/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_Bitvector.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:18:03,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:18:03,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:18:03,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:18:03,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:18:03,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:18:03,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:18:03,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 04:18:03,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:18:03,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:18:03,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:18:03,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:18:03,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:18:03,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:18:03,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:18:03,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:18:03,943 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:18:03,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:18:03,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:18:03,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:18:03,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:18:03,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:18:03,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:18:03,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:18:03,946 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:18:04,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:18:04,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:18:04,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:18:04,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:18:04,166 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:18:04,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2022-01-10 04:18:04,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbcbebc/85ea0709aeb4483995330e49d0ee4731/FLAG389f79825 [2022-01-10 04:18:04,647 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:18:04,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2022-01-10 04:18:04,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbcbebc/85ea0709aeb4483995330e49d0ee4731/FLAG389f79825 [2022-01-10 04:18:04,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbcbebc/85ea0709aeb4483995330e49d0ee4731 [2022-01-10 04:18:04,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:18:04,664 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:18:04,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:18:04,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:18:04,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:18:04,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:18:04" (1/1) ... [2022-01-10 04:18:04,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7c1890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:04, skipping insertion in model container [2022-01-10 04:18:04,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:18:04" (1/1) ... [2022-01-10 04:18:04,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:18:04,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:18:04,988 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_label21.c[16331,16344] [2022-01-10 04:18:05,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:18:05,028 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:18:05,074 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_label21.c[16331,16344] [2022-01-10 04:18:05,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:18:05,091 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:18:05,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05 WrapperNode [2022-01-10 04:18:05,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:18:05,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:18:05,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:18:05,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:18:05,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,140 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 04:18:05,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:18:05,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:18:05,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:18:05,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:18:05,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:18:05,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:18:05,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:18:05,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:18:05,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (1/1) ... [2022-01-10 04:18:05,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:18:05,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:18:05,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 04:18:05,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 04:18:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:18:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:18:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:18:05,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:18:05,335 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:18:05,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:18:06,094 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:18:06,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:18:06,103 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:18:06,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:18:06 BoogieIcfgContainer [2022-01-10 04:18:06,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:18:06,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:18:06,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:18:06,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:18:06,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:18:04" (1/3) ... [2022-01-10 04:18:06,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1213bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:18:06, skipping insertion in model container [2022-01-10 04:18:06,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:18:05" (2/3) ... [2022-01-10 04:18:06,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1213bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:18:06, skipping insertion in model container [2022-01-10 04:18:06,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:18:06" (3/3) ... [2022-01-10 04:18:06,111 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2022-01-10 04:18:06,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:18:06,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:18:06,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:18:06,153 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 04:18:06,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:18:06,165 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) [2022-01-10 04:18:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-01-10 04:18:06,170 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:06,170 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] [2022-01-10 04:18:06,171 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:06,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash 91008837, now seen corresponding path program 1 times [2022-01-10 04:18:06,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:06,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022799107] [2022-01-10 04:18:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:06,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:06,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:06,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:06,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 04:18:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:06,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 04:18:06,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:09,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:09,188 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:09,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022799107] [2022-01-10 04:18:09,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022799107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:09,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:09,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 04:18:09,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965943416] [2022-01-10 04:18:09,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:09,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 04:18:09,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:09,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 04:18:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:09,222 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 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:10,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:10,690 INFO L93 Difference]: Finished difference Result 813 states and 1442 transitions. [2022-01-10 04:18:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:18:10,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 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 96 [2022-01-10 04:18:10,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:10,701 INFO L225 Difference]: With dead ends: 813 [2022-01-10 04:18:10,701 INFO L226 Difference]: Without dead ends: 510 [2022-01-10 04:18:10,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-01-10 04:18:10,706 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 636 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:10,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 294 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-10 04:18:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-01-10 04:18:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 505. [2022-01-10 04:18:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.25) internal successors, (630), 504 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 630 transitions. [2022-01-10 04:18:10,769 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 630 transitions. Word has length 96 [2022-01-10 04:18:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:10,770 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 630 transitions. [2022-01-10 04:18:10,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 630 transitions. [2022-01-10 04:18:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 04:18:10,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:10,773 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 04:18:10,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:10,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:10,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:10,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:10,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1733098064, now seen corresponding path program 1 times [2022-01-10 04:18:10,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:10,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232862421] [2022-01-10 04:18:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:10,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:10,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:10,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:10,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 04:18:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:11,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 04:18:11,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:12,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:12,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:12,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232862421] [2022-01-10 04:18:12,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232862421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:12,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:12,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 04:18:12,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093139864] [2022-01-10 04:18:12,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:12,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 04:18:12,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 04:18:12,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:12,309 INFO L87 Difference]: Start difference. First operand 505 states and 630 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:13,310 INFO L93 Difference]: Finished difference Result 1378 states and 1793 transitions. [2022-01-10 04:18:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 04:18:13,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 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 101 [2022-01-10 04:18:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:13,314 INFO L225 Difference]: With dead ends: 1378 [2022-01-10 04:18:13,314 INFO L226 Difference]: Without dead ends: 801 [2022-01-10 04:18:13,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:13,316 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 277 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:13,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 158 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 04:18:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-01-10 04:18:13,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 799. [2022-01-10 04:18:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 798 states have (on average 1.2481203007518797) internal successors, (996), 798 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 996 transitions. [2022-01-10 04:18:13,337 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 996 transitions. Word has length 101 [2022-01-10 04:18:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:13,337 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 996 transitions. [2022-01-10 04:18:13,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 996 transitions. [2022-01-10 04:18:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-10 04:18:13,341 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:13,341 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 04:18:13,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:13,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:13,542 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1606104122, now seen corresponding path program 1 times [2022-01-10 04:18:13,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:13,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043830758] [2022-01-10 04:18:13,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:13,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:13,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:13,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 04:18:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:13,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 04:18:13,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:15,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:15,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:15,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043830758] [2022-01-10 04:18:15,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043830758] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:15,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:15,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 04:18:15,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082629234] [2022-01-10 04:18:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:15,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 04:18:15,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 04:18:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:15,391 INFO L87 Difference]: Start difference. First operand 799 states and 996 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:16,464 INFO L93 Difference]: Finished difference Result 1681 states and 2120 transitions. [2022-01-10 04:18:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 04:18:16,464 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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 105 [2022-01-10 04:18:16,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:16,467 INFO L225 Difference]: With dead ends: 1681 [2022-01-10 04:18:16,467 INFO L226 Difference]: Without dead ends: 884 [2022-01-10 04:18:16,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:16,468 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 286 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:16,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 237 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 04:18:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2022-01-10 04:18:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 876. [2022-01-10 04:18:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 875 states have (on average 1.2285714285714286) internal successors, (1075), 875 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1075 transitions. [2022-01-10 04:18:16,482 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1075 transitions. Word has length 105 [2022-01-10 04:18:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:16,483 INFO L470 AbstractCegarLoop]: Abstraction has 876 states and 1075 transitions. [2022-01-10 04:18:16,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1075 transitions. [2022-01-10 04:18:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-10 04:18:16,486 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:16,487 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-01-10 04:18:16,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:16,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:16,693 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1590660111, now seen corresponding path program 1 times [2022-01-10 04:18:16,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:16,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449926901] [2022-01-10 04:18:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:16,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:16,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:16,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 04:18:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:16,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:16,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 04:18:16,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:16,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:16,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449926901] [2022-01-10 04:18:16,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449926901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:16,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:16,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:18:16,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575275350] [2022-01-10 04:18:16,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:16,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:16,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:16,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:16,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:16,868 INFO L87 Difference]: Start difference. First operand 876 states and 1075 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:17,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:17,219 INFO L93 Difference]: Finished difference Result 2170 states and 2620 transitions. [2022-01-10 04:18:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:17,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 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 113 [2022-01-10 04:18:17,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:17,222 INFO L225 Difference]: With dead ends: 2170 [2022-01-10 04:18:17,222 INFO L226 Difference]: Without dead ends: 874 [2022-01-10 04:18:17,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:17,224 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 189 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:17,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 78 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-01-10 04:18:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2022-01-10 04:18:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.1649484536082475) internal successors, (1017), 873 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1017 transitions. [2022-01-10 04:18:17,235 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1017 transitions. Word has length 113 [2022-01-10 04:18:17,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:17,235 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1017 transitions. [2022-01-10 04:18:17,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1017 transitions. [2022-01-10 04:18:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 04:18:17,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:17,237 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:17,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:17,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:17,444 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:17,445 INFO L85 PathProgramCache]: Analyzing trace with hash 418637160, now seen corresponding path program 1 times [2022-01-10 04:18:17,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:17,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109585520] [2022-01-10 04:18:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:17,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:17,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:17,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:17,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 04:18:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:17,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 04:18:17,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:21,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:21,206 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:21,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109585520] [2022-01-10 04:18:21,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109585520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:21,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:21,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:18:21,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963902200] [2022-01-10 04:18:21,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:21,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:18:21,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:18:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:18:21,208 INFO L87 Difference]: Start difference. First operand 874 states and 1017 transitions. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:23,110 INFO L93 Difference]: Finished difference Result 2678 states and 3160 transitions. [2022-01-10 04:18:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:18:23,111 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-10 04:18:23,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:23,115 INFO L225 Difference]: With dead ends: 2678 [2022-01-10 04:18:23,115 INFO L226 Difference]: Without dead ends: 1806 [2022-01-10 04:18:23,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-01-10 04:18:23,117 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 744 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:23,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 221 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 04:18:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2022-01-10 04:18:23,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1504. [2022-01-10 04:18:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1504 states, 1503 states have (on average 1.1463739188290087) internal successors, (1723), 1503 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1723 transitions. [2022-01-10 04:18:23,156 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1723 transitions. Word has length 126 [2022-01-10 04:18:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:23,156 INFO L470 AbstractCegarLoop]: Abstraction has 1504 states and 1723 transitions. [2022-01-10 04:18:23,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1723 transitions. [2022-01-10 04:18:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-01-10 04:18:23,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:23,158 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-01-10 04:18:23,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:23,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:23,365 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:23,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1219255945, now seen corresponding path program 1 times [2022-01-10 04:18:23,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:23,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041659248] [2022-01-10 04:18:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:23,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:23,367 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:23,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 04:18:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:23,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:23,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 04:18:23,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:23,564 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:23,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041659248] [2022-01-10 04:18:23,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041659248] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:23,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:23,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:23,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944740782] [2022-01-10 04:18:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:23,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:23,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:23,566 INFO L87 Difference]: Start difference. First operand 1504 states and 1723 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:23,919 INFO L93 Difference]: Finished difference Result 2850 states and 3278 transitions. [2022-01-10 04:18:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:23,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-01-10 04:18:23,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:23,922 INFO L225 Difference]: With dead ends: 2850 [2022-01-10 04:18:23,923 INFO L226 Difference]: Without dead ends: 1208 [2022-01-10 04:18:23,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:23,925 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 149 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:23,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 176 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:23,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-01-10 04:18:23,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1040. [2022-01-10 04:18:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1039 states have (on average 1.0904716073147256) internal successors, (1133), 1039 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1133 transitions. [2022-01-10 04:18:23,937 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1133 transitions. Word has length 130 [2022-01-10 04:18:23,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:23,937 INFO L470 AbstractCegarLoop]: Abstraction has 1040 states and 1133 transitions. [2022-01-10 04:18:23,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1133 transitions. [2022-01-10 04:18:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-01-10 04:18:23,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:23,938 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:23,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 04:18:24,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:24,144 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash 877026739, now seen corresponding path program 1 times [2022-01-10 04:18:24,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:24,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499378220] [2022-01-10 04:18:24,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:24,146 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:24,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:24,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:24,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 04:18:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:24,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 04:18:24,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:24,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:24,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499378220] [2022-01-10 04:18:24,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499378220] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:24,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:24,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:24,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363237395] [2022-01-10 04:18:24,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:24,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:24,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:24,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:24,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:24,336 INFO L87 Difference]: Start difference. First operand 1040 states and 1133 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:24,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:24,694 INFO L93 Difference]: Finished difference Result 2499 states and 2740 transitions. [2022-01-10 04:18:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:24,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-01-10 04:18:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:24,698 INFO L225 Difference]: With dead ends: 2499 [2022-01-10 04:18:24,698 INFO L226 Difference]: Without dead ends: 1461 [2022-01-10 04:18:24,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:24,699 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 142 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:24,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 166 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:24,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-01-10 04:18:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1320. [2022-01-10 04:18:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.0803639120545867) internal successors, (1425), 1319 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1425 transitions. [2022-01-10 04:18:24,713 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1425 transitions. Word has length 141 [2022-01-10 04:18:24,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:24,713 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1425 transitions. [2022-01-10 04:18:24,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1425 transitions. [2022-01-10 04:18:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 04:18:24,715 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:24,715 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:24,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:24,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:24,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:24,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:24,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1113560659, now seen corresponding path program 1 times [2022-01-10 04:18:24,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:24,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405090459] [2022-01-10 04:18:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:24,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:24,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:24,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 04:18:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:24,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:24,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 04:18:25,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:25,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:25,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405090459] [2022-01-10 04:18:25,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405090459] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:25,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:25,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:25,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401038620] [2022-01-10 04:18:25,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:25,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:25,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:25,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:25,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:25,142 INFO L87 Difference]: Start difference. First operand 1320 states and 1425 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:25,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:25,467 INFO L93 Difference]: Finished difference Result 3197 states and 3464 transitions. [2022-01-10 04:18:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:25,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 147 [2022-01-10 04:18:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:25,471 INFO L225 Difference]: With dead ends: 3197 [2022-01-10 04:18:25,471 INFO L226 Difference]: Without dead ends: 1519 [2022-01-10 04:18:25,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:25,473 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 185 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:25,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 53 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-01-10 04:18:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1239. [2022-01-10 04:18:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1238 states have (on average 1.0735056542810986) internal successors, (1329), 1238 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1329 transitions. [2022-01-10 04:18:25,513 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1329 transitions. Word has length 147 [2022-01-10 04:18:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:25,513 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 1329 transitions. [2022-01-10 04:18:25,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1329 transitions. [2022-01-10 04:18:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-10 04:18:25,515 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:25,515 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:25,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:25,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:25,722 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:25,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:25,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1948298230, now seen corresponding path program 1 times [2022-01-10 04:18:25,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:25,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241335986] [2022-01-10 04:18:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:25,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:25,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:25,724 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:25,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 04:18:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:25,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:25,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:18:25,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:25,996 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:25,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241335986] [2022-01-10 04:18:25,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241335986] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:25,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:25,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:25,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402779053] [2022-01-10 04:18:25,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:25,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:25,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:25,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:25,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:25,998 INFO L87 Difference]: Start difference. First operand 1239 states and 1329 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:26,295 INFO L93 Difference]: Finished difference Result 3043 states and 3267 transitions. [2022-01-10 04:18:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:26,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 191 [2022-01-10 04:18:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:26,298 INFO L225 Difference]: With dead ends: 3043 [2022-01-10 04:18:26,298 INFO L226 Difference]: Without dead ends: 1339 [2022-01-10 04:18:26,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:26,305 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 131 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:26,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 127 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:26,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2022-01-10 04:18:26,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1336. [2022-01-10 04:18:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1335 states have (on average 1.054681647940075) internal successors, (1408), 1335 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1408 transitions. [2022-01-10 04:18:26,318 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1408 transitions. Word has length 191 [2022-01-10 04:18:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:26,318 INFO L470 AbstractCegarLoop]: Abstraction has 1336 states and 1408 transitions. [2022-01-10 04:18:26,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1408 transitions. [2022-01-10 04:18:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-01-10 04:18:26,320 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:26,321 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:26,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-01-10 04:18:26,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:26,527 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:26,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1974822912, now seen corresponding path program 1 times [2022-01-10 04:18:26,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:26,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739666378] [2022-01-10 04:18:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:26,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:26,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:26,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 04:18:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:26,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:18:26,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:18:26,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:26,869 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:26,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739666378] [2022-01-10 04:18:26,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739666378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:26,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:26,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:18:26,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86284988] [2022-01-10 04:18:26,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:26,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:18:26,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:26,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:18:26,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:18:26,870 INFO L87 Difference]: Start difference. First operand 1336 states and 1408 transitions. Second operand has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:27,444 INFO L93 Difference]: Finished difference Result 2813 states and 2970 transitions. [2022-01-10 04:18:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:18:27,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 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 214 [2022-01-10 04:18:27,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:27,447 INFO L225 Difference]: With dead ends: 2813 [2022-01-10 04:18:27,447 INFO L226 Difference]: Without dead ends: 1187 [2022-01-10 04:18:27,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:18:27,449 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 246 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:27,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 248 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 04:18:27,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-01-10 04:18:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-01-10 04:18:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1183 states have (on average 1.040574809805579) internal successors, (1231), 1183 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1231 transitions. [2022-01-10 04:18:27,460 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1231 transitions. Word has length 214 [2022-01-10 04:18:27,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:27,460 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 1231 transitions. [2022-01-10 04:18:27,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1231 transitions. [2022-01-10 04:18:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-01-10 04:18:27,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:27,463 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:27,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:27,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:27,669 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:27,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:27,670 INFO L85 PathProgramCache]: Analyzing trace with hash 110752679, now seen corresponding path program 1 times [2022-01-10 04:18:27,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:27,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154172879] [2022-01-10 04:18:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:27,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:27,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:27,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:18:27,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 04:18:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:27,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:27,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-01-10 04:18:28,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:28,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:28,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154172879] [2022-01-10 04:18:28,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154172879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:28,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:28,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:28,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771570139] [2022-01-10 04:18:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:28,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:28,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:28,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:28,002 INFO L87 Difference]: Start difference. First operand 1184 states and 1231 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:28,280 INFO L93 Difference]: Finished difference Result 2077 states and 2163 transitions. [2022-01-10 04:18:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:28,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 249 [2022-01-10 04:18:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:28,281 INFO L225 Difference]: With dead ends: 2077 [2022-01-10 04:18:28,281 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:18:28,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:28,282 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 131 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:28,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 178 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:18:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:18:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:18:28,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2022-01-10 04:18:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:28,283 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:18:28,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:18:28,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:18:28,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:18:28,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 04:18:28,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:18:28,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:18:28,943 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,943 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,943 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,944 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,945 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,946 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 04:18:28,947 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 04:18:28,948 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 04:18:28,949 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 04:18:28,950 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~a19~0)) (.cse5 (not (= (_ bv1 32) ~a21~0)))) (let ((.cse0 (= (_ bv0 32) ~a11~0)) (.cse6 (= ~a28~0 (_ bv9 32))) (.cse7 (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|))) (.cse2 (= (_ bv8 32) ~a17~0)) (.cse3 (= (_ bv1 32) ~a11~0)) (.cse1 (or (not .cse4) .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5) (and (= (_ bv1 32) ~a25~0) .cse0 .cse2) (and .cse0 .cse6 .cse1) (and (= (_ bv10 32) ~a28~0) .cse0 .cse7 .cse2) (and (= (_ bv7 32) ~a17~0) .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse2) (and .cse3 .cse1)))) [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 04:18:28,951 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~a19~0)) (.cse5 (not (= (_ bv1 32) ~a21~0)))) (let ((.cse0 (= (_ bv0 32) ~a11~0)) (.cse6 (= ~a28~0 (_ bv9 32))) (.cse7 (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|))) (.cse2 (= (_ bv8 32) ~a17~0)) (.cse3 (= (_ bv1 32) ~a11~0)) (.cse1 (or (not .cse4) .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5) (and (= (_ bv1 32) ~a25~0) .cse0 .cse2) (and .cse0 .cse6 .cse1) (and (= (_ bv10 32) ~a28~0) .cse0 .cse7 .cse2) (and (= (_ bv7 32) ~a17~0) .cse3 .cse4) (and (= (_ bv7 32) ~a28~0) (= (_ bv0 32) ~a25~0) .cse0 .cse2) (and .cse0 .cse6 .cse7 .cse2) (and .cse3 .cse1)))) [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,952 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 04:18:28,953 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 04:18:28,954 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 04:18:28,957 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:28,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:18:28,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:18:28 BoogieIcfgContainer [2022-01-10 04:18:28,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:18:28,984 INFO L158 Benchmark]: Toolchain (without parser) took 24319.98ms. Allocated memory was 191.9MB in the beginning and 355.5MB in the end (delta: 163.6MB). Free memory was 139.0MB in the beginning and 150.8MB in the end (delta: -11.8MB). Peak memory consumption was 152.6MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,984 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:18:28,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.52ms. Allocated memory is still 191.9MB. Free memory was 138.8MB in the beginning and 150.4MB in the end (delta: -11.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.08ms. Allocated memory is still 191.9MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,985 INFO L158 Benchmark]: Boogie Preprocessor took 65.68ms. Allocated memory is still 191.9MB. Free memory was 145.1MB in the beginning and 140.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,985 INFO L158 Benchmark]: RCFGBuilder took 898.72ms. Allocated memory is still 191.9MB. Free memory was 140.7MB in the beginning and 132.8MB in the end (delta: 7.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,985 INFO L158 Benchmark]: TraceAbstraction took 22876.98ms. Allocated memory was 191.9MB in the beginning and 355.5MB in the end (delta: 163.6MB). Free memory was 132.3MB in the beginning and 150.8MB in the end (delta: -18.5MB). Peak memory consumption was 145.1MB. Max. memory is 8.0GB. [2022-01-10 04:18:28,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.52ms. Allocated memory is still 191.9MB. Free memory was 138.8MB in the beginning and 150.4MB in the end (delta: -11.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.08ms. Allocated memory is still 191.9MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.68ms. Allocated memory is still 191.9MB. Free memory was 145.1MB in the beginning and 140.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 898.72ms. Allocated memory is still 191.9MB. Free memory was 140.7MB in the beginning and 132.8MB in the end (delta: 7.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 22876.98ms. Allocated memory was 191.9MB in the beginning and 355.5MB in the end (delta: 163.6MB). Free memory was 132.3MB in the beginning and 150.8MB in the end (delta: -18.5MB). Peak memory consumption was 145.1MB. 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: 470]: 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: 22.8s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3116 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3116 mSDsluCounter, 1936 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 582 mSDsCounter, 902 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10219 IncrementalHoareTripleChecker+Invalid, 11121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 902 mSolverCounterUnsat, 1354 mSDtfsCounter, 10219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1606 GetRequests, 1565 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1504occurred in iteration=5, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 912 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 286 HoareAnnotationTreeSize, 3 FomulaSimplifications, 130 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1908 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 1613 NumberOfCodeBlocks, 1613 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1602 ConstructedInterpolants, 0 QuantifiedInterpolants, 14290 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2319 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 901/901 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: ((((((((((0bv32 == a11 && (!(1bv32 == a19) || !(1bv32 == a21))) && 8bv32 == a17) || ((1bv32 == a11 && 1bv32 == a19) && 8bv32 == a17)) || (1bv32 == a19 && !(1bv32 == a21))) || ((1bv32 == a25 && 0bv32 == a11) && 8bv32 == a17)) || ((0bv32 == a11 && a28 == 9bv32) && (!(1bv32 == a19) || !(1bv32 == a21)))) || (((10bv32 == a28 && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || ((7bv32 == a17 && 1bv32 == a11) && 1bv32 == a19)) || (((7bv32 == a28 && 0bv32 == a25) && 0bv32 == a11) && 8bv32 == a17)) || (((0bv32 == a11 && a28 == 9bv32) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || (1bv32 == a11 && (!(1bv32 == a19) || !(1bv32 == a21))) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((0bv32 == a11 && (!(1bv32 == a19) || !(1bv32 == a21))) && 8bv32 == a17) || ((1bv32 == a11 && 1bv32 == a19) && 8bv32 == a17)) || (1bv32 == a19 && !(1bv32 == a21))) || ((1bv32 == a25 && 0bv32 == a11) && 8bv32 == a17)) || ((0bv32 == a11 && a28 == 9bv32) && (!(1bv32 == a19) || !(1bv32 == a21)))) || (((10bv32 == a28 && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || ((7bv32 == a17 && 1bv32 == a11) && 1bv32 == a19)) || (((0bv32 == a11 && a28 == 9bv32) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || (1bv32 == a11 && (!(1bv32 == a19) || !(1bv32 == a21))) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:18:29,013 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...