/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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 23:29:07,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 23:29:07,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 23:29:07,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-09 23:29:07,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 23:29:07,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 23:29:07,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 23:29:07,568 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 23:29:07,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 23:29:07,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 23:29:07,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 23:29:07,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 23:29:07,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-09 23:29:07,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-09 23:29:07,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 23:29:07,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 23:29:07,600 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 23:29:07,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 23:29:07,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 23:29:07,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:29:07,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 23:29:07,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 23:29:07,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 23:29:07,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 23:29:07,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 23:29:07,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 23:29:07,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 23:29:07,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 23:29:07,815 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 23:29:07,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2022-01-09 23:29:07,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2257d7/d8c1736df2624af2ba6a6a8ebbd0be2e/FLAGea15e2cda [2022-01-09 23:29:08,299 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 23:29:08,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2022-01-09 23:29:08,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2257d7/d8c1736df2624af2ba6a6a8ebbd0be2e/FLAGea15e2cda [2022-01-09 23:29:08,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2257d7/d8c1736df2624af2ba6a6a8ebbd0be2e [2022-01-09 23:29:08,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 23:29:08,851 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-09 23:29:08,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 23:29:08,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 23:29:08,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 23:29:08,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:29:08" (1/1) ... [2022-01-09 23:29:08,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d93d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:08, skipping insertion in model container [2022-01-09 23:29:08,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:29:08" (1/1) ... [2022-01-09 23:29:08,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 23:29:08,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 23:29:09,103 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_label38.c[20309,20322] [2022-01-09 23:29:09,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:29:09,120 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 23:29:09,160 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_label38.c[20309,20322] [2022-01-09 23:29:09,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:29:09,174 INFO L208 MainTranslator]: Completed translation [2022-01-09 23:29:09,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09 WrapperNode [2022-01-09 23:29:09,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 23:29:09,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 23:29:09,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 23:29:09,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 23:29:09,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,247 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-01-09 23:29:09,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 23:29:09,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 23:29:09,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 23:29:09,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 23:29:09,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 23:29:09,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 23:29:09,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 23:29:09,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 23:29:09,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (1/1) ... [2022-01-09 23:29:09,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:29:09,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:29:09,320 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 23:29:09,322 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 23:29:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 23:29:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-09 23:29:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 23:29:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 23:29:09,394 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 23:29:09,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 23:29:09,973 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 23:29:09,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 23:29:09,982 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-09 23:29:09,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:29:09 BoogieIcfgContainer [2022-01-09 23:29:09,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 23:29:09,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 23:29:09,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 23:29:09,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 23:29:09,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 11:29:08" (1/3) ... [2022-01-09 23:29:09,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:29:09, skipping insertion in model container [2022-01-09 23:29:09,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:29:09" (2/3) ... [2022-01-09 23:29:09,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:29:09, skipping insertion in model container [2022-01-09 23:29:09,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:29:09" (3/3) ... [2022-01-09 23:29:09,992 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label38.c [2022-01-09 23:29:09,996 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 23:29:09,996 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 23:29:10,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 23:29:10,039 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 23:29:10,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 23:29:10,057 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 23:29:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-09 23:29:10,069 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:10,069 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, 1] [2022-01-09 23:29:10,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:10,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:10,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1386226739, now seen corresponding path program 1 times [2022-01-09 23:29:10,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:10,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487799097] [2022-01-09 23:29:10,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:10,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:10,413 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 23:29:10,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:10,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487799097] [2022-01-09 23:29:10,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487799097] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:10,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:29:10,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:29:10,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883960877] [2022-01-09 23:29:10,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:10,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:10,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:10,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:10,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:29:10,447 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 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:29:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:11,019 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2022-01-09 23:29:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:11,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-01-09 23:29:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:11,031 INFO L225 Difference]: With dead ends: 596 [2022-01-09 23:29:11,031 INFO L226 Difference]: Without dead ends: 305 [2022-01-09 23:29:11,034 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 23:29:11,036 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 113 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 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, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:29:11,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 89 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:29:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-01-09 23:29:11,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2022-01-09 23:29:11,073 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 23:29:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2022-01-09 23:29:11,075 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 131 [2022-01-09 23:29:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:11,075 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2022-01-09 23:29:11,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:29:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2022-01-09 23:29:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-01-09 23:29:11,077 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:11,078 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, 1] [2022-01-09 23:29:11,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 23:29:11,078 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:11,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:11,079 INFO L85 PathProgramCache]: Analyzing trace with hash 522966903, now seen corresponding path program 1 times [2022-01-09 23:29:11,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:11,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586807534] [2022-01-09 23:29:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:11,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:11,128 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 23:29:11,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:11,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586807534] [2022-01-09 23:29:11,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586807534] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:11,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:29:11,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:29:11,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744315338] [2022-01-09 23:29:11,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:11,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:11,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:11,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:11,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:29:11,132 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 23:29:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:11,452 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2022-01-09 23:29:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:11,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-01-09 23:29:11,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:11,455 INFO L225 Difference]: With dead ends: 902 [2022-01-09 23:29:11,455 INFO L226 Difference]: Without dead ends: 599 [2022-01-09 23:29:11,456 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 23:29:11,457 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 193 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:29:11,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 71 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:29:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-01-09 23:29:11,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2022-01-09 23:29:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 0 states have call successors, (0), 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 23:29:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2022-01-09 23:29:11,491 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 142 [2022-01-09 23:29:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:11,491 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2022-01-09 23:29:11,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 23:29:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2022-01-09 23:29:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-01-09 23:29:11,509 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:11,509 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:29:11,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 23:29:11,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:11,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:11,510 INFO L85 PathProgramCache]: Analyzing trace with hash -2138101854, now seen corresponding path program 1 times [2022-01-09 23:29:11,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:11,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774163596] [2022-01-09 23:29:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:11,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-09 23:29:11,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:11,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774163596] [2022-01-09 23:29:11,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774163596] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:11,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:29:11,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:29:11,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704265553] [2022-01-09 23:29:11,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:11,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:11,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:11,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:11,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:29:11,585 INFO L87 Difference]: Start difference. First operand 596 states and 879 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 23:29:11,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:11,915 INFO L93 Difference]: Finished difference Result 1615 states and 2396 transitions. [2022-01-09 23:29:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:11,916 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 146 [2022-01-09 23:29:11,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:11,918 INFO L225 Difference]: With dead ends: 1615 [2022-01-09 23:29:11,918 INFO L226 Difference]: Without dead ends: 1021 [2022-01-09 23:29:11,919 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 23:29:11,920 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:29:11,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 121 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:29:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2022-01-09 23:29:11,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 879. [2022-01-09 23:29:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 878 states have (on average 1.3519362186788155) internal successors, (1187), 878 states have internal predecessors, (1187), 0 states have call successors, (0), 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 23:29:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1187 transitions. [2022-01-09 23:29:11,936 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1187 transitions. Word has length 146 [2022-01-09 23:29:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:11,936 INFO L470 AbstractCegarLoop]: Abstraction has 879 states and 1187 transitions. [2022-01-09 23:29:11,936 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 23:29:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1187 transitions. [2022-01-09 23:29:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-09 23:29:11,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:11,938 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:29:11,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 23:29:11,939 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:11,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1394670061, now seen corresponding path program 1 times [2022-01-09 23:29:11,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:11,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139714052] [2022-01-09 23:29:11,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:11,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-09 23:29:12,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:12,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139714052] [2022-01-09 23:29:12,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139714052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:12,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:29:12,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:29:12,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599881522] [2022-01-09 23:29:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:12,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:12,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:12,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:29:12,006 INFO L87 Difference]: Start difference. First operand 879 states and 1187 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 23:29:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:12,332 INFO L93 Difference]: Finished difference Result 2180 states and 3009 transitions. [2022-01-09 23:29:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:12,333 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 151 [2022-01-09 23:29:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:12,336 INFO L225 Difference]: With dead ends: 2180 [2022-01-09 23:29:12,336 INFO L226 Difference]: Without dead ends: 1303 [2022-01-09 23:29:12,337 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 23:29:12,338 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 145 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:29:12,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 251 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:29:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2022-01-09 23:29:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1302. [2022-01-09 23:29:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1301 states have (on average 1.2728670253651038) internal successors, (1656), 1301 states have internal predecessors, (1656), 0 states have call successors, (0), 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 23:29:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1656 transitions. [2022-01-09 23:29:12,357 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1656 transitions. Word has length 151 [2022-01-09 23:29:12,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:12,357 INFO L470 AbstractCegarLoop]: Abstraction has 1302 states and 1656 transitions. [2022-01-09 23:29:12,357 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 23:29:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1656 transitions. [2022-01-09 23:29:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-09 23:29:12,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:12,360 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:29:12,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-09 23:29:12,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:12,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:12,360 INFO L85 PathProgramCache]: Analyzing trace with hash 868943859, now seen corresponding path program 1 times [2022-01-09 23:29:12,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:12,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874772584] [2022-01-09 23:29:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:12,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-09 23:29:12,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:12,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874772584] [2022-01-09 23:29:12,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874772584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:12,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:29:12,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:29:12,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084453654] [2022-01-09 23:29:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:12,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:12,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:12,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:29:12,388 INFO L87 Difference]: Start difference. First operand 1302 states and 1656 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 23:29:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:12,687 INFO L93 Difference]: Finished difference Result 3583 states and 4604 transitions. [2022-01-09 23:29:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:12,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 23:29:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:12,692 INFO L225 Difference]: With dead ends: 3583 [2022-01-09 23:29:12,693 INFO L226 Difference]: Without dead ends: 2283 [2022-01-09 23:29:12,694 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 23:29:12,695 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 188 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 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 23:29:12,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 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 23:29:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2022-01-09 23:29:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1863. [2022-01-09 23:29:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1862 states have (on average 1.238453276047261) internal successors, (2306), 1862 states have internal predecessors, (2306), 0 states have call successors, (0), 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 23:29:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2306 transitions. [2022-01-09 23:29:12,720 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2306 transitions. Word has length 152 [2022-01-09 23:29:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:12,720 INFO L470 AbstractCegarLoop]: Abstraction has 1863 states and 2306 transitions. [2022-01-09 23:29:12,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 23:29:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2306 transitions. [2022-01-09 23:29:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-09 23:29:12,723 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:29:12,723 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:29:12,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-09 23:29:12,723 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:29:12,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:29:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash 796598449, now seen corresponding path program 1 times [2022-01-09 23:29:12,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:29:12,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792519475] [2022-01-09 23:29:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:12,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:29:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:29:12,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:29:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792519475] [2022-01-09 23:29:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792519475] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:29:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153894070] [2022-01-09 23:29:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:29:12,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:29:12,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:29:12,808 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 23:29:12,821 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 23:29:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:29:12,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:29:12,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:29:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-09 23:29:13,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:29:13,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153894070] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:29:13,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:29:13,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-01-09 23:29:13,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673158479] [2022-01-09 23:29:13,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:29:13,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:29:13,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:29:13,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:29:13,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-09 23:29:13,217 INFO L87 Difference]: Start difference. First operand 1863 states and 2306 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 23:29:13,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:29:13,528 INFO L93 Difference]: Finished difference Result 4283 states and 5275 transitions. [2022-01-09 23:29:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:29:13,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 158 [2022-01-09 23:29:13,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:29:13,531 INFO L225 Difference]: With dead ends: 4283 [2022-01-09 23:29:13,531 INFO L226 Difference]: Without dead ends: 0 [2022-01-09 23:29:13,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 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 23:29:13,537 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 48 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:29:13,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 65 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:29:13,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-09 23:29:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-09 23:29:13,538 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 23:29:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-09 23:29:13,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2022-01-09 23:29:13,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:29:13,539 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-09 23:29:13,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 23:29:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-09 23:29:13,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-09 23:29:13,549 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 23:29:13,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-09 23:29:13,766 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,SelfDestructingSolverStorable5 [2022-01-09 23:29:13,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-09 23:29:13,796 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-09 23:29:13,797 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-09 23:29:13,798 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-09 23:29:13,799 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-09 23:29:13,800 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-09 23:29:13,801 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-09 23:29:13,802 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 575) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-09 23:29:13,803 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,804 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (or (and (<= 8 ~a17~0) (= ~a11~0 0) (not (= ~a25~0 1))) (<= ~a28~0 10) (= ~a19~0 1)) [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-09 23:29:13,805 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-09 23:29:13,806 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (or (and (<= 8 ~a17~0) (= ~a11~0 0) (not (= ~a25~0 1))) (<= ~a28~0 10) (= ~a19~0 1)) [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-09 23:29:13,807 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,808 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-09 23:29:13,809 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-09 23:29:13,811 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-09 23:29:13,812 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 23:29:13,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 11:29:13 BoogieIcfgContainer [2022-01-09 23:29:13,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 23:29:13,822 INFO L158 Benchmark]: Toolchain (without parser) took 4970.96ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 158.0MB in the beginning and 153.4MB in the end (delta: 4.6MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,822 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 176.3MB in the beginning and 176.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 23:29:13,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.87ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 170.8MB in the end (delta: -13.1MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.89ms. Allocated memory is still 209.7MB. Free memory was 170.8MB in the beginning and 165.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,823 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 209.7MB. Free memory was 165.0MB in the beginning and 160.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,823 INFO L158 Benchmark]: RCFGBuilder took 685.21ms. Allocated memory is still 209.7MB. Free memory was 160.8MB in the beginning and 110.0MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,823 INFO L158 Benchmark]: TraceAbstraction took 3836.08ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 109.4MB in the beginning and 153.4MB in the end (delta: -44.0MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-01-09 23:29:13,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 176.3MB in the beginning and 176.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.87ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 170.8MB in the end (delta: -13.1MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.89ms. Allocated memory is still 209.7MB. Free memory was 170.8MB in the beginning and 165.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 209.7MB. Free memory was 165.0MB in the beginning and 160.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 685.21ms. Allocated memory is still 209.7MB. Free memory was 160.8MB in the beginning and 110.0MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3836.08ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 109.4MB in the beginning and 153.4MB in the end (delta: -44.0MB). Peak memory consumption was 12.7MB. 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: 575]: 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: 3.8s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 830 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 830 mSDsluCounter, 674 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 495 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2284 IncrementalHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 495 mSolverCounterUnsat, 591 mSDtfsCounter, 2284 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1863occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 566 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 502 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1038 NumberOfCodeBlocks, 1038 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1031 ConstructedInterpolants, 0 QuantifiedInterpolants, 3771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 138/154 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: (((8 <= a17 && a11 == 0) && !(a25 == 1)) || a28 <= 10) || a19 == 1 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((8 <= a17 && a11 == 0) && !(a25 == 1)) || a28 <= 10) || a19 == 1 RESULT: Ultimate proved your program to be correct! [2022-01-09 23:29:13,857 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...