/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/Problem02_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 23:28:50,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 23:28:50,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 23:28:50,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-09 23:28:50,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 23:28:50,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 23:28:50,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 23:28:50,548 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 [2022-01-09 23:28:50,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 23:28:50,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 23:28:50,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 23:28:50,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 23:28:50,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-09 23:28:50,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-09 23:28:50,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 23:28:50,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 23:28:50,573 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 23:28:50,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 23:28:50,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 23:28:50,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 23:28:50,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:28:50,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 23:28:50,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 23:28:50,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 23:28:50,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 23:28:50,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 23:28:50,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 23:28:50,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 23:28:50,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 23:28:50,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 23:28:50,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 23:28:50,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 23:28:50,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 23:28:50,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 23:28:50,785 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 23:28:50,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2022-01-09 23:28:50,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d888eec/be531dc2d6164e4aa3728c9dbaedc10b/FLAG446c84d16 [2022-01-09 23:28:51,241 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 23:28:51,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2022-01-09 23:28:51,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d888eec/be531dc2d6164e4aa3728c9dbaedc10b/FLAG446c84d16 [2022-01-09 23:28:51,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d888eec/be531dc2d6164e4aa3728c9dbaedc10b [2022-01-09 23:28:51,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 23:28:51,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-09 23:28:51,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 23:28:51,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 23:28:51,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 23:28:51,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f099a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51, skipping insertion in model container [2022-01-09 23:28:51,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 23:28:51,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 23:28:51,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c[20193,20206] [2022-01-09 23:28:51,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:28:51,548 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 23:28:51,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c[20193,20206] [2022-01-09 23:28:51,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:28:51,628 INFO L208 MainTranslator]: Completed translation [2022-01-09 23:28:51,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51 WrapperNode [2022-01-09 23:28:51,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 23:28:51,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 23:28:51,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 23:28:51,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 23:28:51,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,689 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-01-09 23:28:51,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 23:28:51,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 23:28:51,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 23:28:51,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 23:28:51,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 23:28:51,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 23:28:51,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 23:28:51,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 23:28:51,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (1/1) ... [2022-01-09 23:28:51,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:28:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:28:51,772 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) [2022-01-09 23:28:51,780 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 [2022-01-09 23:28:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 23:28:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-09 23:28:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 23:28:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 23:28:51,874 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 23:28:51,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 23:28:52,539 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 23:28:52,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 23:28:52,545 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-09 23:28:52,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:28:52 BoogieIcfgContainer [2022-01-09 23:28:52,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 23:28:52,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 23:28:52,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 23:28:52,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 23:28:52,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 11:28:51" (1/3) ... [2022-01-09 23:28:52,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd2a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:28:52, skipping insertion in model container [2022-01-09 23:28:52,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:28:51" (2/3) ... [2022-01-09 23:28:52,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd2a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:28:52, skipping insertion in model container [2022-01-09 23:28:52,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:28:52" (3/3) ... [2022-01-09 23:28:52,554 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2022-01-09 23:28:52,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 23:28:52,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 23:28:52,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 23:28:52,593 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 [2022-01-09 23:28:52,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 23:28:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:52,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-01-09 23:28:52,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:52,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:52,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:52,619 INFO L85 PathProgramCache]: Analyzing trace with hash -648019827, now seen corresponding path program 1 times [2022-01-09 23:28:52,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:52,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856149853] [2022-01-09 23:28:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:52,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:28:52,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:52,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856149853] [2022-01-09 23:28:52,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856149853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:52,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:52,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:28:52,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105886439] [2022-01-09 23:28:52,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:52,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:52,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:52,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:52,998 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:53,483 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2022-01-09 23:28:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:53,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-01-09 23:28:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:53,494 INFO L225 Difference]: With dead ends: 596 [2022-01-09 23:28:53,494 INFO L226 Difference]: Without dead ends: 305 [2022-01-09 23:28:53,497 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 [2022-01-09 23:28:53,499 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 114 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:53,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 89 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-09 23:28:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-01-09 23:28:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2022-01-09 23:28:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2022-01-09 23:28:53,534 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 130 [2022-01-09 23:28:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:53,534 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2022-01-09 23:28:53,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2022-01-09 23:28:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-01-09 23:28:53,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:53,537 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:53,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 23:28:53,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:53,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1230056247, now seen corresponding path program 1 times [2022-01-09 23:28:53,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:53,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650570996] [2022-01-09 23:28:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:53,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:28:53,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:53,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650570996] [2022-01-09 23:28:53,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650570996] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:53,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:53,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:28:53,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454805783] [2022-01-09 23:28:53,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:53,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:53,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:53,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:53,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:53,596 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:53,947 INFO L93 Difference]: Finished difference Result 900 states and 1374 transitions. [2022-01-09 23:28:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-01-09 23:28:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:53,952 INFO L225 Difference]: With dead ends: 900 [2022-01-09 23:28:53,952 INFO L226 Difference]: Without dead ends: 597 [2022-01-09 23:28:53,956 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 [2022-01-09 23:28:53,958 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 191 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:53,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 72 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:53,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-01-09 23:28:53,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 456. [2022-01-09 23:28:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 455 states have (on average 1.4901098901098901) internal successors, (678), 455 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 678 transitions. [2022-01-09 23:28:53,979 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 678 transitions. Word has length 141 [2022-01-09 23:28:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:53,980 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 678 transitions. [2022-01-09 23:28:53,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 678 transitions. [2022-01-09 23:28:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-09 23:28:53,982 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:53,982 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:53,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 23:28:53,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1044311630, now seen corresponding path program 1 times [2022-01-09 23:28:53,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:53,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472935562] [2022-01-09 23:28:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:53,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:28:54,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:54,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472935562] [2022-01-09 23:28:54,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472935562] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:54,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:54,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:28:54,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425955468] [2022-01-09 23:28:54,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:54,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:54,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:54,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:54,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:54,060 INFO L87 Difference]: Start difference. First operand 456 states and 678 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:54,364 INFO L93 Difference]: Finished difference Result 1350 states and 2015 transitions. [2022-01-09 23:28:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:54,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-01-09 23:28:54,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:54,367 INFO L225 Difference]: With dead ends: 1350 [2022-01-09 23:28:54,367 INFO L226 Difference]: Without dead ends: 896 [2022-01-09 23:28:54,367 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 [2022-01-09 23:28:54,368 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 156 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:54,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 124 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2022-01-09 23:28:54,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 749. [2022-01-09 23:28:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 748 states have (on average 1.4398395721925135) internal successors, (1077), 748 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1077 transitions. [2022-01-09 23:28:54,381 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1077 transitions. Word has length 148 [2022-01-09 23:28:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:54,382 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1077 transitions. [2022-01-09 23:28:54,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1077 transitions. [2022-01-09 23:28:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-09 23:28:54,385 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:54,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:54,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 23:28:54,385 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:54,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash -272002172, now seen corresponding path program 1 times [2022-01-09 23:28:54,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:54,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784651640] [2022-01-09 23:28:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:28:54,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:54,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784651640] [2022-01-09 23:28:54,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784651640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:54,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:54,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:28:54,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406475581] [2022-01-09 23:28:54,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:54,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:54,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:54,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:54,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:54,419 INFO L87 Difference]: Start difference. First operand 749 states and 1077 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:54,763 INFO L93 Difference]: Finished difference Result 2199 states and 3171 transitions. [2022-01-09 23:28:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:54,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-01-09 23:28:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:54,767 INFO L225 Difference]: With dead ends: 2199 [2022-01-09 23:28:54,767 INFO L226 Difference]: Without dead ends: 1452 [2022-01-09 23:28:54,768 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 [2022-01-09 23:28:54,769 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 176 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:54,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 77 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2022-01-09 23:28:54,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1312. [2022-01-09 23:28:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1311 states have (on average 1.3646071700991609) internal successors, (1789), 1311 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1789 transitions. [2022-01-09 23:28:54,786 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1789 transitions. Word has length 152 [2022-01-09 23:28:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:54,786 INFO L470 AbstractCegarLoop]: Abstraction has 1312 states and 1789 transitions. [2022-01-09 23:28:54,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1789 transitions. [2022-01-09 23:28:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-01-09 23:28:54,789 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:54,789 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:54,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-09 23:28:54,789 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:54,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:54,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2008802458, now seen corresponding path program 1 times [2022-01-09 23:28:54,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:54,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113566953] [2022-01-09 23:28:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:54,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-01-09 23:28:54,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:54,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113566953] [2022-01-09 23:28:54,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113566953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:54,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:54,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:28:54,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032448530] [2022-01-09 23:28:54,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:54,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:54,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:54,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:54,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:54,844 INFO L87 Difference]: Start difference. First operand 1312 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:55,223 INFO L93 Difference]: Finished difference Result 3045 states and 4121 transitions. [2022-01-09 23:28:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:55,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 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 178 [2022-01-09 23:28:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:55,228 INFO L225 Difference]: With dead ends: 3045 [2022-01-09 23:28:55,228 INFO L226 Difference]: Without dead ends: 1735 [2022-01-09 23:28:55,229 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 [2022-01-09 23:28:55,229 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:55,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 126 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-01-09 23:28:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2022-01-09 23:28:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1732 states have (on average 1.2904157043879907) internal successors, (2235), 1732 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2235 transitions. [2022-01-09 23:28:55,249 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2235 transitions. Word has length 178 [2022-01-09 23:28:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:55,249 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 2235 transitions. [2022-01-09 23:28:55,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2235 transitions. [2022-01-09 23:28:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-09 23:28:55,252 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:55,252 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:55,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-09 23:28:55,252 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:55,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1388183119, now seen corresponding path program 1 times [2022-01-09 23:28:55,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:55,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453482625] [2022-01-09 23:28:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:55,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-01-09 23:28:55,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:55,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453482625] [2022-01-09 23:28:55,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453482625] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:55,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:55,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:28:55,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016354257] [2022-01-09 23:28:55,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:55,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:55,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:55,301 INFO L87 Difference]: Start difference. First operand 1733 states and 2235 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:55,640 INFO L93 Difference]: Finished difference Result 4307 states and 5566 transitions. [2022-01-09 23:28:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-01-09 23:28:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:55,647 INFO L225 Difference]: With dead ends: 4307 [2022-01-09 23:28:55,647 INFO L226 Difference]: Without dead ends: 2576 [2022-01-09 23:28:55,649 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 [2022-01-09 23:28:55,650 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 144 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:55,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 251 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2022-01-09 23:28:55,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2573. [2022-01-09 23:28:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2572 states have (on average 1.2227838258164851) internal successors, (3145), 2572 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3145 transitions. [2022-01-09 23:28:55,679 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3145 transitions. Word has length 183 [2022-01-09 23:28:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:55,679 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 3145 transitions. [2022-01-09 23:28:55,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3145 transitions. [2022-01-09 23:28:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-01-09 23:28:55,683 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:55,683 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:55,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-09 23:28:55,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1429783209, now seen corresponding path program 1 times [2022-01-09 23:28:55,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:55,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835358230] [2022-01-09 23:28:55,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:55,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-09 23:28:55,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:55,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835358230] [2022-01-09 23:28:55,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835358230] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:55,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:55,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:28:55,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303859660] [2022-01-09 23:28:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:55,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:55,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:55,719 INFO L87 Difference]: Start difference. First operand 2573 states and 3145 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:56,034 INFO L93 Difference]: Finished difference Result 5986 states and 7255 transitions. [2022-01-09 23:28:56,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:56,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 [2022-01-09 23:28:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:56,042 INFO L225 Difference]: With dead ends: 5986 [2022-01-09 23:28:56,043 INFO L226 Difference]: Without dead ends: 3415 [2022-01-09 23:28:56,044 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 [2022-01-09 23:28:56,045 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 155 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:56,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 66 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-01-09 23:28:56,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3133. [2022-01-09 23:28:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 3132 states have (on average 1.1893358876117497) internal successors, (3725), 3132 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 3725 transitions. [2022-01-09 23:28:56,078 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 3725 transitions. Word has length 185 [2022-01-09 23:28:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:56,079 INFO L470 AbstractCegarLoop]: Abstraction has 3133 states and 3725 transitions. [2022-01-09 23:28:56,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 3725 transitions. [2022-01-09 23:28:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-09 23:28:56,082 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:56,083 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:56,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-09 23:28:56,083 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1453262797, now seen corresponding path program 1 times [2022-01-09 23:28:56,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:56,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948468897] [2022-01-09 23:28:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:56,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-09 23:28:56,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:56,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948468897] [2022-01-09 23:28:56,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948468897] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:56,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:56,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:28:56,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024589368] [2022-01-09 23:28:56,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:56,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:56,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:56,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:56,119 INFO L87 Difference]: Start difference. First operand 3133 states and 3725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:56,422 INFO L93 Difference]: Finished difference Result 5983 states and 7149 transitions. [2022-01-09 23:28:56,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:56,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 189 [2022-01-09 23:28:56,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:56,430 INFO L225 Difference]: With dead ends: 5983 [2022-01-09 23:28:56,431 INFO L226 Difference]: Without dead ends: 2852 [2022-01-09 23:28:56,434 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 [2022-01-09 23:28:56,434 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:56,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 253 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-01-09 23:28:56,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2844. [2022-01-09 23:28:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2844 states, 2843 states have (on average 1.1575800211044671) internal successors, (3291), 2843 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3291 transitions. [2022-01-09 23:28:56,468 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3291 transitions. Word has length 189 [2022-01-09 23:28:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:56,469 INFO L470 AbstractCegarLoop]: Abstraction has 2844 states and 3291 transitions. [2022-01-09 23:28:56,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3291 transitions. [2022-01-09 23:28:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-01-09 23:28:56,473 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:56,473 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:56,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-09 23:28:56,473 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash 143795957, now seen corresponding path program 1 times [2022-01-09 23:28:56,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:56,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716069636] [2022-01-09 23:28:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:56,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-09 23:28:56,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:56,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716069636] [2022-01-09 23:28:56,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716069636] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:56,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:56,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:28:56,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475035824] [2022-01-09 23:28:56,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:56,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:56,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:56,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:56,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:56,512 INFO L87 Difference]: Start difference. First operand 2844 states and 3291 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) [2022-01-09 23:28:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:56,815 INFO L93 Difference]: Finished difference Result 5688 states and 6582 transitions. [2022-01-09 23:28:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:56,815 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 207 [2022-01-09 23:28:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:56,822 INFO L225 Difference]: With dead ends: 5688 [2022-01-09 23:28:56,822 INFO L226 Difference]: Without dead ends: 2846 [2022-01-09 23:28:56,824 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 [2022-01-09 23:28:56,825 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 116 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:56,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 259 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-01-09 23:28:56,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2844. [2022-01-09 23:28:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2844 states, 2843 states have (on average 1.1382342595849455) internal successors, (3236), 2843 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:56,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3236 transitions. [2022-01-09 23:28:56,863 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3236 transitions. Word has length 207 [2022-01-09 23:28:56,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:56,863 INFO L470 AbstractCegarLoop]: Abstraction has 2844 states and 3236 transitions. [2022-01-09 23:28:56,863 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) [2022-01-09 23:28:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3236 transitions. [2022-01-09 23:28:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-09 23:28:56,868 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:56,868 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:56,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-09 23:28:56,868 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:56,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash 900785943, now seen corresponding path program 1 times [2022-01-09 23:28:56,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:56,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464016356] [2022-01-09 23:28:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:56,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-09 23:28:56,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:56,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464016356] [2022-01-09 23:28:56,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464016356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:56,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:28:56,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:28:56,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308586074] [2022-01-09 23:28:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:56,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:56,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:28:56,916 INFO L87 Difference]: Start difference. First operand 2844 states and 3236 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:57,223 INFO L93 Difference]: Finished difference Result 6810 states and 7865 transitions. [2022-01-09 23:28:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:57,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 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 228 [2022-01-09 23:28:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:57,231 INFO L225 Difference]: With dead ends: 6810 [2022-01-09 23:28:57,231 INFO L226 Difference]: Without dead ends: 3968 [2022-01-09 23:28:57,234 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 [2022-01-09 23:28:57,234 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 141 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:57,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 214 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:57,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2022-01-09 23:28:57,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3966. [2022-01-09 23:28:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3966 states, 3965 states have (on average 1.1407313997477933) internal successors, (4523), 3965 states have internal predecessors, (4523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 4523 transitions. [2022-01-09 23:28:57,274 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 4523 transitions. Word has length 228 [2022-01-09 23:28:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:57,274 INFO L470 AbstractCegarLoop]: Abstraction has 3966 states and 4523 transitions. [2022-01-09 23:28:57,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 4523 transitions. [2022-01-09 23:28:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-09 23:28:57,279 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:28:57,280 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:57,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-09 23:28:57,280 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:28:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:28:57,280 INFO L85 PathProgramCache]: Analyzing trace with hash 283278328, now seen corresponding path program 1 times [2022-01-09 23:28:57,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:28:57,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317589907] [2022-01-09 23:28:57,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:57,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:28:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:28:57,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:28:57,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317589907] [2022-01-09 23:28:57,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317589907] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:28:57,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796787682] [2022-01-09 23:28:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:28:57,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:28:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:28:57,367 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) [2022-01-09 23:28:57,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-09 23:28:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:28:57,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:28:57,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:28:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-09 23:28:57,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:28:57,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796787682] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:28:57,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:28:57,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-01-09 23:28:57,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977681978] [2022-01-09 23:28:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:28:57,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:28:57,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:28:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:28:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-09 23:28:57,819 INFO L87 Difference]: Start difference. First operand 3966 states and 4523 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:58,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:28:58,146 INFO L93 Difference]: Finished difference Result 8346 states and 9516 transitions. [2022-01-09 23:28:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:28:58,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 228 [2022-01-09 23:28:58,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:28:58,148 INFO L225 Difference]: With dead ends: 8346 [2022-01-09 23:28:58,148 INFO L226 Difference]: Without dead ends: 0 [2022-01-09 23:28:58,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-09 23:28:58,153 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 41 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:28:58,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 71 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:28:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-09 23:28:58,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-09 23:28:58,156 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) [2022-01-09 23:28:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-09 23:28:58,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2022-01-09 23:28:58,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:28:58,156 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-09 23:28:58,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:28:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-09 23:28:58,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-09 23:28:58,160 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 23:28:58,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-09 23:28:58,375 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,SelfDestructingSolverStorable10 [2022-01-09 23:28:58,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-09 23:28:58,756 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,757 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-09 23:28:58,758 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-09 23:28:58,759 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-09 23:28:58,760 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,761 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-09 23:28:58,762 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,763 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-09 23:28:58,764 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-09 23:28:58,765 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a11~0 0)) (.cse2 (= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (<= ~a28~0 10)) (.cse1 (= ~a25~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (<= 10 ~a28~0) .cse4 .cse0) (and (<= 9 ~a28~0) .cse2 (<= ~a28~0 9)) (and .cse3 .cse1) (and .cse2 (<= 8 ~a17~0) .cse4) (and .cse2 .cse0) (and .cse4 .cse1))) [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,766 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,767 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a11~0 0)) (.cse2 (= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (<= ~a28~0 10)) (.cse1 (= ~a25~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (<= 10 ~a28~0) .cse4 .cse0) (and (<= 9 ~a28~0) .cse2 (<= ~a28~0 9)) (and .cse3 .cse1) (and .cse2 (<= 8 ~a17~0) .cse4) (and .cse2 .cse0) (and .cse4 .cse1))) [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-09 23:28:58,768 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,769 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-09 23:28:58,770 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-09 23:28:58,772 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:28:58,773 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 23:28:58,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 11:28:58 BoogieIcfgContainer [2022-01-09 23:28:58,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 23:28:58,786 INFO L158 Benchmark]: Toolchain (without parser) took 7520.94ms. Allocated memory was 188.7MB in the beginning and 306.2MB in the end (delta: 117.4MB). Free memory was 143.4MB in the beginning and 109.4MB in the end (delta: 34.0MB). Peak memory consumption was 152.6MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,786 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 23:28:58,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.03ms. Allocated memory is still 188.7MB. Free memory was 143.3MB in the beginning and 150.4MB in the end (delta: -7.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.95ms. Allocated memory is still 188.7MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,786 INFO L158 Benchmark]: Boogie Preprocessor took 34.55ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 140.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,787 INFO L158 Benchmark]: RCFGBuilder took 824.47ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 88.5MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,787 INFO L158 Benchmark]: TraceAbstraction took 6235.24ms. Allocated memory was 188.7MB in the beginning and 306.2MB in the end (delta: 117.4MB). Free memory was 88.0MB in the beginning and 109.4MB in the end (delta: -21.5MB). Peak memory consumption was 97.0MB. Max. memory is 8.0GB. [2022-01-09 23:28:58,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.03ms. Allocated memory is still 188.7MB. Free memory was 143.3MB in the beginning and 150.4MB in the end (delta: -7.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.95ms. Allocated memory is still 188.7MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.55ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 140.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 824.47ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 88.5MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 6235.24ms. Allocated memory was 188.7MB in the beginning and 306.2MB in the end (delta: 117.4MB). Free memory was 88.0MB in the beginning and 109.4MB in the end (delta: -21.5MB). Peak memory consumption was 97.0MB. 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: 572]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1521 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1521 mSDsluCounter, 1602 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 780 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4101 IncrementalHoareTripleChecker+Invalid, 4881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 780 mSolverCounterUnsat, 1426 mSDtfsCounter, 4101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3966occurred in iteration=10, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 727 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 139 HoareAnnotationTreeSize, 3 FomulaSimplifications, 698 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2197 NumberOfCodeBlocks, 2197 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2185 ConstructedInterpolants, 0 QuantifiedInterpolants, 5323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 362 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 938/996 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && a25 == 0) || ((a25 == 1 && a11 == 0) && a28 <= 10)) || ((10 <= a28 && a28 <= 10) && a19 == 1)) || ((9 <= a28 && a25 == 1) && a28 <= 9)) || (a11 == 0 && a25 == 0)) || ((a25 == 1 && 8 <= a17) && a28 <= 10)) || (a25 == 1 && a19 == 1)) || (a28 <= 10 && a25 == 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && a25 == 0) || ((a25 == 1 && a11 == 0) && a28 <= 10)) || ((10 <= a28 && a28 <= 10) && a19 == 1)) || ((9 <= a28 && a25 == 1) && a28 <= 9)) || (a11 == 0 && a25 == 0)) || ((a25 == 1 && 8 <= a17) && a28 <= 10)) || (a25 == 1 && a19 == 1)) || (a28 <= 10 && a25 == 0) RESULT: Ultimate proved your program to be correct! [2022-01-09 23:28:58,835 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...