./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label40.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f53b2170461d6ccb2f555c2563f6892d9b3f8ab ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 21:46:11,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:46:11,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:46:11,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:46:11,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:46:11,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:46:11,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:46:11,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:46:11,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:46:11,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:46:11,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:46:11,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:46:11,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:46:11,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:46:11,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:46:11,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:46:11,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:46:11,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:46:11,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:46:11,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:46:11,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:46:11,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:46:11,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:46:11,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:46:11,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:46:11,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:46:11,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:46:11,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:46:11,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:46:11,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:46:11,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:46:11,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:46:11,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:46:11,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:46:11,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:46:11,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:46:11,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:46:11,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:46:11,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:46:11,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:46:11,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:46:11,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:46:11,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:46:11,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:46:11,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:46:11,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:46:11,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:46:11,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:46:11,864 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:46:11,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:46:11,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:46:11,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:46:11,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:46:11,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:46:11,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:46:11,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:46:11,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:46:11,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:46:11,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:46:11,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:46:11,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:46:11,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:46:11,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:46:11,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:46:11,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:46:11,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:46:11,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f53b2170461d6ccb2f555c2563f6892d9b3f8ab [2021-08-25 21:46:12,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:46:12,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:46:12,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:46:12,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:46:12,177 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:46:12,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label40.c [2021-08-25 21:46:12,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5fd4a3d/5ccacb70b6c54c19bc37a58519d44026/FLAG9cfd72f88 [2021-08-25 21:46:12,774 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:46:12,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label40.c [2021-08-25 21:46:12,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5fd4a3d/5ccacb70b6c54c19bc37a58519d44026/FLAG9cfd72f88 [2021-08-25 21:46:13,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5fd4a3d/5ccacb70b6c54c19bc37a58519d44026 [2021-08-25 21:46:13,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:46:13,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:46:13,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:46:13,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:46:13,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:46:13,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e063b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13, skipping insertion in model container [2021-08-25 21:46:13,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:46:13,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:46:13,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label40.c[6409,6422] [2021-08-25 21:46:13,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:46:13,610 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:46:13,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label40.c[6409,6422] [2021-08-25 21:46:13,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:46:13,768 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:46:13,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13 WrapperNode [2021-08-25 21:46:13,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:46:13,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:46:13,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:46:13,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:46:13,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:46:13,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:46:13,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:46:13,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:46:13,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:13,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:14,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:14,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:14,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:46:14,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:46:14,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:46:14,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:46:14,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (1/1) ... [2021-08-25 21:46:14,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:46:14,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:14,057 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) [2021-08-25 21:46:14,059 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 [2021-08-25 21:46:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:46:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:46:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:46:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:46:15,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:46:15,504 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:46:15,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:15 BoogieIcfgContainer [2021-08-25 21:46:15,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:46:15,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:46:15,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:46:15,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:46:15,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:46:13" (1/3) ... [2021-08-25 21:46:15,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c71436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:46:15, skipping insertion in model container [2021-08-25 21:46:15,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:13" (2/3) ... [2021-08-25 21:46:15,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c71436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:46:15, skipping insertion in model container [2021-08-25 21:46:15,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:15" (3/3) ... [2021-08-25 21:46:15,515 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label40.c [2021-08-25 21:46:15,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:46:15,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:46:15,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:46:15,568 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-25 21:46:15,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:46:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-25 21:46:15,591 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:15,591 INFO L512 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] [2021-08-25 21:46:15,592 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:15,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:15,596 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-08-25 21:46:15,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:15,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338200688] [2021-08-25 21:46:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:15,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:15,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:15,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338200688] [2021-08-25 21:46:15,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338200688] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:15,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:15,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:15,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448599916] [2021-08-25 21:46:15,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:15,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:15,906 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:16,997 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-08-25 21:46:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:16,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-08-25 21:46:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:17,013 INFO L225 Difference]: With dead ends: 761 [2021-08-25 21:46:17,013 INFO L226 Difference]: Without dead ends: 413 [2021-08-25 21:46:17,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-08-25 21:46:17,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-08-25 21:46:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-08-25 21:46:17,069 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 44 [2021-08-25 21:46:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:17,070 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-08-25 21:46:17,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-08-25 21:46:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-08-25 21:46:17,073 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:17,074 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:17,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:46:17,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1200539258, now seen corresponding path program 1 times [2021-08-25 21:46:17,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:17,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538379493] [2021-08-25 21:46:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:17,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:17,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:17,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538379493] [2021-08-25 21:46:17,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538379493] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:17,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:17,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:17,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549774737] [2021-08-25 21:46:17,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:17,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:17,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:17,219 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:18,016 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-08-25 21:46:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:18,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2021-08-25 21:46:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:18,020 INFO L225 Difference]: With dead ends: 1211 [2021-08-25 21:46:18,020 INFO L226 Difference]: Without dead ends: 800 [2021-08-25 21:46:18,023 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:18,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-08-25 21:46:18,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-08-25 21:46:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2021-08-25 21:46:18,051 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 112 [2021-08-25 21:46:18,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:18,051 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2021-08-25 21:46:18,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2021-08-25 21:46:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-25 21:46:18,055 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:18,056 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:18,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:46:18,056 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:18,057 INFO L82 PathProgramCache]: Analyzing trace with hash -590739588, now seen corresponding path program 1 times [2021-08-25 21:46:18,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:18,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533869161] [2021-08-25 21:46:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:18,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:18,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:18,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533869161] [2021-08-25 21:46:18,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533869161] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:18,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:18,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:18,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803885518] [2021-08-25 21:46:18,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:18,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:18,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:18,176 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:18,891 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2021-08-25 21:46:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:18,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 [2021-08-25 21:46:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:18,897 INFO L225 Difference]: With dead ends: 1945 [2021-08-25 21:46:18,897 INFO L226 Difference]: Without dead ends: 1158 [2021-08-25 21:46:18,898 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:18,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-08-25 21:46:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-08-25 21:46:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2021-08-25 21:46:18,919 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 113 [2021-08-25 21:46:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:18,920 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2021-08-25 21:46:18,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2021-08-25 21:46:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-08-25 21:46:18,924 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:18,925 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:18,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:46:18,925 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:18,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:18,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1199532265, now seen corresponding path program 1 times [2021-08-25 21:46:18,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:18,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005992046] [2021-08-25 21:46:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:18,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:19,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:19,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005992046] [2021-08-25 21:46:19,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005992046] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:19,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:19,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:19,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690121810] [2021-08-25 21:46:19,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:19,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:19,046 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:20,359 INFO L93 Difference]: Finished difference Result 3445 states and 4568 transitions. [2021-08-25 21:46:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:20,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2021-08-25 21:46:20,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:20,368 INFO L225 Difference]: With dead ends: 3445 [2021-08-25 21:46:20,368 INFO L226 Difference]: Without dead ends: 2474 [2021-08-25 21:46:20,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2021-08-25 21:46:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2473. [2021-08-25 21:46:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 2472 states have (on average 1.287621359223301) internal successors, (3183), 2472 states have internal predecessors, (3183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3183 transitions. [2021-08-25 21:46:20,419 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3183 transitions. Word has length 171 [2021-08-25 21:46:20,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:20,420 INFO L470 AbstractCegarLoop]: Abstraction has 2473 states and 3183 transitions. [2021-08-25 21:46:20,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3183 transitions. [2021-08-25 21:46:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-08-25 21:46:20,428 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:20,429 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-08-25 21:46:20,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:46:20,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:20,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:20,431 INFO L82 PathProgramCache]: Analyzing trace with hash -362773066, now seen corresponding path program 1 times [2021-08-25 21:46:20,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:20,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841303263] [2021-08-25 21:46:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:20,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:20,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:20,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841303263] [2021-08-25 21:46:20,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841303263] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:20,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:20,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:20,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227868213] [2021-08-25 21:46:20,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:20,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:20,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:20,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:20,601 INFO L87 Difference]: Start difference. First operand 2473 states and 3183 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:21,386 INFO L93 Difference]: Finished difference Result 5695 states and 7520 transitions. [2021-08-25 21:46:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:21,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2021-08-25 21:46:21,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:21,400 INFO L225 Difference]: With dead ends: 5695 [2021-08-25 21:46:21,400 INFO L226 Difference]: Without dead ends: 3592 [2021-08-25 21:46:21,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:21,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3592 states. [2021-08-25 21:46:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3592 to 3579. [2021-08-25 21:46:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 3578 states have (on average 1.252375628842929) internal successors, (4481), 3578 states have internal predecessors, (4481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4481 transitions. [2021-08-25 21:46:21,467 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4481 transitions. Word has length 224 [2021-08-25 21:46:21,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:21,467 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4481 transitions. [2021-08-25 21:46:21,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4481 transitions. [2021-08-25 21:46:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-08-25 21:46:21,472 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:21,472 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-08-25 21:46:21,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:46:21,473 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:21,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1808781376, now seen corresponding path program 1 times [2021-08-25 21:46:21,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:21,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897350242] [2021-08-25 21:46:21,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:21,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:46:21,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:21,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897350242] [2021-08-25 21:46:21,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897350242] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:21,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:21,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:21,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256715353] [2021-08-25 21:46:21,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:21,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:21,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:21,599 INFO L87 Difference]: Start difference. First operand 3579 states and 4481 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:22,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:22,340 INFO L93 Difference]: Finished difference Result 7726 states and 9781 transitions. [2021-08-25 21:46:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:22,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 225 [2021-08-25 21:46:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:22,356 INFO L225 Difference]: With dead ends: 7726 [2021-08-25 21:46:22,356 INFO L226 Difference]: Without dead ends: 4517 [2021-08-25 21:46:22,361 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4517 states. [2021-08-25 21:46:22,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4517 to 4499. [2021-08-25 21:46:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4499 states, 4498 states have (on average 1.240773677189862) internal successors, (5581), 4498 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4499 states to 4499 states and 5581 transitions. [2021-08-25 21:46:22,436 INFO L78 Accepts]: Start accepts. Automaton has 4499 states and 5581 transitions. Word has length 225 [2021-08-25 21:46:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:22,437 INFO L470 AbstractCegarLoop]: Abstraction has 4499 states and 5581 transitions. [2021-08-25 21:46:22,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 5581 transitions. [2021-08-25 21:46:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-08-25 21:46:22,440 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:22,440 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:22,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:46:22,441 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:22,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:22,441 INFO L82 PathProgramCache]: Analyzing trace with hash -218901039, now seen corresponding path program 1 times [2021-08-25 21:46:22,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:22,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20885361] [2021-08-25 21:46:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:22,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:46:22,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:22,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20885361] [2021-08-25 21:46:22,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20885361] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:22,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:22,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:22,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120818539] [2021-08-25 21:46:22,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:22,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:22,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:22,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:22,515 INFO L87 Difference]: Start difference. First operand 4499 states and 5581 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:23,311 INFO L93 Difference]: Finished difference Result 9741 states and 12305 transitions. [2021-08-25 21:46:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 226 [2021-08-25 21:46:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:23,334 INFO L225 Difference]: With dead ends: 9741 [2021-08-25 21:46:23,334 INFO L226 Difference]: Without dead ends: 5612 [2021-08-25 21:46:23,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2021-08-25 21:46:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 5419. [2021-08-25 21:46:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5419 states, 5418 states have (on average 1.2331118493909192) internal successors, (6681), 5418 states have internal predecessors, (6681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5419 states to 5419 states and 6681 transitions. [2021-08-25 21:46:23,438 INFO L78 Accepts]: Start accepts. Automaton has 5419 states and 6681 transitions. Word has length 226 [2021-08-25 21:46:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:23,439 INFO L470 AbstractCegarLoop]: Abstraction has 5419 states and 6681 transitions. [2021-08-25 21:46:23,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5419 states and 6681 transitions. [2021-08-25 21:46:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-25 21:46:23,443 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:23,443 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:23,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 21:46:23,443 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:23,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:23,444 INFO L82 PathProgramCache]: Analyzing trace with hash -25691425, now seen corresponding path program 1 times [2021-08-25 21:46:23,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:23,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621421308] [2021-08-25 21:46:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:23,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-08-25 21:46:23,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:23,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621421308] [2021-08-25 21:46:23,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621421308] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:23,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148954720] [2021-08-25 21:46:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:23,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:23,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:23,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:23,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 21:46:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:23,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 21:46:23,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-08-25 21:46:25,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148954720] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:25,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:46:25,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-08-25 21:46:25,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422364342] [2021-08-25 21:46:25,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:46:25,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:25,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:46:25,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:25,791 INFO L87 Difference]: Start difference. First operand 5419 states and 6681 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 4 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:27,250 INFO L93 Difference]: Finished difference Result 11779 states and 14816 transitions. [2021-08-25 21:46:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:27,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 4 states have internal predecessors, (201), 0 states have call successors, (0), 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 246 [2021-08-25 21:46:27,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:27,276 INFO L225 Difference]: With dead ends: 11779 [2021-08-25 21:46:27,277 INFO L226 Difference]: Without dead ends: 7656 [2021-08-25 21:46:27,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:27,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7656 states. [2021-08-25 21:46:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7656 to 7285. [2021-08-25 21:46:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7285 states, 7284 states have (on average 1.2225425590334982) internal successors, (8905), 7284 states have internal predecessors, (8905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 8905 transitions. [2021-08-25 21:46:27,401 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 8905 transitions. Word has length 246 [2021-08-25 21:46:27,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:27,401 INFO L470 AbstractCegarLoop]: Abstraction has 7285 states and 8905 transitions. [2021-08-25 21:46:27,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 4 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 8905 transitions. [2021-08-25 21:46:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-08-25 21:46:27,405 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:27,406 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:27,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:27,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:27,628 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:27,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1612832131, now seen corresponding path program 1 times [2021-08-25 21:46:27,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:27,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944295206] [2021-08-25 21:46:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:27,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 21:46:27,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:27,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944295206] [2021-08-25 21:46:27,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944295206] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:27,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:27,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:27,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191193305] [2021-08-25 21:46:27,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:27,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:27,709 INFO L87 Difference]: Start difference. First operand 7285 states and 8905 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:28,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:28,502 INFO L93 Difference]: Finished difference Result 17141 states and 21218 transitions. [2021-08-25 21:46:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:28,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 247 [2021-08-25 21:46:28,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:28,527 INFO L225 Difference]: With dead ends: 17141 [2021-08-25 21:46:28,527 INFO L226 Difference]: Without dead ends: 10226 [2021-08-25 21:46:28,536 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10226 states. [2021-08-25 21:46:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10226 to 8935. [2021-08-25 21:46:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8935 states, 8934 states have (on average 1.1906201029773897) internal successors, (10637), 8934 states have internal predecessors, (10637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8935 states to 8935 states and 10637 transitions. [2021-08-25 21:46:28,683 INFO L78 Accepts]: Start accepts. Automaton has 8935 states and 10637 transitions. Word has length 247 [2021-08-25 21:46:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:28,684 INFO L470 AbstractCegarLoop]: Abstraction has 8935 states and 10637 transitions. [2021-08-25 21:46:28,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8935 states and 10637 transitions. [2021-08-25 21:46:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-25 21:46:28,688 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:28,688 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:28,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 21:46:28,689 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:28,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:28,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1131175066, now seen corresponding path program 1 times [2021-08-25 21:46:28,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:28,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945338875] [2021-08-25 21:46:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:28,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:46:28,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:28,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945338875] [2021-08-25 21:46:28,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945338875] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:28,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:28,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:28,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841489837] [2021-08-25 21:46:28,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:28,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:28,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:28,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:28,814 INFO L87 Difference]: Start difference. First operand 8935 states and 10637 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:29,662 INFO L93 Difference]: Finished difference Result 18064 states and 21487 transitions. [2021-08-25 21:46:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:29,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 253 [2021-08-25 21:46:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:29,679 INFO L225 Difference]: With dead ends: 18064 [2021-08-25 21:46:29,680 INFO L226 Difference]: Without dead ends: 9315 [2021-08-25 21:46:29,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9315 states. [2021-08-25 21:46:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9315 to 8934. [2021-08-25 21:46:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8934 states, 8933 states have (on average 1.1605283779245494) internal successors, (10367), 8933 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8934 states to 8934 states and 10367 transitions. [2021-08-25 21:46:29,867 INFO L78 Accepts]: Start accepts. Automaton has 8934 states and 10367 transitions. Word has length 253 [2021-08-25 21:46:29,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:29,867 INFO L470 AbstractCegarLoop]: Abstraction has 8934 states and 10367 transitions. [2021-08-25 21:46:29,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 8934 states and 10367 transitions. [2021-08-25 21:46:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-08-25 21:46:29,876 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:29,877 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:29,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:46:29,878 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:29,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:29,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1228705051, now seen corresponding path program 1 times [2021-08-25 21:46:29,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:29,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813974092] [2021-08-25 21:46:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:29,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-08-25 21:46:30,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:30,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813974092] [2021-08-25 21:46:30,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813974092] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:30,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:30,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:30,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238902713] [2021-08-25 21:46:30,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:30,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:30,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:30,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:30,002 INFO L87 Difference]: Start difference. First operand 8934 states and 10367 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:30,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:30,676 INFO L93 Difference]: Finished difference Result 20074 states and 23254 transitions. [2021-08-25 21:46:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 311 [2021-08-25 21:46:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:30,705 INFO L225 Difference]: With dead ends: 20074 [2021-08-25 21:46:30,705 INFO L226 Difference]: Without dead ends: 11510 [2021-08-25 21:46:30,714 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11510 states. [2021-08-25 21:46:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11510 to 10406. [2021-08-25 21:46:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10406 states, 10405 states have (on average 1.144738106679481) internal successors, (11911), 10405 states have internal predecessors, (11911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10406 states to 10406 states and 11911 transitions. [2021-08-25 21:46:30,889 INFO L78 Accepts]: Start accepts. Automaton has 10406 states and 11911 transitions. Word has length 311 [2021-08-25 21:46:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:30,890 INFO L470 AbstractCegarLoop]: Abstraction has 10406 states and 11911 transitions. [2021-08-25 21:46:30,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 10406 states and 11911 transitions. [2021-08-25 21:46:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-08-25 21:46:30,898 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:30,899 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:30,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 21:46:30,903 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2112552161, now seen corresponding path program 1 times [2021-08-25 21:46:30,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:30,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698615927] [2021-08-25 21:46:30,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:30,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:46:31,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:31,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698615927] [2021-08-25 21:46:31,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698615927] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:31,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:31,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:46:31,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640494444] [2021-08-25 21:46:31,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:31,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:31,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:31,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:31,038 INFO L87 Difference]: Start difference. First operand 10406 states and 11911 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:32,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:32,360 INFO L93 Difference]: Finished difference Result 24330 states and 28178 transitions. [2021-08-25 21:46:32,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:32,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 315 [2021-08-25 21:46:32,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:32,386 INFO L225 Difference]: With dead ends: 24330 [2021-08-25 21:46:32,387 INFO L226 Difference]: Without dead ends: 16148 [2021-08-25 21:46:32,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16148 states. [2021-08-25 21:46:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16148 to 13183. [2021-08-25 21:46:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13183 states, 13182 states have (on average 1.146184190562889) internal successors, (15109), 13182 states have internal predecessors, (15109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13183 states to 13183 states and 15109 transitions. [2021-08-25 21:46:32,626 INFO L78 Accepts]: Start accepts. Automaton has 13183 states and 15109 transitions. Word has length 315 [2021-08-25 21:46:32,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:32,627 INFO L470 AbstractCegarLoop]: Abstraction has 13183 states and 15109 transitions. [2021-08-25 21:46:32,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 13183 states and 15109 transitions. [2021-08-25 21:46:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-08-25 21:46:32,636 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:32,637 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:32,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 21:46:32,637 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:32,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1789202988, now seen corresponding path program 1 times [2021-08-25 21:46:32,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:32,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985072916] [2021-08-25 21:46:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:32,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 21:46:32,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:32,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985072916] [2021-08-25 21:46:32,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985072916] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:32,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:32,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:32,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356114446] [2021-08-25 21:46:32,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:32,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:32,747 INFO L87 Difference]: Start difference. First operand 13183 states and 15109 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:33,555 INFO L93 Difference]: Finished difference Result 32466 states and 37286 transitions. [2021-08-25 21:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:33,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 328 [2021-08-25 21:46:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:33,585 INFO L225 Difference]: With dead ends: 32466 [2021-08-25 21:46:33,585 INFO L226 Difference]: Without dead ends: 19653 [2021-08-25 21:46:33,598 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:33,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19653 states. [2021-08-25 21:46:33,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19653 to 19284. [2021-08-25 21:46:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19284 states, 19283 states have (on average 1.1299071721205207) internal successors, (21788), 19283 states have internal predecessors, (21788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19284 states to 19284 states and 21788 transitions. [2021-08-25 21:46:33,867 INFO L78 Accepts]: Start accepts. Automaton has 19284 states and 21788 transitions. Word has length 328 [2021-08-25 21:46:33,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:33,868 INFO L470 AbstractCegarLoop]: Abstraction has 19284 states and 21788 transitions. [2021-08-25 21:46:33,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 19284 states and 21788 transitions. [2021-08-25 21:46:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-08-25 21:46:33,879 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:33,879 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:33,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 21:46:33,880 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:33,880 INFO L82 PathProgramCache]: Analyzing trace with hash -372665255, now seen corresponding path program 1 times [2021-08-25 21:46:33,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:33,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111926869] [2021-08-25 21:46:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:33,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 21:46:34,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:34,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111926869] [2021-08-25 21:46:34,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111926869] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:34,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:34,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:34,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302624760] [2021-08-25 21:46:34,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:34,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:34,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:34,015 INFO L87 Difference]: Start difference. First operand 19284 states and 21788 transitions. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:35,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:35,301 INFO L93 Difference]: Finished difference Result 49452 states and 56111 transitions. [2021-08-25 21:46:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:35,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 336 [2021-08-25 21:46:35,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:35,340 INFO L225 Difference]: With dead ends: 49452 [2021-08-25 21:46:35,341 INFO L226 Difference]: Without dead ends: 30538 [2021-08-25 21:46:35,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:35,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30538 states. [2021-08-25 21:46:35,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30538 to 29601. [2021-08-25 21:46:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29601 states, 29600 states have (on average 1.1254391891891893) internal successors, (33313), 29600 states have internal predecessors, (33313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29601 states to 29601 states and 33313 transitions. [2021-08-25 21:46:35,839 INFO L78 Accepts]: Start accepts. Automaton has 29601 states and 33313 transitions. Word has length 336 [2021-08-25 21:46:35,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:35,840 INFO L470 AbstractCegarLoop]: Abstraction has 29601 states and 33313 transitions. [2021-08-25 21:46:35,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 29601 states and 33313 transitions. [2021-08-25 21:46:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-08-25 21:46:35,848 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:35,849 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:35,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 21:46:35,849 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:35,850 INFO L82 PathProgramCache]: Analyzing trace with hash -106761509, now seen corresponding path program 1 times [2021-08-25 21:46:35,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:35,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810274009] [2021-08-25 21:46:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:35,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-25 21:46:35,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:35,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810274009] [2021-08-25 21:46:35,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810274009] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:35,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:35,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:46:35,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611262186] [2021-08-25 21:46:35,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:46:35,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:35,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:46:35,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:35,994 INFO L87 Difference]: Start difference. First operand 29601 states and 33313 transitions. Second operand has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:37,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:37,754 INFO L93 Difference]: Finished difference Result 65677 states and 74132 transitions. [2021-08-25 21:46:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 21:46:37,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-08-25 21:46:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:37,809 INFO L225 Difference]: With dead ends: 65677 [2021-08-25 21:46:37,809 INFO L226 Difference]: Without dead ends: 41065 [2021-08-25 21:46:37,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41065 states. [2021-08-25 21:46:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41065 to 26455. [2021-08-25 21:46:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26455 states, 26454 states have (on average 1.1225523550313752) internal successors, (29696), 26454 states have internal predecessors, (29696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26455 states to 26455 states and 29696 transitions. [2021-08-25 21:46:38,346 INFO L78 Accepts]: Start accepts. Automaton has 26455 states and 29696 transitions. Word has length 338 [2021-08-25 21:46:38,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:38,347 INFO L470 AbstractCegarLoop]: Abstraction has 26455 states and 29696 transitions. [2021-08-25 21:46:38,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 26455 states and 29696 transitions. [2021-08-25 21:46:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-08-25 21:46:38,357 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:38,357 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:38,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 21:46:38,358 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:38,358 INFO L82 PathProgramCache]: Analyzing trace with hash -126252397, now seen corresponding path program 1 times [2021-08-25 21:46:38,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:38,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3952574] [2021-08-25 21:46:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:38,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:38,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:38,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3952574] [2021-08-25 21:46:38,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3952574] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:38,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:38,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:38,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067753859] [2021-08-25 21:46:38,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:38,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:38,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:38,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:38,464 INFO L87 Difference]: Start difference. First operand 26455 states and 29696 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:39,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:39,361 INFO L93 Difference]: Finished difference Result 51243 states and 57484 transitions. [2021-08-25 21:46:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:39,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 342 [2021-08-25 21:46:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:39,392 INFO L225 Difference]: With dead ends: 51243 [2021-08-25 21:46:39,392 INFO L226 Difference]: Without dead ends: 25158 [2021-08-25 21:46:39,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25158 states. [2021-08-25 21:46:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25158 to 23685. [2021-08-25 21:46:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23685 states, 23684 states have (on average 1.1083009626752238) internal successors, (26249), 23684 states have internal predecessors, (26249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23685 states to 23685 states and 26249 transitions. [2021-08-25 21:46:39,705 INFO L78 Accepts]: Start accepts. Automaton has 23685 states and 26249 transitions. Word has length 342 [2021-08-25 21:46:39,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:39,706 INFO L470 AbstractCegarLoop]: Abstraction has 23685 states and 26249 transitions. [2021-08-25 21:46:39,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 23685 states and 26249 transitions. [2021-08-25 21:46:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-08-25 21:46:39,715 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:39,715 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:39,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 21:46:39,716 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:39,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1461205337, now seen corresponding path program 1 times [2021-08-25 21:46:39,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:39,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691049267] [2021-08-25 21:46:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:39,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-08-25 21:46:39,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:39,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691049267] [2021-08-25 21:46:39,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691049267] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:39,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:39,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:46:39,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335785534] [2021-08-25 21:46:39,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:39,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:39,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:39,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:39,833 INFO L87 Difference]: Start difference. First operand 23685 states and 26249 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:41,261 INFO L93 Difference]: Finished difference Result 51981 states and 57582 transitions. [2021-08-25 21:46:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:41,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 351 [2021-08-25 21:46:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:41,298 INFO L225 Difference]: With dead ends: 51981 [2021-08-25 21:46:41,298 INFO L226 Difference]: Without dead ends: 32551 [2021-08-25 21:46:41,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:41,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32551 states. [2021-08-25 21:46:41,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32551 to 31813. [2021-08-25 21:46:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31813 states, 31812 states have (on average 1.1055262165220672) internal successors, (35169), 31812 states have internal predecessors, (35169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31813 states to 31813 states and 35169 transitions. [2021-08-25 21:46:41,660 INFO L78 Accepts]: Start accepts. Automaton has 31813 states and 35169 transitions. Word has length 351 [2021-08-25 21:46:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:41,660 INFO L470 AbstractCegarLoop]: Abstraction has 31813 states and 35169 transitions. [2021-08-25 21:46:41,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 31813 states and 35169 transitions. [2021-08-25 21:46:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-08-25 21:46:41,674 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:41,674 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:41,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 21:46:41,675 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:41,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1330285845, now seen corresponding path program 1 times [2021-08-25 21:46:41,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:41,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13557316] [2021-08-25 21:46:41,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:41,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 177 proven. 137 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:41,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:41,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13557316] [2021-08-25 21:46:41,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13557316] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:41,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994090304] [2021-08-25 21:46:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:41,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:41,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:41,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 21:46:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:42,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:46:42,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2021-08-25 21:46:43,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994090304] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:43,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:46:43,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 21:46:43,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003570318] [2021-08-25 21:46:43,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:43,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:43,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:43,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:43,132 INFO L87 Difference]: Start difference. First operand 31813 states and 35169 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:43,800 INFO L93 Difference]: Finished difference Result 58815 states and 65112 transitions. [2021-08-25 21:46:43,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:43,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 393 [2021-08-25 21:46:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:43,832 INFO L225 Difference]: With dead ends: 58815 [2021-08-25 21:46:43,832 INFO L226 Difference]: Without dead ends: 31257 [2021-08-25 21:46:43,853 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31257 states. [2021-08-25 21:46:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31257 to 30704. [2021-08-25 21:46:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30704 states, 30703 states have (on average 1.1011627528254568) internal successors, (33809), 30703 states have internal predecessors, (33809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30704 states to 30704 states and 33809 transitions. [2021-08-25 21:46:44,270 INFO L78 Accepts]: Start accepts. Automaton has 30704 states and 33809 transitions. Word has length 393 [2021-08-25 21:46:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:44,270 INFO L470 AbstractCegarLoop]: Abstraction has 30704 states and 33809 transitions. [2021-08-25 21:46:44,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 30704 states and 33809 transitions. [2021-08-25 21:46:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-08-25 21:46:44,283 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:44,284 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:44,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:44,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-25 21:46:44,486 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:44,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1559812086, now seen corresponding path program 1 times [2021-08-25 21:46:44,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:44,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588889584] [2021-08-25 21:46:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:44,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-25 21:46:44,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:44,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588889584] [2021-08-25 21:46:44,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588889584] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:44,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:44,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:44,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329208634] [2021-08-25 21:46:44,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:44,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:44,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:44,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:44,635 INFO L87 Difference]: Start difference. First operand 30704 states and 33809 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:45,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:45,192 INFO L93 Difference]: Finished difference Result 55285 states and 60823 transitions. [2021-08-25 21:46:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:45,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 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 416 [2021-08-25 21:46:45,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:45,220 INFO L225 Difference]: With dead ends: 55285 [2021-08-25 21:46:45,221 INFO L226 Difference]: Without dead ends: 27165 [2021-08-25 21:46:45,239 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27165 states. [2021-08-25 21:46:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27165 to 24933. [2021-08-25 21:46:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24933 states, 24932 states have (on average 1.0950986683779882) internal successors, (27303), 24932 states have internal predecessors, (27303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24933 states to 24933 states and 27303 transitions. [2021-08-25 21:46:45,642 INFO L78 Accepts]: Start accepts. Automaton has 24933 states and 27303 transitions. Word has length 416 [2021-08-25 21:46:45,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:45,642 INFO L470 AbstractCegarLoop]: Abstraction has 24933 states and 27303 transitions. [2021-08-25 21:46:45,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 24933 states and 27303 transitions. [2021-08-25 21:46:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-08-25 21:46:45,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:45,655 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:45,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 21:46:45,655 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:45,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:45,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1403571918, now seen corresponding path program 1 times [2021-08-25 21:46:45,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:45,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462492637] [2021-08-25 21:46:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:45,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 189 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:46,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:46,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462492637] [2021-08-25 21:46:46,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462492637] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:46,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123130436] [2021-08-25 21:46:46,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:46,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:46,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:46,177 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:46,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 21:46:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:46,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 21:46:46,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:48,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123130436] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:48,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:46:48,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-08-25 21:46:48,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721359927] [2021-08-25 21:46:48,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:48,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:48,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:48,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:46:48,040 INFO L87 Difference]: Start difference. First operand 24933 states and 27303 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:48,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:48,715 INFO L93 Difference]: Finished difference Result 51166 states and 56089 transitions. [2021-08-25 21:46:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:48,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 440 [2021-08-25 21:46:48,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:48,752 INFO L225 Difference]: With dead ends: 51166 [2021-08-25 21:46:48,752 INFO L226 Difference]: Without dead ends: 28266 [2021-08-25 21:46:48,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 79.9ms TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:46:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28266 states. [2021-08-25 21:46:49,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28266 to 26971. [2021-08-25 21:46:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26971 states, 26970 states have (on average 1.0886169818316649) internal successors, (29360), 26970 states have internal predecessors, (29360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26971 states to 26971 states and 29360 transitions. [2021-08-25 21:46:49,082 INFO L78 Accepts]: Start accepts. Automaton has 26971 states and 29360 transitions. Word has length 440 [2021-08-25 21:46:49,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:49,082 INFO L470 AbstractCegarLoop]: Abstraction has 26971 states and 29360 transitions. [2021-08-25 21:46:49,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 26971 states and 29360 transitions. [2021-08-25 21:46:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-08-25 21:46:49,099 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:49,099 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:49,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:49,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:49,301 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:49,302 INFO L82 PathProgramCache]: Analyzing trace with hash -679450827, now seen corresponding path program 1 times [2021-08-25 21:46:49,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:49,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099880490] [2021-08-25 21:46:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:49,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-08-25 21:46:49,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:49,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099880490] [2021-08-25 21:46:49,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099880490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:49,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:49,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:49,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044158892] [2021-08-25 21:46:49,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:49,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:49,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:49,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:49,461 INFO L87 Difference]: Start difference. First operand 26971 states and 29360 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:50,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:50,283 INFO L93 Difference]: Finished difference Result 53004 states and 57743 transitions. [2021-08-25 21:46:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:50,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 441 [2021-08-25 21:46:50,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:50,312 INFO L225 Difference]: With dead ends: 53004 [2021-08-25 21:46:50,313 INFO L226 Difference]: Without dead ends: 28988 [2021-08-25 21:46:50,328 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:50,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28988 states. [2021-08-25 21:46:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28988 to 20144. [2021-08-25 21:46:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20144 states, 20143 states have (on average 1.0923397706399245) internal successors, (22003), 20143 states have internal predecessors, (22003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20144 states to 20144 states and 22003 transitions. [2021-08-25 21:46:50,549 INFO L78 Accepts]: Start accepts. Automaton has 20144 states and 22003 transitions. Word has length 441 [2021-08-25 21:46:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:50,550 INFO L470 AbstractCegarLoop]: Abstraction has 20144 states and 22003 transitions. [2021-08-25 21:46:50,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 20144 states and 22003 transitions. [2021-08-25 21:46:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-08-25 21:46:50,569 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:50,569 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:50,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 21:46:50,570 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:50,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1008492538, now seen corresponding path program 1 times [2021-08-25 21:46:50,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:50,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143390677] [2021-08-25 21:46:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:50,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-08-25 21:46:50,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:50,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143390677] [2021-08-25 21:46:50,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143390677] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:50,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:50,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:50,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098750065] [2021-08-25 21:46:50,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:50,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:50,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:50,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:50,732 INFO L87 Difference]: Start difference. First operand 20144 states and 22003 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:51,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:51,445 INFO L93 Difference]: Finished difference Result 42124 states and 46061 transitions. [2021-08-25 21:46:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:51,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 489 [2021-08-25 21:46:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:51,477 INFO L225 Difference]: With dead ends: 42124 [2021-08-25 21:46:51,478 INFO L226 Difference]: Without dead ends: 22720 [2021-08-25 21:46:51,491 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22720 states. [2021-08-25 21:46:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22720 to 19758. [2021-08-25 21:46:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19758 states, 19757 states have (on average 1.0859948372728654) internal successors, (21456), 19757 states have internal predecessors, (21456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19758 states to 19758 states and 21456 transitions. [2021-08-25 21:46:51,673 INFO L78 Accepts]: Start accepts. Automaton has 19758 states and 21456 transitions. Word has length 489 [2021-08-25 21:46:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:51,673 INFO L470 AbstractCegarLoop]: Abstraction has 19758 states and 21456 transitions. [2021-08-25 21:46:51,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 19758 states and 21456 transitions. [2021-08-25 21:46:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-08-25 21:46:51,691 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:51,691 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:51,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 21:46:51,692 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:51,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:51,692 INFO L82 PathProgramCache]: Analyzing trace with hash -238057672, now seen corresponding path program 1 times [2021-08-25 21:46:51,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:51,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370355547] [2021-08-25 21:46:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:51,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 538 proven. 8 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-25 21:46:52,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:52,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370355547] [2021-08-25 21:46:52,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370355547] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:52,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309513238] [2021-08-25 21:46:52,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:52,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:52,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:52,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:52,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 21:46:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:52,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:46:52,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-08-25 21:46:54,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309513238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:54,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:46:54,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 21:46:54,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955872159] [2021-08-25 21:46:54,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:54,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:46:54,204 INFO L87 Difference]: Start difference. First operand 19758 states and 21456 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:54,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:54,881 INFO L93 Difference]: Finished difference Result 39155 states and 42626 transitions. [2021-08-25 21:46:54,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:54,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 499 [2021-08-25 21:46:54,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:54,901 INFO L225 Difference]: With dead ends: 39155 [2021-08-25 21:46:54,902 INFO L226 Difference]: Without dead ends: 21798 [2021-08-25 21:46:54,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 63.5ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:46:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21798 states. [2021-08-25 21:46:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21798 to 20130. [2021-08-25 21:46:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20130 states, 20129 states have (on average 1.086492125788663) internal successors, (21870), 20129 states have internal predecessors, (21870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20130 states to 20130 states and 21870 transitions. [2021-08-25 21:46:55,134 INFO L78 Accepts]: Start accepts. Automaton has 20130 states and 21870 transitions. Word has length 499 [2021-08-25 21:46:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:55,134 INFO L470 AbstractCegarLoop]: Abstraction has 20130 states and 21870 transitions. [2021-08-25 21:46:55,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20130 states and 21870 transitions. [2021-08-25 21:46:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-08-25 21:46:55,152 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:55,152 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:46:55,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-25 21:46:55,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:55,373 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:55,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:55,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1881077606, now seen corresponding path program 1 times [2021-08-25 21:46:55,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:55,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776067816] [2021-08-25 21:46:55,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:55,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-08-25 21:46:55,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:55,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776067816] [2021-08-25 21:46:55,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776067816] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:55,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:55,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:55,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382264469] [2021-08-25 21:46:55,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:55,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:55,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:55,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:55,546 INFO L87 Difference]: Start difference. First operand 20130 states and 21870 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:56,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:56,344 INFO L93 Difference]: Finished difference Result 40621 states and 44111 transitions. [2021-08-25 21:46:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:56,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 500 [2021-08-25 21:46:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:56,366 INFO L225 Difference]: With dead ends: 40621 [2021-08-25 21:46:56,366 INFO L226 Difference]: Without dead ends: 21231 [2021-08-25 21:46:56,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21231 states. [2021-08-25 21:46:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21231 to 14413. [2021-08-25 21:46:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14413 states, 14412 states have (on average 1.0846516791562586) internal successors, (15632), 14412 states have internal predecessors, (15632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14413 states to 14413 states and 15632 transitions. [2021-08-25 21:46:56,589 INFO L78 Accepts]: Start accepts. Automaton has 14413 states and 15632 transitions. Word has length 500 [2021-08-25 21:46:56,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:56,590 INFO L470 AbstractCegarLoop]: Abstraction has 14413 states and 15632 transitions. [2021-08-25 21:46:56,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 14413 states and 15632 transitions. [2021-08-25 21:46:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-08-25 21:46:56,599 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:56,600 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:56,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 21:46:56,600 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:56,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1786507327, now seen corresponding path program 1 times [2021-08-25 21:46:56,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:56,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196894022] [2021-08-25 21:46:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:56,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 321 proven. 493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:57,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:57,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196894022] [2021-08-25 21:46:57,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196894022] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:57,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288573909] [2021-08-25 21:46:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:57,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:57,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:57,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 21:46:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:57,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:46:57,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-08-25 21:46:59,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288573909] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:59,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:46:59,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-08-25 21:46:59,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238374683] [2021-08-25 21:46:59,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:59,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:46:59,374 INFO L87 Difference]: Start difference. First operand 14413 states and 15632 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:59,948 INFO L93 Difference]: Finished difference Result 28090 states and 30393 transitions. [2021-08-25 21:46:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:59,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 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 570 [2021-08-25 21:46:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:59,949 INFO L225 Difference]: With dead ends: 28090 [2021-08-25 21:46:59,949 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:46:59,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 78.4ms TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:46:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:46:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:46:59,959 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) [2021-08-25 21:46:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:46:59,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 570 [2021-08-25 21:46:59,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:59,959 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:46:59,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:46:59,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:46:59,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:46:59,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-25 21:47:00,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-25 21:47:00,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:47:00,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:01,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:01,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:04,309 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:04,309 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,309 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,310 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,311 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:04,312 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,313 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,314 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= 246 ~a29~0)) (.cse12 (<= ~a29~0 277)) (.cse15 (<= ~a29~0 220)) (.cse11 (<= ~a29~0 245)) (.cse7 (<= 141 ~a29~0)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse4 (= ~a25~0 13)) (.cse8 (<= ~a23~0 599999)) (.cse16 (< 306 ~a23~0)) (.cse6 (<= ~a25~0 10)) (.cse13 (<= ~a4~0 0)) (.cse14 (<= ~a23~0 137)) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 260 ~a29~0) .cse1 .cse5 .cse2) (and .cse6 .cse7 .cse1 .cse2) (and .cse8 .cse1 (let ((.cse10 (<= ~a29~0 130))) (or (and .cse9 .cse10) (and .cse0 .cse10))) .cse2) (and .cse9 .cse8 .cse11 .cse7 .cse1 .cse2) (and .cse9 .cse12 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse13 .cse14) (and .cse8 .cse0 .cse7 .cse1 .cse2) (and .cse12 .cse0 .cse5 .cse2 .cse3 .cse13) (and .cse9 .cse1 .cse5 .cse2) (and .cse9 .cse12 .cse2 .cse13) (and .cse8 .cse6 .cse15 .cse2 .cse13) (and .cse8 .cse6 .cse16 .cse1 .cse2) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse15 .cse1 .cse5 .cse2) (and .cse4 .cse2 .cse13 .cse14) (and .cse4 .cse11 .cse7 .cse1 .cse2) (and .cse0 .cse1 .cse14) (and .cse2 (or (and .cse4 .cse1 .cse14) (and .cse1 (<= (+ 127600 ~a23~0) 0)) (and .cse6 .cse1 .cse14))) (and .cse9 .cse2 .cse13 .cse14) (and .cse4 .cse8 .cse16 .cse1 .cse2) (and .cse6 .cse2 .cse13 .cse14) (and (= ~a25~0 9) .cse1 .cse5 .cse2))) [2021-08-25 21:47:04,314 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,314 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:04,314 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:04,314 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,314 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:47:04,315 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,316 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,317 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:47:04,318 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= 246 ~a29~0)) (.cse12 (<= ~a29~0 277)) (.cse15 (<= ~a29~0 220)) (.cse11 (<= ~a29~0 245)) (.cse7 (<= 141 ~a29~0)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse4 (= ~a25~0 13)) (.cse8 (<= ~a23~0 599999)) (.cse16 (< 306 ~a23~0)) (.cse6 (<= ~a25~0 10)) (.cse13 (<= ~a4~0 0)) (.cse14 (<= ~a23~0 137)) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 260 ~a29~0) .cse1 .cse5 .cse2) (and .cse6 .cse7 .cse1 .cse2) (and .cse8 .cse1 (let ((.cse10 (<= ~a29~0 130))) (or (and .cse9 .cse10) (and .cse0 .cse10))) .cse2) (and .cse9 .cse8 .cse11 .cse7 .cse1 .cse2) (and .cse9 .cse12 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse13 .cse14) (and .cse8 .cse0 .cse7 .cse1 .cse2) (and .cse12 .cse0 .cse5 .cse2 .cse3 .cse13) (and .cse9 .cse1 .cse5 .cse2) (and .cse9 .cse12 .cse2 .cse13) (and .cse8 .cse6 .cse15 .cse2 .cse13) (and .cse8 .cse6 .cse16 .cse1 .cse2) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse15 .cse1 .cse5 .cse2) (and .cse4 .cse2 .cse13 .cse14) (and .cse4 .cse11 .cse7 .cse1 .cse2) (and .cse0 .cse1 .cse14) (and .cse2 (or (and .cse4 .cse1 .cse14) (and .cse1 (<= (+ 127600 ~a23~0) 0)) (and .cse6 .cse1 .cse14))) (and .cse9 .cse2 .cse13 .cse14) (and .cse4 .cse8 .cse16 .cse1 .cse2) (and .cse6 .cse2 .cse13 .cse14) (and (= ~a25~0 9) .cse1 .cse5 .cse2))) [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,319 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:04,320 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,321 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:47:04,322 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:47:04,323 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:04,324 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:04,325 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2021-08-25 21:47:04,326 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:47:04,327 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,328 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,329 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,330 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,331 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:47:04,332 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,333 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:47:04,334 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,335 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:04,336 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:47:04,337 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,338 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:04,339 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,340 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,341 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:47:04,342 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:47:04,343 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,344 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:47:04,345 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:47:04,349 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:47:04,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:47:04 BoogieIcfgContainer [2021-08-25 21:47:04,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:47:04,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:47:04,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:47:04,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:47:04,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:15" (3/4) ... [2021-08-25 21:47:04,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:47:04,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:47:04,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:47:04,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:04,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:04,520 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:47:04,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:47:04,522 INFO L168 Benchmark]: Toolchain (without parser) took 51473.90 ms. Allocated memory was 60.8 MB in the beginning and 6.6 GB in the end (delta: 6.5 GB). Free memory was 42.4 MB in the beginning and 5.8 GB in the end (delta: -5.8 GB). Peak memory consumption was 729.7 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,522 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 46.1 MB. Free memory was 28.7 MB in the beginning and 28.7 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:47:04,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.97 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 26.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.19 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.7 MB in the beginning and 50.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,523 INFO L168 Benchmark]: Boogie Preprocessor took 109.20 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 41.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,523 INFO L168 Benchmark]: RCFGBuilder took 1473.16 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 41.3 MB in the beginning and 60.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,523 INFO L168 Benchmark]: TraceAbstraction took 48879.97 ms. Allocated memory was 127.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 59.9 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 4.5 GB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,524 INFO L168 Benchmark]: Witness Printer took 131.18 ms. Allocated memory is still 6.6 GB. Free memory was 5.9 GB in the beginning and 5.8 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:04,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 46.1 MB. Free memory was 28.7 MB in the beginning and 28.7 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.97 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 26.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 152.19 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.7 MB in the beginning and 50.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.20 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 41.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1473.16 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 41.3 MB in the beginning and 60.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48879.97 ms. Allocated memory was 127.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 59.9 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 4.5 GB. Max. memory is 16.1 GB. * Witness Printer took 131.18 ms. Allocated memory is still 6.6 GB. Free memory was 5.9 GB in the beginning and 5.8 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 148]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48788.2ms, OverallIterations: 25, TraceHistogramMax: 5, EmptinessCheckTime: 224.3ms, AutomataDifference: 24010.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4145.8ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5403 SDtfs, 4692 SDslu, 743 SDs, 0 SdLazy, 17736 SolverSat, 2464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15818.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2236 GetRequests, 2183 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 311.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=31813occurred in iteration=17, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5001.2ms AutomataMinimizationTime, 25 MinimizatonAttempts, 48848 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 173 NumberOfFragments, 733 HoareAnnotationTreeSize, 3 FomulaSimplifications, 221606 FormulaSimplificationTreeSizeReduction, 1715.7ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 100260 FormulaSimplificationTreeSizeReductionInter, 2416.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 391.0ms SsaConstructionTime, 1227.6ms SatisfiabilityAnalysisTime, 10385.1ms InterpolantComputationTime, 10078 NumberOfCodeBlocks, 10078 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 10048 ConstructedInterpolants, 0 QuantifiedInterpolants, 34713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2949 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 9819/10862 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 == 11 && a4 == 1) && a8 == 15) && 246 <= a29) || ((((a25 == 13 && 260 <= a29) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 <= 10 && 141 <= a29) && a4 == 1) && a8 == 15)) || (((a23 <= 599999 && a4 == 1) && ((a25 == 12 && a29 <= 130) || (a25 == 11 && a29 <= 130))) && a8 == 15)) || (((((a25 == 12 && a23 <= 599999) && a29 <= 245) && 141 <= a29) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a29 <= 277) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((a25 == 11 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a23 <= 599999 && a25 == 11) && 141 <= a29) && a4 == 1) && a8 == 15)) || (((((a29 <= 277 && a25 == 11) && a23 <= 312) && a8 == 15) && 246 <= a29) && a4 <= 0)) || (((a25 == 12 && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 == 12 && a29 <= 277) && a8 == 15) && a4 <= 0)) || ((((a23 <= 599999 && a25 <= 10) && a29 <= 220) && a8 == 15) && a4 <= 0)) || ((((a23 <= 599999 && a25 <= 10) && 306 < a23) && a4 == 1) && a8 == 15)) || (((a25 == 11 && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((a25 == 13 && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 == 13 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a25 == 13 && a29 <= 245) && 141 <= a29) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (a8 == 15 && ((((a25 == 13 && a4 == 1) && a23 <= 137) || (a4 == 1 && 127600 + a23 <= 0)) || ((a25 <= 10 && a4 == 1) && a23 <= 137)))) || (((a25 == 12 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a25 == 13 && a23 <= 599999) && 306 < a23) && a4 == 1) && a8 == 15)) || (((a25 <= 10 && a8 == 15) && a4 <= 0) && a23 <= 137)) || (((a25 == 9 && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 == 11 && a4 == 1) && a8 == 15) && 246 <= a29) || ((((a25 == 13 && 260 <= a29) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 <= 10 && 141 <= a29) && a4 == 1) && a8 == 15)) || (((a23 <= 599999 && a4 == 1) && ((a25 == 12 && a29 <= 130) || (a25 == 11 && a29 <= 130))) && a8 == 15)) || (((((a25 == 12 && a23 <= 599999) && a29 <= 245) && 141 <= a29) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a29 <= 277) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((a25 == 11 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a23 <= 599999 && a25 == 11) && 141 <= a29) && a4 == 1) && a8 == 15)) || (((((a29 <= 277 && a25 == 11) && a23 <= 312) && a8 == 15) && 246 <= a29) && a4 <= 0)) || (((a25 == 12 && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 == 12 && a29 <= 277) && a8 == 15) && a4 <= 0)) || ((((a23 <= 599999 && a25 <= 10) && a29 <= 220) && a8 == 15) && a4 <= 0)) || ((((a23 <= 599999 && a25 <= 10) && 306 < a23) && a4 == 1) && a8 == 15)) || (((a25 == 11 && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((a25 == 13 && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((a25 == 13 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a25 == 13 && a29 <= 245) && 141 <= a29) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (a8 == 15 && ((((a25 == 13 && a4 == 1) && a23 <= 137) || (a4 == 1 && 127600 + a23 <= 0)) || ((a25 <= 10 && a4 == 1) && a23 <= 137)))) || (((a25 == 12 && a8 == 15) && a4 <= 0) && a23 <= 137)) || ((((a25 == 13 && a23 <= 599999) && 306 < a23) && a4 == 1) && a8 == 15)) || (((a25 <= 10 && a8 == 15) && a4 <= 0) && a23 <= 137)) || (((a25 == 9 && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:47:04,549 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...