First operand 25512 states and 28501 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 00:02:55,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:55,459 INFO L93 Difference]: Finished difference Result 48630 states and 54360 transitions. [2022-01-10 00:02:55,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:55,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 345 [2022-01-10 00:02:55,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:55,485 INFO L225 Difference]: With dead ends: 48630 [2022-01-10 00:02:55,485 INFO L226 Difference]: Without dead ends: 25884 [2022-01-10 00:02:55,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:02:55,499 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 281 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:55,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 158 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:02:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25884 states. [2022-01-10 00:02:55,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25884 to 25144. [2022-01-10 00:02:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25144 states, 25143 states have (on average 1.116772063795092) internal successors, (28079), 25143 states have internal predecessors, (28079), 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 00:02:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25144 states to 25144 states and 28079 transitions. [2022-01-10 00:02:55,710 INFO L78 Accepts]: Start accepts. Automaton has 25144 states and 28079 transitions. Word has length 345 [2022-01-10 00:02:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:55,710 INFO L470 AbstractCegarLoop]: Abstraction has 25144 states and 28079 transitions. [2022-01-10 00:02:55,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 00:02:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 25144 states and 28079 transitions. [2022-01-10 00:02:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-01-10 00:02:55,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:55,720 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:55,737 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 00:02:55,925 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,SelfDestructingSolverStorable16 [2022-01-10 00:02:55,926 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:55,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:55,926 INFO L85 PathProgramCache]: Analyzing trace with hash -576147188, now seen corresponding path program 1 times [2022-01-10 00:02:55,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:55,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035753672] [2022-01-10 00:02:55,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:55,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-01-10 00:02:56,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:56,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035753672] [2022-01-10 00:02:56,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035753672] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:02:56,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:02:56,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 00:02:56,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157184967] [2022-01-10 00:02:56,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:02:56,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:02:56,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:02:56,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:02:56,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:56,073 INFO L87 Difference]: Start difference. First operand 25144 states and 28079 transitions. Second operand has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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 00:02:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:02:57,162 INFO L93 Difference]: Finished difference Result 53250 states and 59454 transitions. [2022-01-10 00:02:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:02:57,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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 367 [2022-01-10 00:02:57,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:02:57,194 INFO L225 Difference]: With dead ends: 53250 [2022-01-10 00:02:57,194 INFO L226 Difference]: Without dead ends: 30131 [2022-01-10 00:02:57,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:02:57,210 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 287 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 00:02:57,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 359 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 00:02:57,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30131 states. [2022-01-10 00:02:57,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30131 to 22542. [2022-01-10 00:02:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22542 states, 22541 states have (on average 1.108735193647132) internal successors, (24992), 22541 states have internal predecessors, (24992), 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 00:02:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22542 states to 22542 states and 24992 transitions. [2022-01-10 00:02:57,428 INFO L78 Accepts]: Start accepts. Automaton has 22542 states and 24992 transitions. Word has length 367 [2022-01-10 00:02:57,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:02:57,428 INFO L470 AbstractCegarLoop]: Abstraction has 22542 states and 24992 transitions. [2022-01-10 00:02:57,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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 00:02:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22542 states and 24992 transitions. [2022-01-10 00:02:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-01-10 00:02:57,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:02:57,437 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:02:57,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-10 00:02:57,437 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:02:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:02:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1805254862, now seen corresponding path program 1 times [2022-01-10 00:02:57,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:02:57,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50233286] [2022-01-10 00:02:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:57,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:02:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-01-10 00:02:57,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:02:57,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50233286] [2022-01-10 00:02:57,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50233286] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:02:57,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489215245] [2022-01-10 00:02:57,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:02:57,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:02:57,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:02:57,542 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 00:02:57,581 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 00:02:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:02:57,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 00:02:57,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:02:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-01-10 00:02:58,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 00:03:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-01-10 00:03:00,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489215245] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 00:03:00,952 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 00:03:00,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-01-10 00:03:00,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113146588] [2022-01-10 00:03:00,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 00:03:00,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 00:03:00,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:03:00,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 00:03:00,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:03:00,953 INFO L87 Difference]: Start difference. First operand 22542 states and 24992 transitions. Second operand has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 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 00:03:03,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:03:03,074 INFO L93 Difference]: Finished difference Result 50245 states and 55685 transitions. [2022-01-10 00:03:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 00:03:03,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 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 376 [2022-01-10 00:03:03,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:03:03,108 INFO L225 Difference]: With dead ends: 50245 [2022-01-10 00:03:03,108 INFO L226 Difference]: Without dead ends: 30285 [2022-01-10 00:03:03,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 748 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:03:03,124 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 343 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2871 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 3019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-10 00:03:03,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 236 Invalid, 3019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2871 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-10 00:03:03,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30285 states. [2022-01-10 00:03:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30285 to 21057. [2022-01-10 00:03:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21057 states, 21056 states have (on average 1.1078077507598785) internal successors, (23326), 21056 states have internal predecessors, (23326), 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 00:03:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21057 states to 21057 states and 23326 transitions. [2022-01-10 00:03:03,383 INFO L78 Accepts]: Start accepts. Automaton has 21057 states and 23326 transitions. Word has length 376 [2022-01-10 00:03:03,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:03:03,384 INFO L470 AbstractCegarLoop]: Abstraction has 21057 states and 23326 transitions. [2022-01-10 00:03:03,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 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 00:03:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 21057 states and 23326 transitions. [2022-01-10 00:03:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-01-10 00:03:03,393 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:03:03,393 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 00:03:03,413 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 00:03:03,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:03:03,607 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:03:03,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:03:03,608 INFO L85 PathProgramCache]: Analyzing trace with hash 200929446, now seen corresponding path program 1 times [2022-01-10 00:03:03,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:03:03,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501065034] [2022-01-10 00:03:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:03:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:03:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:03:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-01-10 00:03:03,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:03:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501065034] [2022-01-10 00:03:03,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501065034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:03:03,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:03:03,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 00:03:03,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194636408] [2022-01-10 00:03:03,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:03:03,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:03:03,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:03:03,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:03:03,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:03:03,704 INFO L87 Difference]: Start difference. First operand 21057 states and 23326 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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 00:03:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:03:04,568 INFO L93 Difference]: Finished difference Result 41195 states and 45601 transitions. [2022-01-10 00:03:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 00:03:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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 380 [2022-01-10 00:03:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:03:04,592 INFO L225 Difference]: With dead ends: 41195 [2022-01-10 00:03:04,592 INFO L226 Difference]: Without dead ends: 22720 [2022-01-10 00:03:04,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:03:04,605 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 298 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:03:04,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 54 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:03:04,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22720 states. [2022-01-10 00:03:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22720 to 20132. [2022-01-10 00:03:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.104465749341811) internal successors, (22234), 20131 states have internal predecessors, (22234), 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 00:03:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 22234 transitions. [2022-01-10 00:03:04,867 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 22234 transitions. Word has length 380 [2022-01-10 00:03:04,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:03:04,868 INFO L470 AbstractCegarLoop]: Abstraction has 20132 states and 22234 transitions. [2022-01-10 00:03:04,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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 00:03:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 22234 transitions. [2022-01-10 00:03:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-01-10 00:03:04,886 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:03:04,886 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:03:04,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-10 00:03:04,886 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:03:04,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:03:04,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1289156856, now seen corresponding path program 1 times [2022-01-10 00:03:04,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:03:04,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954009636] [2022-01-10 00:03:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:03:04,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:03:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:03:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 773 proven. 288 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-01-10 00:03:05,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:03:05,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954009636] [2022-01-10 00:03:05,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954009636] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:03:05,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642195211] [2022-01-10 00:03:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:03:05,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:03:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:03:05,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 00:03:05,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 00:03:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:03:05,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:03:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:03:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-01-10 00:03:07,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:03:07,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642195211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:03:07,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:03:07,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-01-10 00:03:07,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613545410] [2022-01-10 00:03:07,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:03:07,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:03:07,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:03:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:03:07,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:03:07,549 INFO L87 Difference]: Start difference. First operand 20132 states and 22234 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 00:03:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:03:07,991 INFO L93 Difference]: Finished difference Result 41361 states and 45659 transitions. [2022-01-10 00:03:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:03:07,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 574 [2022-01-10 00:03:07,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:03:07,999 INFO L225 Difference]: With dead ends: 41361 [2022-01-10 00:03:07,999 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 00:03:08,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:03:08,014 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 106 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:03:08,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 132 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 00:03:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 00:03:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 00:03:08,016 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 00:03:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 00:03:08,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 574 [2022-01-10 00:03:08,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:03:08,016 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 00:03:08,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 00:03:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 00:03:08,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 00:03:08,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:03:08,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-10 00:03:08,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:03:08,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 00:03:13,611 WARN L228 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 594 DAG size of output: 565 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-01-10 00:03:18,897 WARN L228 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 594 DAG size of output: 565 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,059 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-01-10 00:03:23,060 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse11 (<= ~a29~0 130)) (.cse14 (= ~a25~0 13)) (.cse4 (<= (+ 35913 ~a29~0) 0)) (.cse12 (<= ~a23~0 137)) (.cse10 (<= ~a29~0 275)) (.cse7 (<= 130 ~a29~0)) (.cse8 (= ~a25~0 11)) (.cse6 (<= ~a23~0 312)) (.cse0 (<= (+ ~a23~0 43) 0)) (.cse13 (<= ~a25~0 10)) (.cse15 (<= ~a23~0 262)) (.cse1 (<= ~a29~0 599999)) (.cse2 (= ~a25~0 9)) (.cse5 (= ~a4~0 1)) (.cse3 (= ~a25~0 12)) (.cse9 (<= (+ ~a29~0 275824) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse1 .cse5 .cse7) (and .cse8 .cse9 .cse5) (and .cse10 .cse3 .cse7) (and .cse0 .cse8 .cse11) (and .cse8 .cse5 .cse6 .cse12) (and .cse13 .cse11) (and .cse14 .cse1 .cse5) (and .cse3 .cse1 .cse12) (and .cse10 .cse13 .cse5) (and .cse14 .cse0 .cse10 .cse7) (and .cse8 .cse1 .cse5 .cse7) (and (<= ~a29~0 140) .cse13 .cse15) (and .cse14 .cse4 .cse12) (and .cse10 .cse8 .cse15 .cse7) (and (<= (+ ~a23~0 127601) 0) .cse8 .cse1) (and .cse8 .cse1 .cse5 .cse6) (and (<= 307 ~a23~0) .cse13 .cse1 .cse5) (and .cse0 .cse13 .cse1 .cse5) (and .cse3 .cse15 .cse1 .cse5) (and .cse1 .cse2 .cse5) (and .cse3 .cse9))) [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,061 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,062 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse11 (<= ~a29~0 130)) (.cse14 (= ~a25~0 13)) (.cse4 (<= (+ 35913 ~a29~0) 0)) (.cse12 (<= ~a23~0 137)) (.cse10 (<= ~a29~0 275)) (.cse7 (<= 130 ~a29~0)) (.cse8 (= ~a25~0 11)) (.cse6 (<= ~a23~0 312)) (.cse0 (<= (+ ~a23~0 43) 0)) (.cse13 (<= ~a25~0 10)) (.cse15 (<= ~a23~0 262)) (.cse1 (<= ~a29~0 599999)) (.cse2 (= ~a25~0 9)) (.cse5 (= ~a4~0 1)) (.cse3 (= ~a25~0 12)) (.cse9 (<= (+ ~a29~0 275824) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse1 .cse5 .cse7) (and .cse8 .cse9 .cse5) (and .cse10 .cse3 .cse7) (and .cse0 .cse8 .cse11) (and .cse8 .cse5 .cse6 .cse12) (and .cse13 .cse11) (and .cse14 .cse1 .cse5) (and .cse3 .cse1 .cse12) (and .cse10 .cse13 .cse5) (and .cse14 .cse0 .cse10 .cse7) (and .cse8 .cse1 .cse5 .cse7) (and (<= ~a29~0 140) .cse13 .cse15) (and .cse14 .cse4 .cse12) (and .cse10 .cse8 .cse15 .cse7) (and (<= (+ ~a23~0 127601) 0) .cse8 .cse1) (and .cse8 .cse1 .cse5 .cse6) (and (<= 307 ~a23~0) .cse13 .cse1 .cse5) (and .cse0 .cse13 .cse1 .cse5) (and .cse3 .cse15 .cse1 .cse5) (and .cse1 .cse2 .cse5) (and .cse3 .cse9))) [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,063 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-01-10 00:03:23,064 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,065 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-01-10 00:03:23,066 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,067 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,068 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,069 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,070 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,071 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,072 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-01-10 00:03:23,073 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-01-10 00:03:23,075 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:03:23,076 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:03:23,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:03:23 BoogieIcfgContainer [2022-01-10 00:03:23,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:03:23,092 INFO L158 Benchmark]: Toolchain (without parser) took 49574.25ms. Allocated memory was 199.2MB in the beginning and 1.2GB in the end (delta: 994.1MB). Free memory was 146.9MB in the beginning and 749.0MB in the end (delta: -602.1MB). Peak memory consumption was 916.6MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,092 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 166.7MB in the beginning and 166.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:03:23,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.04ms. Allocated memory is still 199.2MB. Free memory was 146.8MB in the beginning and 142.9MB in the end (delta: 3.9MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.70ms. Allocated memory is still 199.2MB. Free memory was 142.9MB in the beginning and 126.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,092 INFO L158 Benchmark]: Boogie Preprocessor took 74.38ms. Allocated memory is still 199.2MB. Free memory was 126.1MB in the beginning and 116.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,093 INFO L158 Benchmark]: RCFGBuilder took 1322.38ms. Allocated memory was 199.2MB in the beginning and 257.9MB in the end (delta: 58.7MB). Free memory was 116.7MB in the beginning and 172.9MB in the end (delta: -56.2MB). Peak memory consumption was 82.7MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,093 INFO L158 Benchmark]: TraceAbstraction took 47470.93ms. Allocated memory was 257.9MB in the beginning and 1.2GB in the end (delta: 935.3MB). Free memory was 172.4MB in the beginning and 749.0MB in the end (delta: -576.6MB). Peak memory consumption was 882.5MB. Max. memory is 8.0GB. [2022-01-10 00:03:23,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 166.7MB in the beginning and 166.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 585.04ms. Allocated memory is still 199.2MB. Free memory was 146.8MB in the beginning and 142.9MB in the end (delta: 3.9MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 115.70ms. Allocated memory is still 199.2MB. Free memory was 142.9MB in the beginning and 126.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.38ms. Allocated memory is still 199.2MB. Free memory was 126.1MB in the beginning and 116.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1322.38ms. Allocated memory was 199.2MB in the beginning and 257.9MB in the end (delta: 58.7MB). Free memory was 116.7MB in the beginning and 172.9MB in the end (delta: -56.2MB). Peak memory consumption was 82.7MB. Max. memory is 8.0GB. * TraceAbstraction took 47470.93ms. Allocated memory was 257.9MB in the beginning and 1.2GB in the end (delta: 935.3MB). Free memory was 172.4MB in the beginning and 749.0MB in the end (delta: -576.6MB). Peak memory consumption was 882.5MB. 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: 190]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.4s, OverallIterations: 21, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4235 SdHoareTripleChecker+Valid, 15.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4235 mSDsluCounter, 4442 SdHoareTripleChecker+Invalid, 12.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 744 mSDsCounter, 2443 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18535 IncrementalHoareTripleChecker+Invalid, 20978 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2443 mSolverCounterUnsat, 3698 mSDtfsCounter, 18535 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2027 GetRequests, 1981 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25512occurred in iteration=16, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 34462 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 253 NumberOfFragments, 547 HoareAnnotationTreeSize, 3 FomulaSimplifications, 37352 FormulaSimplificationTreeSizeReduction, 10.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 82014 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 7418 NumberOfCodeBlocks, 7418 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 7768 ConstructedInterpolants, 0 QuantifiedInterpolants, 38751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2181 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 7123/7944 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a23 + 43 <= 0 && a29 <= 599999) && a25 == 9) || (((a25 == 12 && 35913 + a29 <= 0) && a4 == 1) && a23 <= 312)) || (((a25 == 12 && a29 <= 599999) && a4 == 1) && 130 <= a29)) || ((a25 == 11 && a29 + 275824 <= 0) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || (((a25 == 11 && a4 == 1) && a23 <= 312) && a23 <= 137)) || (a25 <= 10 && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || ((a25 == 12 && a29 <= 599999) && a23 <= 137)) || ((a29 <= 275 && a25 <= 10) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && 130 <= a29)) || (((a25 == 11 && a29 <= 599999) && a4 == 1) && 130 <= a29)) || ((a29 <= 140 && a25 <= 10) && a23 <= 262)) || ((a25 == 13 && 35913 + a29 <= 0) && a23 <= 137)) || (((a29 <= 275 && a25 == 11) && a23 <= 262) && 130 <= a29)) || ((a23 + 127601 <= 0 && a25 == 11) && a29 <= 599999)) || (((a25 == 11 && a29 <= 599999) && a4 == 1) && a23 <= 312)) || (((307 <= a23 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && a23 <= 262) && a29 <= 599999) && a4 == 1)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (a25 == 12 && a29 + 275824 <= 0) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a23 + 43 <= 0 && a29 <= 599999) && a25 == 9) || (((a25 == 12 && 35913 + a29 <= 0) && a4 == 1) && a23 <= 312)) || (((a25 == 12 && a29 <= 599999) && a4 == 1) && 130 <= a29)) || ((a25 == 11 && a29 + 275824 <= 0) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || (((a25 == 11 && a4 == 1) && a23 <= 312) && a23 <= 137)) || (a25 <= 10 && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || ((a25 == 12 && a29 <= 599999) && a23 <= 137)) || ((a29 <= 275 && a25 <= 10) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && 130 <= a29)) || (((a25 == 11 && a29 <= 599999) && a4 == 1) && 130 <= a29)) || ((a29 <= 140 && a25 <= 10) && a23 <= 262)) || ((a25 == 13 && 35913 + a29 <= 0) && a23 <= 137)) || (((a29 <= 275 && a25 == 11) && a23 <= 262) && 130 <= a29)) || ((a23 + 127601 <= 0 && a25 == 11) && a29 <= 599999)) || (((a25 == 11 && a29 <= 599999) && a4 == 1) && a23 <= 312)) || (((307 <= a23 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && a23 <= 262) && a29 <= 599999) && a4 == 1)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (a25 == 12 && a29 + 275824 <= 0) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 00:03:23,110 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...