./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label22.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/Problem17_label22.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 15542ede3930d4578007ec68dbf58ed30491d32b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:46:03,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:46:03,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:46:03,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:46:03,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:46:03,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:46:03,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:46:03,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:46:03,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:46:03,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:46:03,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:46:03,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:46:03,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:46:03,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:46:03,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:46:03,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:46:03,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:46:03,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:46:03,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:46:03,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:46:03,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:46:03,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:46:03,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:46:03,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:46:03,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:46:03,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:46:03,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:46:03,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:46:03,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:46:03,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:46:03,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:46:03,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:46:03,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:46:03,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:46:03,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:46:03,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:46:03,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:46:03,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:46:03,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:46:03,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:46:03,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:46:03,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:46:03,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:46:03,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:46:03,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:46:03,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:46:03,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:46:03,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:46:03,148 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:46:03,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:46:03,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:46:03,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:46:03,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:46:03,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:46:03,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:46:03,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:46:03,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:46:03,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:46:03,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:46:03,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:46:03,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:46:03,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15542ede3930d4578007ec68dbf58ed30491d32b [2021-08-25 22:46:03,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:46:03,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:46:03,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:46:03,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:46:03,429 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:46:03,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-08-25 22:46:03,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b549a1a8/60aae9fb237c435aab54508201e27fd8/FLAG394dba569 [2021-08-25 22:46:04,025 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:46:04,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-08-25 22:46:04,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b549a1a8/60aae9fb237c435aab54508201e27fd8/FLAG394dba569 [2021-08-25 22:46:04,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b549a1a8/60aae9fb237c435aab54508201e27fd8 [2021-08-25 22:46:04,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:46:04,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:46:04,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:46:04,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:46:04,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:46:04,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:46:04" (1/1) ... [2021-08-25 22:46:04,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fce233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:04, skipping insertion in model container [2021-08-25 22:46:04,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:46:04" (1/1) ... [2021-08-25 22:46:04,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:46:04,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:46:04,768 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/Problem17_label22.c[7589,7602] [2021-08-25 22:46:05,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:46:05,113 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:46:05,136 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/Problem17_label22.c[7589,7602] [2021-08-25 22:46:05,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:46:05,369 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:46:05,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05 WrapperNode [2021-08-25 22:46:05,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:46:05,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:46:05,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:46:05,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:46:05,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:46:05,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:46:05,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:46:05,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:46:05,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:46:05,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:46:05,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:46:05,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:46:05,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (1/1) ... [2021-08-25 22:46:05,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:46:05,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:46:06,003 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 22:46:06,027 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 22:46:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:46:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:46:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:46:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:46:08,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:46:08,912 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:46:08,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:46:08 BoogieIcfgContainer [2021-08-25 22:46:08,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:46:08,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:46:08,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:46:08,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:46:08,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:46:04" (1/3) ... [2021-08-25 22:46:08,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc2eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:46:08, skipping insertion in model container [2021-08-25 22:46:08,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:46:05" (2/3) ... [2021-08-25 22:46:08,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc2eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:46:08, skipping insertion in model container [2021-08-25 22:46:08,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:46:08" (3/3) ... [2021-08-25 22:46:08,920 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem17_label22.c [2021-08-25 22:46:08,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:46:08,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:46:08,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:46:08,964 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 22:46:08,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:46:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 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 22:46:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-25 22:46:08,986 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:08,986 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:08,987 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:08,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-08-25 22:46:08,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:08,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084154043] [2021-08-25 22:46:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:08,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:09,168 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 22:46:09,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:09,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084154043] [2021-08-25 22:46:09,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084154043] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:09,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:09,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:46:09,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963417242] [2021-08-25 22:46:09,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:09,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:09,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:09,200 INFO L87 Difference]: Start difference. First operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 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 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 22:46:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:11,700 INFO L93 Difference]: Finished difference Result 1667 states and 3061 transitions. [2021-08-25 22:46:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:11,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-08-25 22:46:11,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:11,713 INFO L225 Difference]: With dead ends: 1667 [2021-08-25 22:46:11,713 INFO L226 Difference]: Without dead ends: 998 [2021-08-25 22:46:11,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:11,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2021-08-25 22:46:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 982. [2021-08-25 22:46:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 981 states have (on average 1.707441386340469) internal successors, (1675), 981 states have internal predecessors, (1675), 0 states have call successors, (0), 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 22:46:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1675 transitions. [2021-08-25 22:46:11,780 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1675 transitions. Word has length 51 [2021-08-25 22:46:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:11,780 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1675 transitions. [2021-08-25 22:46:11,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 22:46:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1675 transitions. [2021-08-25 22:46:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-08-25 22:46:11,783 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:11,783 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, 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] [2021-08-25 22:46:11,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:46:11,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:11,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:11,785 INFO L82 PathProgramCache]: Analyzing trace with hash 857069701, now seen corresponding path program 1 times [2021-08-25 22:46:11,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:11,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615013869] [2021-08-25 22:46:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:11,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:46:11,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:11,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615013869] [2021-08-25 22:46:11,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615013869] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:11,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:11,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:46:11,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000594247] [2021-08-25 22:46:11,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:11,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:11,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:11,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:11,921 INFO L87 Difference]: Start difference. First operand 982 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:13,962 INFO L93 Difference]: Finished difference Result 2841 states and 4881 transitions. [2021-08-25 22:46:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:13,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-08-25 22:46:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:13,969 INFO L225 Difference]: With dead ends: 2841 [2021-08-25 22:46:13,969 INFO L226 Difference]: Without dead ends: 1861 [2021-08-25 22:46:13,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:13,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2021-08-25 22:46:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1857. [2021-08-25 22:46:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1856 states have (on average 1.4547413793103448) internal successors, (2700), 1856 states have internal predecessors, (2700), 0 states have call successors, (0), 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 22:46:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2700 transitions. [2021-08-25 22:46:14,016 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2700 transitions. Word has length 116 [2021-08-25 22:46:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:14,018 INFO L470 AbstractCegarLoop]: Abstraction has 1857 states and 2700 transitions. [2021-08-25 22:46:14,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2700 transitions. [2021-08-25 22:46:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-08-25 22:46:14,025 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:14,025 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, 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] [2021-08-25 22:46:14,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:46:14,026 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:14,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:14,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1183690640, now seen corresponding path program 1 times [2021-08-25 22:46:14,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:14,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224592669] [2021-08-25 22:46:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:14,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:46:14,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:14,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224592669] [2021-08-25 22:46:14,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224592669] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:14,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:14,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:46:14,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48703141] [2021-08-25 22:46:14,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:14,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:14,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:14,191 INFO L87 Difference]: Start difference. First operand 1857 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 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 22:46:16,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:16,541 INFO L93 Difference]: Finished difference Result 4591 states and 6640 transitions. [2021-08-25 22:46:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:16,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2021-08-25 22:46:16,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:16,549 INFO L225 Difference]: With dead ends: 4591 [2021-08-25 22:46:16,549 INFO L226 Difference]: Without dead ends: 2736 [2021-08-25 22:46:16,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2021-08-25 22:46:16,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2716. [2021-08-25 22:46:16,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2715 states have (on average 1.390791896869245) internal successors, (3776), 2715 states have internal predecessors, (3776), 0 states have call successors, (0), 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 22:46:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3776 transitions. [2021-08-25 22:46:16,582 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3776 transitions. Word has length 156 [2021-08-25 22:46:16,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:16,582 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 3776 transitions. [2021-08-25 22:46:16,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 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 22:46:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3776 transitions. [2021-08-25 22:46:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-08-25 22:46:16,584 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:16,584 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, 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] [2021-08-25 22:46:16,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:46:16,585 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:16,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1073477439, now seen corresponding path program 1 times [2021-08-25 22:46:16,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:16,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570577953] [2021-08-25 22:46:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:16,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:46:16,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:16,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570577953] [2021-08-25 22:46:16,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570577953] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:16,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:16,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:16,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420246882] [2021-08-25 22:46:16,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:46:16,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:46:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:46:16,680 INFO L87 Difference]: Start difference. First operand 2716 states and 3776 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 22:46:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:18,531 INFO L93 Difference]: Finished difference Result 5012 states and 6951 transitions. [2021-08-25 22:46:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:46:18,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2021-08-25 22:46:18,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:18,538 INFO L225 Difference]: With dead ends: 5012 [2021-08-25 22:46:18,538 INFO L226 Difference]: Without dead ends: 2298 [2021-08-25 22:46:18,541 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:46:18,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-08-25 22:46:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2282. [2021-08-25 22:46:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 2281 states have (on average 1.3726435773783427) internal successors, (3131), 2281 states have internal predecessors, (3131), 0 states have call successors, (0), 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 22:46:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3131 transitions. [2021-08-25 22:46:18,568 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3131 transitions. Word has length 162 [2021-08-25 22:46:18,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:18,569 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 3131 transitions. [2021-08-25 22:46:18,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 22:46:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3131 transitions. [2021-08-25 22:46:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-08-25 22:46:18,570 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:18,571 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, 3, 3, 3, 3, 3, 3, 3, 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 22:46:18,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:46:18,571 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:18,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1887487218, now seen corresponding path program 1 times [2021-08-25 22:46:18,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:18,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247416927] [2021-08-25 22:46:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:18,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-25 22:46:18,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:18,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247416927] [2021-08-25 22:46:18,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247416927] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:18,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:18,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:46:18,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473234205] [2021-08-25 22:46:18,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:18,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:18,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:18,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:18,656 INFO L87 Difference]: Start difference. First operand 2282 states and 3131 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:20,287 INFO L93 Difference]: Finished difference Result 5850 states and 8323 transitions. [2021-08-25 22:46:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:20,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2021-08-25 22:46:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:20,297 INFO L225 Difference]: With dead ends: 5850 [2021-08-25 22:46:20,297 INFO L226 Difference]: Without dead ends: 3995 [2021-08-25 22:46:20,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2021-08-25 22:46:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3142. [2021-08-25 22:46:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 3141 states have (on average 1.274434893346068) internal successors, (4003), 3141 states have internal predecessors, (4003), 0 states have call successors, (0), 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 22:46:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4003 transitions. [2021-08-25 22:46:20,336 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4003 transitions. Word has length 186 [2021-08-25 22:46:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:20,336 INFO L470 AbstractCegarLoop]: Abstraction has 3142 states and 4003 transitions. [2021-08-25 22:46:20,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4003 transitions. [2021-08-25 22:46:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-08-25 22:46:20,338 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:20,339 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, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:46:20,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:46:20,339 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:20,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:20,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2067055148, now seen corresponding path program 1 times [2021-08-25 22:46:20,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:20,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726322132] [2021-08-25 22:46:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:20,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:46:20,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:20,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726322132] [2021-08-25 22:46:20,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726322132] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:20,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:20,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:20,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861465133] [2021-08-25 22:46:20,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:20,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:20,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:20,403 INFO L87 Difference]: Start difference. First operand 3142 states and 4003 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 22:46:22,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:22,094 INFO L93 Difference]: Finished difference Result 7992 states and 10495 transitions. [2021-08-25 22:46:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:22,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2021-08-25 22:46:22,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:22,107 INFO L225 Difference]: With dead ends: 7992 [2021-08-25 22:46:22,107 INFO L226 Difference]: Without dead ends: 4852 [2021-08-25 22:46:22,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:22,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2021-08-25 22:46:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4852. [2021-08-25 22:46:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4852 states, 4851 states have (on average 1.2665429808286952) internal successors, (6144), 4851 states have internal predecessors, (6144), 0 states have call successors, (0), 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 22:46:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 6144 transitions. [2021-08-25 22:46:22,164 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 6144 transitions. Word has length 199 [2021-08-25 22:46:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:22,164 INFO L470 AbstractCegarLoop]: Abstraction has 4852 states and 6144 transitions. [2021-08-25 22:46:22,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 22:46:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 6144 transitions. [2021-08-25 22:46:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-08-25 22:46:22,166 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:22,166 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:22,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:46:22,167 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:22,167 INFO L82 PathProgramCache]: Analyzing trace with hash -437410109, now seen corresponding path program 1 times [2021-08-25 22:46:22,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:22,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351220375] [2021-08-25 22:46:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:22,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-08-25 22:46:22,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:22,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351220375] [2021-08-25 22:46:22,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351220375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:22,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:22,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:22,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325062096] [2021-08-25 22:46:22,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:22,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:22,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:22,223 INFO L87 Difference]: Start difference. First operand 4852 states and 6144 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:24,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:24,148 INFO L93 Difference]: Finished difference Result 12249 states and 15825 transitions. [2021-08-25 22:46:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:24,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-08-25 22:46:24,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:24,165 INFO L225 Difference]: With dead ends: 12249 [2021-08-25 22:46:24,165 INFO L226 Difference]: Without dead ends: 7399 [2021-08-25 22:46:24,170 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7399 states. [2021-08-25 22:46:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7399 to 4826. [2021-08-25 22:46:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4826 states, 4825 states have (on average 1.2652849740932643) internal successors, (6105), 4825 states have internal predecessors, (6105), 0 states have call successors, (0), 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 22:46:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6105 transitions. [2021-08-25 22:46:24,234 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6105 transitions. Word has length 205 [2021-08-25 22:46:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:24,234 INFO L470 AbstractCegarLoop]: Abstraction has 4826 states and 6105 transitions. [2021-08-25 22:46:24,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:46:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6105 transitions. [2021-08-25 22:46:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-08-25 22:46:24,236 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:24,237 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, 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] [2021-08-25 22:46:24,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:46:24,237 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:24,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:24,237 INFO L82 PathProgramCache]: Analyzing trace with hash 81674799, now seen corresponding path program 1 times [2021-08-25 22:46:24,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:24,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790131575] [2021-08-25 22:46:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:24,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-08-25 22:46:24,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:24,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790131575] [2021-08-25 22:46:24,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790131575] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:24,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375649566] [2021-08-25 22:46:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:24,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:46:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:46:24,340 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 22:46:24,383 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 22:46:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:24,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:46:24,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:46:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-08-25 22:46:24,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375649566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:24,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:46:24,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:46:24,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906068500] [2021-08-25 22:46:24,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:24,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:24,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:24,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:46:24,897 INFO L87 Difference]: Start difference. First operand 4826 states and 6105 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 22:46:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:26,889 INFO L93 Difference]: Finished difference Result 13481 states and 17131 transitions. [2021-08-25 22:46:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:26,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 218 [2021-08-25 22:46:26,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:26,910 INFO L225 Difference]: With dead ends: 13481 [2021-08-25 22:46:26,910 INFO L226 Difference]: Without dead ends: 8657 [2021-08-25 22:46:26,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:46:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8657 states. [2021-08-25 22:46:26,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8657 to 7378. [2021-08-25 22:46:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7378 states, 7377 states have (on average 1.2479327639962043) internal successors, (9206), 7377 states have internal predecessors, (9206), 0 states have call successors, (0), 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 22:46:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7378 states to 7378 states and 9206 transitions. [2021-08-25 22:46:26,994 INFO L78 Accepts]: Start accepts. Automaton has 7378 states and 9206 transitions. Word has length 218 [2021-08-25 22:46:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:26,994 INFO L470 AbstractCegarLoop]: Abstraction has 7378 states and 9206 transitions. [2021-08-25 22:46:26,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 22:46:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7378 states and 9206 transitions. [2021-08-25 22:46:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-08-25 22:46:26,997 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:26,997 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, 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] [2021-08-25 22:46:27,016 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 22:46:27,208 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 22:46:27,209 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:27,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:27,209 INFO L82 PathProgramCache]: Analyzing trace with hash -156050061, now seen corresponding path program 1 times [2021-08-25 22:46:27,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:27,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952461337] [2021-08-25 22:46:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:27,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-08-25 22:46:27,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:27,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952461337] [2021-08-25 22:46:27,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952461337] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:27,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:27,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:27,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32603093] [2021-08-25 22:46:27,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:27,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:27,302 INFO L87 Difference]: Start difference. First operand 7378 states and 9206 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 22:46:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:29,415 INFO L93 Difference]: Finished difference Result 18607 states and 23435 transitions. [2021-08-25 22:46:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:29,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 267 [2021-08-25 22:46:29,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:29,429 INFO L225 Difference]: With dead ends: 18607 [2021-08-25 22:46:29,429 INFO L226 Difference]: Without dead ends: 10379 [2021-08-25 22:46:29,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10379 states. [2021-08-25 22:46:29,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10379 to 10371. [2021-08-25 22:46:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10371 states, 10370 states have (on average 1.2060752169720348) internal successors, (12507), 10370 states have internal predecessors, (12507), 0 states have call successors, (0), 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 22:46:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10371 states to 10371 states and 12507 transitions. [2021-08-25 22:46:29,541 INFO L78 Accepts]: Start accepts. Automaton has 10371 states and 12507 transitions. Word has length 267 [2021-08-25 22:46:29,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:29,541 INFO L470 AbstractCegarLoop]: Abstraction has 10371 states and 12507 transitions. [2021-08-25 22:46:29,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 22:46:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 10371 states and 12507 transitions. [2021-08-25 22:46:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-08-25 22:46:29,545 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:29,545 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:29,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:46:29,545 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:29,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1979500746, now seen corresponding path program 1 times [2021-08-25 22:46:29,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:29,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100863450] [2021-08-25 22:46:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:29,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 236 proven. 70 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-25 22:46:29,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:29,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100863450] [2021-08-25 22:46:29,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100863450] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:29,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863112359] [2021-08-25 22:46:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:29,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:46:29,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:46:29,630 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 22:46:29,631 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 22:46:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:29,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:46:29,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:46:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 236 proven. 70 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-25 22:46:30,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863112359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:30,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:46:30,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-08-25 22:46:30,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931600332] [2021-08-25 22:46:30,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:46:30,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:30,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:46:30,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:46:30,689 INFO L87 Difference]: Start difference. First operand 10371 states and 12507 transitions. Second operand has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 22:46:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:33,556 INFO L93 Difference]: Finished difference Result 26701 states and 32621 transitions. [2021-08-25 22:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:46:33,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 275 [2021-08-25 22:46:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:33,582 INFO L225 Difference]: With dead ends: 26701 [2021-08-25 22:46:33,582 INFO L226 Difference]: Without dead ends: 15482 [2021-08-25 22:46:33,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:46:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15482 states. [2021-08-25 22:46:33,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15482 to 15479. [2021-08-25 22:46:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15479 states, 15478 states have (on average 1.1579661454968342) internal successors, (17923), 15478 states have internal predecessors, (17923), 0 states have call successors, (0), 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 22:46:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15479 states to 15479 states and 17923 transitions. [2021-08-25 22:46:33,737 INFO L78 Accepts]: Start accepts. Automaton has 15479 states and 17923 transitions. Word has length 275 [2021-08-25 22:46:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:33,737 INFO L470 AbstractCegarLoop]: Abstraction has 15479 states and 17923 transitions. [2021-08-25 22:46:33,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 22:46:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 15479 states and 17923 transitions. [2021-08-25 22:46:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-08-25 22:46:33,741 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:33,741 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, 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, 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 22:46:33,760 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 22:46:33,956 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,SelfDestructingSolverStorable9 [2021-08-25 22:46:33,957 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:33,957 INFO L82 PathProgramCache]: Analyzing trace with hash 469797751, now seen corresponding path program 1 times [2021-08-25 22:46:33,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:33,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565363310] [2021-08-25 22:46:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:33,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-25 22:46:34,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:34,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565363310] [2021-08-25 22:46:34,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565363310] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:34,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:34,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:34,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15275032] [2021-08-25 22:46:34,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:34,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:34,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:34,038 INFO L87 Difference]: Start difference. First operand 15479 states and 17923 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 22:46:36,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:36,230 INFO L93 Difference]: Finished difference Result 37775 states and 44215 transitions. [2021-08-25 22:46:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:36,232 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 22:46:36,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:36,263 INFO L225 Difference]: With dead ends: 37775 [2021-08-25 22:46:36,263 INFO L226 Difference]: Without dead ends: 21447 [2021-08-25 22:46:36,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:36,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21447 states. [2021-08-25 22:46:36,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21447 to 15478. [2021-08-25 22:46:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15478 states, 15477 states have (on average 1.1522258835691672) internal successors, (17833), 15477 states have internal predecessors, (17833), 0 states have call successors, (0), 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 22:46:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15478 states to 15478 states and 17833 transitions. [2021-08-25 22:46:36,434 INFO L78 Accepts]: Start accepts. Automaton has 15478 states and 17833 transitions. Word has length 311 [2021-08-25 22:46:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:36,435 INFO L470 AbstractCegarLoop]: Abstraction has 15478 states and 17833 transitions. [2021-08-25 22:46:36,435 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 22:46:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 15478 states and 17833 transitions. [2021-08-25 22:46:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-08-25 22:46:36,440 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:36,440 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:36,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:46:36,440 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash -454388253, now seen corresponding path program 1 times [2021-08-25 22:46:36,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:36,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071674441] [2021-08-25 22:46:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:36,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-08-25 22:46:36,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:36,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071674441] [2021-08-25 22:46:36,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071674441] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:36,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:36,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:36,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617219012] [2021-08-25 22:46:36,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:36,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:36,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:36,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:36,516 INFO L87 Difference]: Start difference. First operand 15478 states and 17833 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 22:46:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:38,402 INFO L93 Difference]: Finished difference Result 35630 states and 41615 transitions. [2021-08-25 22:46:38,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:38,402 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 338 [2021-08-25 22:46:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:38,422 INFO L225 Difference]: With dead ends: 35630 [2021-08-25 22:46:38,422 INFO L226 Difference]: Without dead ends: 19304 [2021-08-25 22:46:38,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19304 states. [2021-08-25 22:46:38,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19304 to 15471. [2021-08-25 22:46:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15471 states, 15470 states have (on average 1.1305106658047834) internal successors, (17489), 15470 states have internal predecessors, (17489), 0 states have call successors, (0), 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 22:46:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15471 states to 15471 states and 17489 transitions. [2021-08-25 22:46:38,571 INFO L78 Accepts]: Start accepts. Automaton has 15471 states and 17489 transitions. Word has length 338 [2021-08-25 22:46:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:38,572 INFO L470 AbstractCegarLoop]: Abstraction has 15471 states and 17489 transitions. [2021-08-25 22:46:38,572 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 22:46:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 15471 states and 17489 transitions. [2021-08-25 22:46:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-08-25 22:46:38,575 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:38,576 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:38,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:46:38,576 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:38,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:38,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1816933079, now seen corresponding path program 2 times [2021-08-25 22:46:38,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:38,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804656136] [2021-08-25 22:46:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:38,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 405 proven. 40 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-08-25 22:46:38,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:38,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804656136] [2021-08-25 22:46:38,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804656136] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:38,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220489642] [2021-08-25 22:46:38,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-25 22:46:38,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:46:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:46:38,693 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 22:46:38,725 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 22:46:38,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-25 22:46:38,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-25 22:46:38,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:46:38,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:46:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-08-25 22:46:39,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220489642] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:39,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:46:39,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:46:39,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350959697] [2021-08-25 22:46:39,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:39,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:39,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:46:39,795 INFO L87 Difference]: Start difference. First operand 15471 states and 17489 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 22:46:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:41,502 INFO L93 Difference]: Finished difference Result 36047 states and 41086 transitions. [2021-08-25 22:46:41,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:41,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 345 [2021-08-25 22:46:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:41,527 INFO L225 Difference]: With dead ends: 36047 [2021-08-25 22:46:41,527 INFO L226 Difference]: Without dead ends: 19726 [2021-08-25 22:46:41,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:46:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19726 states. [2021-08-25 22:46:41,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19726 to 15031. [2021-08-25 22:46:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15031 states, 15030 states have (on average 1.1236194278110445) internal successors, (16888), 15030 states have internal predecessors, (16888), 0 states have call successors, (0), 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 22:46:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15031 states to 15031 states and 16888 transitions. [2021-08-25 22:46:41,684 INFO L78 Accepts]: Start accepts. Automaton has 15031 states and 16888 transitions. Word has length 345 [2021-08-25 22:46:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:41,684 INFO L470 AbstractCegarLoop]: Abstraction has 15031 states and 16888 transitions. [2021-08-25 22:46:41,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 22:46:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 15031 states and 16888 transitions. [2021-08-25 22:46:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-08-25 22:46:41,692 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:41,692 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:41,712 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 22:46:41,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:46:41,906 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:41,906 INFO L82 PathProgramCache]: Analyzing trace with hash -125416773, now seen corresponding path program 1 times [2021-08-25 22:46:41,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:41,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565751660] [2021-08-25 22:46:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:41,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-08-25 22:46:42,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:42,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565751660] [2021-08-25 22:46:42,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565751660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:42,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:42,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:42,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038638877] [2021-08-25 22:46:42,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:42,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:42,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:42,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:42,101 INFO L87 Difference]: Start difference. First operand 15031 states and 16888 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 22:46:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:43,826 INFO L93 Difference]: Finished difference Result 36455 states and 41102 transitions. [2021-08-25 22:46:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:43,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 486 [2021-08-25 22:46:43,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:43,848 INFO L225 Difference]: With dead ends: 36455 [2021-08-25 22:46:43,848 INFO L226 Difference]: Without dead ends: 21851 [2021-08-25 22:46:43,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21851 states. [2021-08-25 22:46:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21851 to 19710. [2021-08-25 22:46:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19710 states, 19709 states have (on average 1.1341011720533767) internal successors, (22352), 19709 states have internal predecessors, (22352), 0 states have call successors, (0), 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 22:46:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19710 states to 19710 states and 22352 transitions. [2021-08-25 22:46:44,032 INFO L78 Accepts]: Start accepts. Automaton has 19710 states and 22352 transitions. Word has length 486 [2021-08-25 22:46:44,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:44,032 INFO L470 AbstractCegarLoop]: Abstraction has 19710 states and 22352 transitions. [2021-08-25 22:46:44,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 22:46:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 19710 states and 22352 transitions. [2021-08-25 22:46:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-08-25 22:46:44,046 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:44,046 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:44,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:46:44,047 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:44,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:44,047 INFO L82 PathProgramCache]: Analyzing trace with hash 265357040, now seen corresponding path program 1 times [2021-08-25 22:46:44,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:44,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231640840] [2021-08-25 22:46:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:44,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-08-25 22:46:44,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:44,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231640840] [2021-08-25 22:46:44,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231640840] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:44,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:44,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:44,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90006280] [2021-08-25 22:46:44,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:44,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:44,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:44,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:44,163 INFO L87 Difference]: Start difference. First operand 19710 states and 22352 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 22:46:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:45,885 INFO L93 Difference]: Finished difference Result 44099 states and 50147 transitions. [2021-08-25 22:46:45,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:45,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 594 [2021-08-25 22:46:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:45,909 INFO L225 Difference]: With dead ends: 44099 [2021-08-25 22:46:45,909 INFO L226 Difference]: Without dead ends: 23529 [2021-08-25 22:46:45,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23529 states. [2021-08-25 22:46:46,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23529 to 23525. [2021-08-25 22:46:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23525 states, 23524 states have (on average 1.1163917701071246) internal successors, (26262), 23524 states have internal predecessors, (26262), 0 states have call successors, (0), 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 22:46:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23525 states to 23525 states and 26262 transitions. [2021-08-25 22:46:46,111 INFO L78 Accepts]: Start accepts. Automaton has 23525 states and 26262 transitions. Word has length 594 [2021-08-25 22:46:46,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:46,112 INFO L470 AbstractCegarLoop]: Abstraction has 23525 states and 26262 transitions. [2021-08-25 22:46:46,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 22:46:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 23525 states and 26262 transitions. [2021-08-25 22:46:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-08-25 22:46:46,126 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:46,126 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:46,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:46:46,127 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:46,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:46,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1620580381, now seen corresponding path program 1 times [2021-08-25 22:46:46,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:46,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451267447] [2021-08-25 22:46:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:46,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-08-25 22:46:46,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:46,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451267447] [2021-08-25 22:46:46,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451267447] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:46,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:46,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:46,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620667154] [2021-08-25 22:46:46,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:46,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:46,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:46,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:46,296 INFO L87 Difference]: Start difference. First operand 23525 states and 26262 transitions. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 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 22:46:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:47,925 INFO L93 Difference]: Finished difference Result 45341 states and 50649 transitions. [2021-08-25 22:46:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:47,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 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 618 [2021-08-25 22:46:47,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:47,945 INFO L225 Difference]: With dead ends: 45341 [2021-08-25 22:46:47,945 INFO L226 Difference]: Without dead ends: 22243 [2021-08-25 22:46:47,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22243 states. [2021-08-25 22:46:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22243 to 21391. [2021-08-25 22:46:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21391 states, 21390 states have (on average 1.086021505376344) internal successors, (23230), 21390 states have internal predecessors, (23230), 0 states have call successors, (0), 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 22:46:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21391 states to 21391 states and 23230 transitions. [2021-08-25 22:46:48,130 INFO L78 Accepts]: Start accepts. Automaton has 21391 states and 23230 transitions. Word has length 618 [2021-08-25 22:46:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:48,131 INFO L470 AbstractCegarLoop]: Abstraction has 21391 states and 23230 transitions. [2021-08-25 22:46:48,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 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 22:46:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 21391 states and 23230 transitions. [2021-08-25 22:46:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-08-25 22:46:48,149 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:48,149 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:48,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:46:48,150 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:48,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1999008453, now seen corresponding path program 1 times [2021-08-25 22:46:48,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:48,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120548440] [2021-08-25 22:46:48,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:48,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-08-25 22:46:48,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:48,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120548440] [2021-08-25 22:46:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120548440] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:48,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:48,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:48,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479706998] [2021-08-25 22:46:48,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:48,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:48,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:48,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:48,293 INFO L87 Difference]: Start difference. First operand 21391 states and 23230 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 22:46:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:49,908 INFO L93 Difference]: Finished difference Result 50433 states and 55025 transitions. [2021-08-25 22:46:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:49,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 680 [2021-08-25 22:46:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:49,936 INFO L225 Difference]: With dead ends: 50433 [2021-08-25 22:46:49,936 INFO L226 Difference]: Without dead ends: 29044 [2021-08-25 22:46:49,950 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29044 states. [2021-08-25 22:46:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29044 to 26911. [2021-08-25 22:46:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26911 states, 26910 states have (on average 1.0854329245633594) internal successors, (29209), 26910 states have internal predecessors, (29209), 0 states have call successors, (0), 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 22:46:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26911 states to 26911 states and 29209 transitions. [2021-08-25 22:46:50,174 INFO L78 Accepts]: Start accepts. Automaton has 26911 states and 29209 transitions. Word has length 680 [2021-08-25 22:46:50,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:50,175 INFO L470 AbstractCegarLoop]: Abstraction has 26911 states and 29209 transitions. [2021-08-25 22:46:50,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 22:46:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 26911 states and 29209 transitions. [2021-08-25 22:46:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2021-08-25 22:46:50,193 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:50,194 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:50,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:46:50,194 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:50,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:50,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1837672456, now seen corresponding path program 1 times [2021-08-25 22:46:50,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:50,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692090632] [2021-08-25 22:46:50,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:50,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-08-25 22:46:50,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:50,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692090632] [2021-08-25 22:46:50,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692090632] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:50,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:50,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:50,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221343786] [2021-08-25 22:46:50,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:50,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:50,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:50,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:50,357 INFO L87 Difference]: Start difference. First operand 26911 states and 29209 transitions. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 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 22:46:52,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:52,069 INFO L93 Difference]: Finished difference Result 59795 states and 64882 transitions. [2021-08-25 22:46:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:52,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 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 702 [2021-08-25 22:46:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:52,097 INFO L225 Difference]: With dead ends: 59795 [2021-08-25 22:46:52,098 INFO L226 Difference]: Without dead ends: 32033 [2021-08-25 22:46:52,112 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:52,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32033 states. [2021-08-25 22:46:52,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32033 to 30749. [2021-08-25 22:46:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30749 states, 30748 states have (on average 1.081208533888383) internal successors, (33245), 30748 states have internal predecessors, (33245), 0 states have call successors, (0), 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 22:46:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30749 states to 30749 states and 33245 transitions. [2021-08-25 22:46:52,363 INFO L78 Accepts]: Start accepts. Automaton has 30749 states and 33245 transitions. Word has length 702 [2021-08-25 22:46:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:52,363 INFO L470 AbstractCegarLoop]: Abstraction has 30749 states and 33245 transitions. [2021-08-25 22:46:52,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 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 22:46:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 30749 states and 33245 transitions. [2021-08-25 22:46:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2021-08-25 22:46:52,379 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:52,379 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:52,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:46:52,379 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:52,380 INFO L82 PathProgramCache]: Analyzing trace with hash 662549309, now seen corresponding path program 1 times [2021-08-25 22:46:52,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:52,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73190439] [2021-08-25 22:46:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:52,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 657 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-08-25 22:46:52,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:52,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73190439] [2021-08-25 22:46:52,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73190439] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:46:52,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:46:52,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:46:52,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102557546] [2021-08-25 22:46:52,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:46:52,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:46:52,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:52,513 INFO L87 Difference]: Start difference. First operand 30749 states and 33245 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 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 22:46:54,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:54,304 INFO L93 Difference]: Finished difference Result 73430 states and 79470 transitions. [2021-08-25 22:46:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:46:54,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 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 715 [2021-08-25 22:46:54,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:54,344 INFO L225 Difference]: With dead ends: 73430 [2021-08-25 22:46:54,344 INFO L226 Difference]: Without dead ends: 41819 [2021-08-25 22:46:54,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:46:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41819 states. [2021-08-25 22:46:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41819 to 38830. [2021-08-25 22:46:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38830 states, 38829 states have (on average 1.0740168430812023) internal successors, (41703), 38829 states have internal predecessors, (41703), 0 states have call successors, (0), 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 22:46:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38830 states to 38830 states and 41703 transitions. [2021-08-25 22:46:54,677 INFO L78 Accepts]: Start accepts. Automaton has 38830 states and 41703 transitions. Word has length 715 [2021-08-25 22:46:54,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:54,677 INFO L470 AbstractCegarLoop]: Abstraction has 38830 states and 41703 transitions. [2021-08-25 22:46:54,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 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 22:46:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38830 states and 41703 transitions. [2021-08-25 22:46:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2021-08-25 22:46:54,697 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:54,697 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:54,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 22:46:54,698 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:46:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:46:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1394250274, now seen corresponding path program 1 times [2021-08-25 22:46:54,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:46:54,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694681278] [2021-08-25 22:46:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:54,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:46:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 523 proven. 189 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-25 22:46:54,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:46:54,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694681278] [2021-08-25 22:46:54,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694681278] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:54,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441912267] [2021-08-25 22:46:54,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:46:54,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:46:54,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:46:54,918 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 22:46:54,947 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 22:46:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:46:55,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:46:55,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:46:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 523 proven. 189 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-25 22:46:57,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441912267] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:46:57,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:46:57,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-08-25 22:46:57,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511970130] [2021-08-25 22:46:57,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:46:57,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:46:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:46:57,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:46:57,159 INFO L87 Difference]: Start difference. First operand 38830 states and 41703 transitions. Second operand has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 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 22:46:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:46:59,409 INFO L93 Difference]: Finished difference Result 81925 states and 88034 transitions. [2021-08-25 22:46:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:46:59,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 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 807 [2021-08-25 22:46:59,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:46:59,450 INFO L225 Difference]: With dead ends: 81925 [2021-08-25 22:46:59,450 INFO L226 Difference]: Without dead ends: 43095 [2021-08-25 22:46:59,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 807 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:46:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43095 states. [2021-08-25 22:46:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 38831. [2021-08-25 22:46:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38831 states, 38830 states have (on average 1.0726500128766419) internal successors, (41651), 38830 states have internal predecessors, (41651), 0 states have call successors, (0), 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 22:46:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38831 states to 38831 states and 41651 transitions. [2021-08-25 22:46:59,795 INFO L78 Accepts]: Start accepts. Automaton has 38831 states and 41651 transitions. Word has length 807 [2021-08-25 22:46:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:46:59,795 INFO L470 AbstractCegarLoop]: Abstraction has 38831 states and 41651 transitions. [2021-08-25 22:46:59,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 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 22:46:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38831 states and 41651 transitions. [2021-08-25 22:46:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-08-25 22:46:59,819 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:46:59,819 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:46:59,840 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 22:47:00,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:47:00,033 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:00,034 INFO L82 PathProgramCache]: Analyzing trace with hash -916715883, now seen corresponding path program 1 times [2021-08-25 22:47:00,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:00,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373978787] [2021-08-25 22:47:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:00,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 555 proven. 140 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-08-25 22:47:00,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:00,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373978787] [2021-08-25 22:47:00,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373978787] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:47:00,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660054172] [2021-08-25 22:47:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:00,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:47:00,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:47:00,306 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 22:47:00,307 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 22:47:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:00,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-25 22:47:00,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:47:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 805 proven. 135 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2021-08-25 22:47:04,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660054172] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:47:04,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:47:04,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-08-25 22:47:04,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260748334] [2021-08-25 22:47:04,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:47:04,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:04,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:47:04,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:47:04,396 INFO L87 Difference]: Start difference. First operand 38831 states and 41651 transitions. Second operand has 7 states, 7 states have (on average 145.42857142857142) internal successors, (1018), 7 states have internal predecessors, (1018), 0 states have call successors, (0), 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 22:47:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:07,114 INFO L93 Difference]: Finished difference Result 75324 states and 80717 transitions. [2021-08-25 22:47:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 22:47:07,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 145.42857142857142) internal successors, (1018), 7 states have internal predecessors, (1018), 0 states have call successors, (0), 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 808 [2021-08-25 22:47:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:07,150 INFO L225 Difference]: With dead ends: 75324 [2021-08-25 22:47:07,150 INFO L226 Difference]: Without dead ends: 36920 [2021-08-25 22:47:07,172 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.9ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:47:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36920 states. [2021-08-25 22:47:07,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36920 to 35398. [2021-08-25 22:47:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35398 states, 35397 states have (on average 1.0702884425233776) internal successors, (37885), 35397 states have internal predecessors, (37885), 0 states have call successors, (0), 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 22:47:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35398 states to 35398 states and 37885 transitions. [2021-08-25 22:47:07,576 INFO L78 Accepts]: Start accepts. Automaton has 35398 states and 37885 transitions. Word has length 808 [2021-08-25 22:47:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:07,577 INFO L470 AbstractCegarLoop]: Abstraction has 35398 states and 37885 transitions. [2021-08-25 22:47:07,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 145.42857142857142) internal successors, (1018), 7 states have internal predecessors, (1018), 0 states have call successors, (0), 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 22:47:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 35398 states and 37885 transitions. [2021-08-25 22:47:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2021-08-25 22:47:07,600 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:07,600 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:07,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 22:47:07,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:47:07,811 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:07,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:07,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1756133841, now seen corresponding path program 1 times [2021-08-25 22:47:07,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:07,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357811344] [2021-08-25 22:47:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:07,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2021-08-25 22:47:08,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:08,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357811344] [2021-08-25 22:47:08,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357811344] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:08,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:08,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:47:08,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002151854] [2021-08-25 22:47:08,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:47:08,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:08,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:47:08,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:08,032 INFO L87 Difference]: Start difference. First operand 35398 states and 37885 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 22:47:09,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:09,555 INFO L93 Difference]: Finished difference Result 76309 states and 81584 transitions. [2021-08-25 22:47:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:47:09,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 816 [2021-08-25 22:47:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:09,594 INFO L225 Difference]: With dead ends: 76309 [2021-08-25 22:47:09,594 INFO L226 Difference]: Without dead ends: 40062 [2021-08-25 22:47:09,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40062 states. [2021-08-25 22:47:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40062 to 38359. [2021-08-25 22:47:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38359 states, 38358 states have (on average 1.0608217321028208) internal successors, (40691), 38358 states have internal predecessors, (40691), 0 states have call successors, (0), 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 22:47:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 40691 transitions. [2021-08-25 22:47:09,955 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 40691 transitions. Word has length 816 [2021-08-25 22:47:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:09,955 INFO L470 AbstractCegarLoop]: Abstraction has 38359 states and 40691 transitions. [2021-08-25 22:47:09,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 22:47:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 40691 transitions. [2021-08-25 22:47:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2021-08-25 22:47:09,975 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:09,975 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:09,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:47:09,976 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:09,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1100039101, now seen corresponding path program 1 times [2021-08-25 22:47:09,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:09,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366652336] [2021-08-25 22:47:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:09,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1188 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-08-25 22:47:10,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:10,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366652336] [2021-08-25 22:47:10,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366652336] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:10,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:10,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 22:47:10,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763300097] [2021-08-25 22:47:10,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 22:47:10,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:10,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 22:47:10,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:47:10,175 INFO L87 Difference]: Start difference. First operand 38359 states and 40691 transitions. Second operand has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 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 22:47:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:14,133 INFO L93 Difference]: Finished difference Result 82673 states and 87734 transitions. [2021-08-25 22:47:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 22:47:14,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 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 848 [2021-08-25 22:47:14,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:14,177 INFO L225 Difference]: With dead ends: 82673 [2021-08-25 22:47:14,177 INFO L226 Difference]: Without dead ends: 44316 [2021-08-25 22:47:14,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:47:14,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44316 states. [2021-08-25 22:47:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44316 to 38779. [2021-08-25 22:47:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38779 states, 38778 states have (on average 1.056294806333488) internal successors, (40961), 38778 states have internal predecessors, (40961), 0 states have call successors, (0), 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 22:47:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38779 states to 38779 states and 40961 transitions. [2021-08-25 22:47:14,641 INFO L78 Accepts]: Start accepts. Automaton has 38779 states and 40961 transitions. Word has length 848 [2021-08-25 22:47:14,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:14,642 INFO L470 AbstractCegarLoop]: Abstraction has 38779 states and 40961 transitions. [2021-08-25 22:47:14,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 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 22:47:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 38779 states and 40961 transitions. [2021-08-25 22:47:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2021-08-25 22:47:14,662 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:14,663 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:14,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 22:47:14,663 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:14,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:14,663 INFO L82 PathProgramCache]: Analyzing trace with hash -820076499, now seen corresponding path program 1 times [2021-08-25 22:47:14,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:14,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586089246] [2021-08-25 22:47:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:14,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 1025 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-08-25 22:47:14,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:14,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586089246] [2021-08-25 22:47:14,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586089246] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:14,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:14,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:47:14,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27293224] [2021-08-25 22:47:14,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:47:14,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:14,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:47:14,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:14,869 INFO L87 Difference]: Start difference. First operand 38779 states and 40961 transitions. Second operand has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 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 22:47:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:17,389 INFO L93 Difference]: Finished difference Result 92044 states and 97357 transitions. [2021-08-25 22:47:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:47:17,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 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 864 [2021-08-25 22:47:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:17,444 INFO L225 Difference]: With dead ends: 92044 [2021-08-25 22:47:17,444 INFO L226 Difference]: Without dead ends: 53692 [2021-08-25 22:47:17,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53692 states. [2021-08-25 22:47:17,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53692 to 48578. [2021-08-25 22:47:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48578 states, 48577 states have (on average 1.059863721514297) internal successors, (51485), 48577 states have internal predecessors, (51485), 0 states have call successors, (0), 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 22:47:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48578 states to 48578 states and 51485 transitions. [2021-08-25 22:47:18,008 INFO L78 Accepts]: Start accepts. Automaton has 48578 states and 51485 transitions. Word has length 864 [2021-08-25 22:47:18,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:18,008 INFO L470 AbstractCegarLoop]: Abstraction has 48578 states and 51485 transitions. [2021-08-25 22:47:18,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 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 22:47:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 48578 states and 51485 transitions. [2021-08-25 22:47:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2021-08-25 22:47:18,039 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:18,040 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:18,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:47:18,040 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:18,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1716098999, now seen corresponding path program 1 times [2021-08-25 22:47:18,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:18,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146944220] [2021-08-25 22:47:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:18,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 955 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-08-25 22:47:18,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:18,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146944220] [2021-08-25 22:47:18,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146944220] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:18,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:18,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:47:18,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377591233] [2021-08-25 22:47:18,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:47:18,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:18,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:47:18,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:18,235 INFO L87 Difference]: Start difference. First operand 48578 states and 51485 transitions. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 22:47:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:19,990 INFO L93 Difference]: Finished difference Result 100140 states and 106184 transitions. [2021-08-25 22:47:19,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:47:19,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 911 [2021-08-25 22:47:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:20,044 INFO L225 Difference]: With dead ends: 100140 [2021-08-25 22:47:20,044 INFO L226 Difference]: Without dead ends: 51989 [2021-08-25 22:47:20,074 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51989 states. [2021-08-25 22:47:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51989 to 50706. [2021-08-25 22:47:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50706 states, 50705 states have (on average 1.0602899122374518) internal successors, (53762), 50705 states have internal predecessors, (53762), 0 states have call successors, (0), 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 22:47:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50706 states to 50706 states and 53762 transitions. [2021-08-25 22:47:20,811 INFO L78 Accepts]: Start accepts. Automaton has 50706 states and 53762 transitions. Word has length 911 [2021-08-25 22:47:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:20,811 INFO L470 AbstractCegarLoop]: Abstraction has 50706 states and 53762 transitions. [2021-08-25 22:47:20,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 22:47:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 50706 states and 53762 transitions. [2021-08-25 22:47:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2021-08-25 22:47:20,846 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:20,847 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:20,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-25 22:47:20,847 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:20,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:20,847 INFO L82 PathProgramCache]: Analyzing trace with hash 63473278, now seen corresponding path program 1 times [2021-08-25 22:47:20,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:20,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997077034] [2021-08-25 22:47:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:20,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 1092 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-08-25 22:47:21,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:21,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997077034] [2021-08-25 22:47:21,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997077034] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:21,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:21,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:47:21,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459199204] [2021-08-25 22:47:21,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:47:21,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:21,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:47:21,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:21,060 INFO L87 Difference]: Start difference. First operand 50706 states and 53762 transitions. Second operand has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 22:47:23,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:23,554 INFO L93 Difference]: Finished difference Result 107387 states and 113838 transitions. [2021-08-25 22:47:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:47:23,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 919 [2021-08-25 22:47:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:23,621 INFO L225 Difference]: With dead ends: 107387 [2021-08-25 22:47:23,622 INFO L226 Difference]: Without dead ends: 57108 [2021-08-25 22:47:23,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57108 states. [2021-08-25 22:47:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57108 to 50278. [2021-08-25 22:47:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50278 states, 50277 states have (on average 1.056228494142451) internal successors, (53104), 50277 states have internal predecessors, (53104), 0 states have call successors, (0), 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 22:47:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50278 states to 50278 states and 53104 transitions. [2021-08-25 22:47:24,313 INFO L78 Accepts]: Start accepts. Automaton has 50278 states and 53104 transitions. Word has length 919 [2021-08-25 22:47:24,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:24,314 INFO L470 AbstractCegarLoop]: Abstraction has 50278 states and 53104 transitions. [2021-08-25 22:47:24,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 22:47:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50278 states and 53104 transitions. [2021-08-25 22:47:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2021-08-25 22:47:24,347 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:24,348 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:24,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 22:47:24,348 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:24,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:24,349 INFO L82 PathProgramCache]: Analyzing trace with hash -231809541, now seen corresponding path program 1 times [2021-08-25 22:47:24,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:24,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106687359] [2021-08-25 22:47:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:24,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 1104 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2021-08-25 22:47:24,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:24,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106687359] [2021-08-25 22:47:24,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106687359] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:24,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:24,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:47:24,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643138529] [2021-08-25 22:47:24,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:47:24,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:24,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:47:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:24,558 INFO L87 Difference]: Start difference. First operand 50278 states and 53104 transitions. Second operand has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 22:47:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:27,641 INFO L93 Difference]: Finished difference Result 105247 states and 111147 transitions. [2021-08-25 22:47:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:47:27,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 925 [2021-08-25 22:47:27,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:27,693 INFO L225 Difference]: With dead ends: 105247 [2021-08-25 22:47:27,693 INFO L226 Difference]: Without dead ends: 55396 [2021-08-25 22:47:27,719 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55396 states. [2021-08-25 22:47:28,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55396 to 50703. [2021-08-25 22:47:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50703 states, 50702 states have (on average 1.0560135694844386) internal successors, (53542), 50702 states have internal predecessors, (53542), 0 states have call successors, (0), 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 22:47:28,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50703 states to 50703 states and 53542 transitions. [2021-08-25 22:47:28,261 INFO L78 Accepts]: Start accepts. Automaton has 50703 states and 53542 transitions. Word has length 925 [2021-08-25 22:47:28,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:28,261 INFO L470 AbstractCegarLoop]: Abstraction has 50703 states and 53542 transitions. [2021-08-25 22:47:28,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 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 22:47:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 50703 states and 53542 transitions. [2021-08-25 22:47:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 937 [2021-08-25 22:47:28,291 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:28,292 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:28,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-25 22:47:28,292 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:28,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:28,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1276595123, now seen corresponding path program 1 times [2021-08-25 22:47:28,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:28,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406330257] [2021-08-25 22:47:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:28,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 900 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2021-08-25 22:47:28,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:28,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406330257] [2021-08-25 22:47:28,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406330257] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:28,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:28,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:47:28,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158189977] [2021-08-25 22:47:28,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:47:28,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:47:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:28,438 INFO L87 Difference]: Start difference. First operand 50703 states and 53542 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 22:47:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:30,631 INFO L93 Difference]: Finished difference Result 103959 states and 109786 transitions. [2021-08-25 22:47:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:47:30,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 936 [2021-08-25 22:47:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:30,685 INFO L225 Difference]: With dead ends: 103959 [2021-08-25 22:47:30,686 INFO L226 Difference]: Without dead ends: 53683 [2021-08-25 22:47:30,714 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:30,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53683 states. [2021-08-25 22:47:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53683 to 49002. [2021-08-25 22:47:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49002 states, 49001 states have (on average 1.0541825677027) internal successors, (51656), 49001 states have internal predecessors, (51656), 0 states have call successors, (0), 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 22:47:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49002 states to 49002 states and 51656 transitions. [2021-08-25 22:47:31,309 INFO L78 Accepts]: Start accepts. Automaton has 49002 states and 51656 transitions. Word has length 936 [2021-08-25 22:47:31,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:31,310 INFO L470 AbstractCegarLoop]: Abstraction has 49002 states and 51656 transitions. [2021-08-25 22:47:31,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 22:47:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49002 states and 51656 transitions. [2021-08-25 22:47:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2021-08-25 22:47:31,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:31,341 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:31,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-25 22:47:31,342 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:31,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:31,342 INFO L82 PathProgramCache]: Analyzing trace with hash 833958958, now seen corresponding path program 1 times [2021-08-25 22:47:31,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:31,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653222279] [2021-08-25 22:47:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:31,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 1519 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-08-25 22:47:31,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:31,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653222279] [2021-08-25 22:47:31,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653222279] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:31,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:31,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 22:47:31,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871604619] [2021-08-25 22:47:31,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 22:47:31,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 22:47:31,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:47:31,758 INFO L87 Difference]: Start difference. First operand 49002 states and 51656 transitions. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 22:47:36,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:36,406 INFO L93 Difference]: Finished difference Result 121005 states and 127836 transitions. [2021-08-25 22:47:36,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:47:36,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 942 [2021-08-25 22:47:36,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:36,466 INFO L225 Difference]: With dead ends: 121005 [2021-08-25 22:47:36,466 INFO L226 Difference]: Without dead ends: 70730 [2021-08-25 22:47:36,475 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:47:36,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70730 states. [2021-08-25 22:47:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70730 to 59669. [2021-08-25 22:47:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59669 states, 59668 states have (on average 1.0529094321914594) internal successors, (62825), 59668 states have internal predecessors, (62825), 0 states have call successors, (0), 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 22:47:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59669 states to 59669 states and 62825 transitions. [2021-08-25 22:47:37,230 INFO L78 Accepts]: Start accepts. Automaton has 59669 states and 62825 transitions. Word has length 942 [2021-08-25 22:47:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:37,231 INFO L470 AbstractCegarLoop]: Abstraction has 59669 states and 62825 transitions. [2021-08-25 22:47:37,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 22:47:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 59669 states and 62825 transitions. [2021-08-25 22:47:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2021-08-25 22:47:37,269 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:37,269 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:37,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-25 22:47:37,269 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash 804610180, now seen corresponding path program 1 times [2021-08-25 22:47:37,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:37,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905445019] [2021-08-25 22:47:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:37,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 1534 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-08-25 22:47:37,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:37,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905445019] [2021-08-25 22:47:37,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905445019] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:37,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:37,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 22:47:37,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999753952] [2021-08-25 22:47:37,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 22:47:37,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:37,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 22:47:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:47:37,631 INFO L87 Difference]: Start difference. First operand 59669 states and 62825 transitions. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 22:47:41,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:41,497 INFO L93 Difference]: Finished difference Result 138508 states and 146314 transitions. [2021-08-25 22:47:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:47:41,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 947 [2021-08-25 22:47:41,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:41,571 INFO L225 Difference]: With dead ends: 138508 [2021-08-25 22:47:41,571 INFO L226 Difference]: Without dead ends: 78841 [2021-08-25 22:47:41,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:47:41,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78841 states. [2021-08-25 22:47:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78841 to 57969. [2021-08-25 22:47:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57969 states, 57968 states have (on average 1.0547888490201491) internal successors, (61144), 57968 states have internal predecessors, (61144), 0 states have call successors, (0), 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 22:47:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57969 states to 57969 states and 61144 transitions. [2021-08-25 22:47:42,300 INFO L78 Accepts]: Start accepts. Automaton has 57969 states and 61144 transitions. Word has length 947 [2021-08-25 22:47:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:42,300 INFO L470 AbstractCegarLoop]: Abstraction has 57969 states and 61144 transitions. [2021-08-25 22:47:42,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 22:47:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 57969 states and 61144 transitions. [2021-08-25 22:47:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2021-08-25 22:47:42,335 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:42,335 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 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 22:47:42,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-25 22:47:42,336 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1304412672, now seen corresponding path program 1 times [2021-08-25 22:47:42,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:42,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881840259] [2021-08-25 22:47:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:42,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 1322 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-08-25 22:47:42,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:42,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881840259] [2021-08-25 22:47:42,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881840259] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:42,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:42,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:47:42,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702437060] [2021-08-25 22:47:42,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:47:42,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:42,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:47:42,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:42,691 INFO L87 Difference]: Start difference. First operand 57969 states and 61144 transitions. Second operand has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 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 22:47:45,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:45,374 INFO L93 Difference]: Finished difference Result 124447 states and 131216 transitions. [2021-08-25 22:47:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:47:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 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 998 [2021-08-25 22:47:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:45,456 INFO L225 Difference]: With dead ends: 124447 [2021-08-25 22:47:45,456 INFO L226 Difference]: Without dead ends: 66480 [2021-08-25 22:47:45,495 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:45,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66480 states. [2021-08-25 22:47:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66480 to 63073. [2021-08-25 22:47:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63073 states, 63072 states have (on average 1.0530980466768138) internal successors, (66421), 63072 states have internal predecessors, (66421), 0 states have call successors, (0), 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 22:47:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63073 states to 63073 states and 66421 transitions. [2021-08-25 22:47:46,217 INFO L78 Accepts]: Start accepts. Automaton has 63073 states and 66421 transitions. Word has length 998 [2021-08-25 22:47:46,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:46,218 INFO L470 AbstractCegarLoop]: Abstraction has 63073 states and 66421 transitions. [2021-08-25 22:47:46,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 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 22:47:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 63073 states and 66421 transitions. [2021-08-25 22:47:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2021-08-25 22:47:46,255 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:46,256 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:46,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-25 22:47:46,256 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:46,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1867466859, now seen corresponding path program 1 times [2021-08-25 22:47:46,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:46,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534482376] [2021-08-25 22:47:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:46,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 1238 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2021-08-25 22:47:46,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:46,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534482376] [2021-08-25 22:47:46,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534482376] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:46,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:46,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:47:46,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987014213] [2021-08-25 22:47:46,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:47:46,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:46,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:47:46,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:47:46,652 INFO L87 Difference]: Start difference. First operand 63073 states and 66421 transitions. Second operand has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 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 22:47:49,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:49,434 INFO L93 Difference]: Finished difference Result 133381 states and 140263 transitions. [2021-08-25 22:47:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:47:49,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 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 1031 [2021-08-25 22:47:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:49,500 INFO L225 Difference]: With dead ends: 133381 [2021-08-25 22:47:49,501 INFO L226 Difference]: Without dead ends: 70309 [2021-08-25 22:47:49,533 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:47:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70309 states. [2021-08-25 22:47:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70309 to 63073. [2021-08-25 22:47:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63073 states, 63072 states have (on average 1.053082191780822) internal successors, (66420), 63072 states have internal predecessors, (66420), 0 states have call successors, (0), 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 22:47:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63073 states to 63073 states and 66420 transitions. [2021-08-25 22:47:50,345 INFO L78 Accepts]: Start accepts. Automaton has 63073 states and 66420 transitions. Word has length 1031 [2021-08-25 22:47:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:50,345 INFO L470 AbstractCegarLoop]: Abstraction has 63073 states and 66420 transitions. [2021-08-25 22:47:50,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 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 22:47:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 63073 states and 66420 transitions. [2021-08-25 22:47:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2021-08-25 22:47:50,385 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:50,386 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:50,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-25 22:47:50,386 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:50,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:50,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1056231846, now seen corresponding path program 1 times [2021-08-25 22:47:50,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:50,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804906997] [2021-08-25 22:47:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:50,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 1782 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-08-25 22:47:50,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:50,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804906997] [2021-08-25 22:47:50,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804906997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:50,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:50,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:47:50,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426323463] [2021-08-25 22:47:50,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-25 22:47:50,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:50,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-25 22:47:50,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:47:50,610 INFO L87 Difference]: Start difference. First operand 63073 states and 66420 transitions. Second operand has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 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 22:47:55,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:55,563 INFO L93 Difference]: Finished difference Result 148286 states and 156363 transitions. [2021-08-25 22:47:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-25 22:47:55,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 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 1034 [2021-08-25 22:47:55,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:55,644 INFO L225 Difference]: With dead ends: 148286 [2021-08-25 22:47:55,644 INFO L226 Difference]: Without dead ends: 84363 [2021-08-25 22:47:55,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 19.7ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:47:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84363 states. [2021-08-25 22:47:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84363 to 58383. [2021-08-25 22:47:56,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58383 states, 58382 states have (on average 1.0523962865266692) internal successors, (61441), 58382 states have internal predecessors, (61441), 0 states have call successors, (0), 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 22:47:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58383 states to 58383 states and 61441 transitions. [2021-08-25 22:47:56,396 INFO L78 Accepts]: Start accepts. Automaton has 58383 states and 61441 transitions. Word has length 1034 [2021-08-25 22:47:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:56,397 INFO L470 AbstractCegarLoop]: Abstraction has 58383 states and 61441 transitions. [2021-08-25 22:47:56,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 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 22:47:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 58383 states and 61441 transitions. [2021-08-25 22:47:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1254 [2021-08-25 22:47:56,438 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:56,439 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2021-08-25 22:47:56,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-25 22:47:56,439 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:56,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:56,440 INFO L82 PathProgramCache]: Analyzing trace with hash -882537230, now seen corresponding path program 1 times [2021-08-25 22:47:56,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:56,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644648343] [2021-08-25 22:47:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:56,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2644 backedges. 1883 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-08-25 22:47:56,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:56,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644648343] [2021-08-25 22:47:56,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644648343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:56,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:56,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:47:56,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743906177] [2021-08-25 22:47:56,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:47:56,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:47:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:56,698 INFO L87 Difference]: Start difference. First operand 58383 states and 61441 transitions. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 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 22:47:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:47:58,577 INFO L93 Difference]: Finished difference Result 127863 states and 134576 transitions. [2021-08-25 22:47:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:47:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 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 1253 [2021-08-25 22:47:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:47:58,651 INFO L225 Difference]: With dead ends: 127863 [2021-08-25 22:47:58,651 INFO L226 Difference]: Without dead ends: 69482 [2021-08-25 22:47:58,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69482 states. [2021-08-25 22:47:59,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69482 to 58383. [2021-08-25 22:47:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58383 states, 58382 states have (on average 1.0520194580521394) internal successors, (61419), 58382 states have internal predecessors, (61419), 0 states have call successors, (0), 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 22:47:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58383 states to 58383 states and 61419 transitions. [2021-08-25 22:47:59,397 INFO L78 Accepts]: Start accepts. Automaton has 58383 states and 61419 transitions. Word has length 1253 [2021-08-25 22:47:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:47:59,398 INFO L470 AbstractCegarLoop]: Abstraction has 58383 states and 61419 transitions. [2021-08-25 22:47:59,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 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 22:47:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 58383 states and 61419 transitions. [2021-08-25 22:47:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1255 [2021-08-25 22:47:59,442 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:47:59,442 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:47:59,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-25 22:47:59,443 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:47:59,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:47:59,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1136235544, now seen corresponding path program 1 times [2021-08-25 22:47:59,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:47:59,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890732749] [2021-08-25 22:47:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:47:59,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:47:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:47:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 1557 proven. 0 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2021-08-25 22:47:59,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:47:59,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890732749] [2021-08-25 22:47:59,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890732749] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:47:59,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:47:59,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:47:59,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474247619] [2021-08-25 22:47:59,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:47:59,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:47:59,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:47:59,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:47:59,907 INFO L87 Difference]: Start difference. First operand 58383 states and 61419 transitions. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 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 22:48:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:48:01,855 INFO L93 Difference]: Finished difference Result 126992 states and 133487 transitions. [2021-08-25 22:48:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:48:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 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 1254 [2021-08-25 22:48:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:48:01,925 INFO L225 Difference]: With dead ends: 126992 [2021-08-25 22:48:01,925 INFO L226 Difference]: Without dead ends: 68611 [2021-08-25 22:48:01,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:48:02,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68611 states. [2021-08-25 22:48:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68611 to 65180. [2021-08-25 22:48:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65180 states, 65179 states have (on average 1.0482670798876939) internal successors, (68325), 65179 states have internal predecessors, (68325), 0 states have call successors, (0), 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 22:48:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65180 states to 65180 states and 68325 transitions. [2021-08-25 22:48:02,714 INFO L78 Accepts]: Start accepts. Automaton has 65180 states and 68325 transitions. Word has length 1254 [2021-08-25 22:48:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:48:02,715 INFO L470 AbstractCegarLoop]: Abstraction has 65180 states and 68325 transitions. [2021-08-25 22:48:02,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 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 22:48:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 65180 states and 68325 transitions. [2021-08-25 22:48:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2021-08-25 22:48:02,773 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:48:02,773 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:48:02,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-08-25 22:48:02,773 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:48:02,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:48:02,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1650579960, now seen corresponding path program 1 times [2021-08-25 22:48:02,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:48:02,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593963229] [2021-08-25 22:48:02,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:48:02,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:48:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:48:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2208 backedges. 1178 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2021-08-25 22:48:03,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:48:03,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593963229] [2021-08-25 22:48:03,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593963229] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:48:03,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:48:03,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:48:03,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40909013] [2021-08-25 22:48:03,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:48:03,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:48:03,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:48:03,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:48:03,312 INFO L87 Difference]: Start difference. First operand 65180 states and 68325 transitions. Second operand has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 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 22:48:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:48:05,891 INFO L93 Difference]: Finished difference Result 143988 states and 150676 transitions. [2021-08-25 22:48:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:48:05,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 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 1257 [2021-08-25 22:48:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:48:05,968 INFO L225 Difference]: With dead ends: 143988 [2021-08-25 22:48:05,968 INFO L226 Difference]: Without dead ends: 77533 [2021-08-25 22:48:06,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:48:06,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77533 states. [2021-08-25 22:48:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77533 to 70703. [2021-08-25 22:48:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70703 states, 70702 states have (on average 1.0459958699895335) internal successors, (73954), 70702 states have internal predecessors, (73954), 0 states have call successors, (0), 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 22:48:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70703 states to 70703 states and 73954 transitions. [2021-08-25 22:48:06,942 INFO L78 Accepts]: Start accepts. Automaton has 70703 states and 73954 transitions. Word has length 1257 [2021-08-25 22:48:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:48:06,942 INFO L470 AbstractCegarLoop]: Abstraction has 70703 states and 73954 transitions. [2021-08-25 22:48:06,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 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 22:48:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 70703 states and 73954 transitions. [2021-08-25 22:48:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2021-08-25 22:48:07,002 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:48:07,003 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:48:07,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-08-25 22:48:07,003 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:48:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:48:07,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1299884338, now seen corresponding path program 1 times [2021-08-25 22:48:07,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:48:07,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319201404] [2021-08-25 22:48:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:48:07,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:48:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:48:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2743 backedges. 1869 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-08-25 22:48:07,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:48:07,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319201404] [2021-08-25 22:48:07,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319201404] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:48:07,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:48:07,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:48:07,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47821074] [2021-08-25 22:48:07,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:48:07,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:48:07,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:48:07,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:48:07,303 INFO L87 Difference]: Start difference. First operand 70703 states and 73954 transitions. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:48:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:48:09,971 INFO L93 Difference]: Finished difference Result 159735 states and 167156 transitions. [2021-08-25 22:48:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:48:09,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1286 [2021-08-25 22:48:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:48:09,974 INFO L225 Difference]: With dead ends: 159735 [2021-08-25 22:48:09,974 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:48:10,013 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:48:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:48:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:48:10,014 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 22:48:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:48:10,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1286 [2021-08-25 22:48:10,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:48:10,014 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:48:10,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:48:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:48:10,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:48:10,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:48:10,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-08-25 22:48:10,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:48:10,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:48:13,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:48:16,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:48:16,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:48:26,959 WARN L207 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 896 DAG size of output: 140 [2021-08-25 22:48:34,281 WARN L207 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 926 DAG size of output: 138 [2021-08-25 22:48:41,328 WARN L207 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 914 DAG size of output: 138 [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L1687(lines 1687 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L1555(lines 1555 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L2084(lines 2084 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,331 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1037) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L1027-2(lines 1027 1037) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1560) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L1556-2(lines 1556 1560) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L1424(lines 1424 1433) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L1424-2(lines 1424 1433) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L2349(lines 2349 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L2085(lines 2085 2095) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L2085-2(lines 2085 2095) no Hoare annotation was computed. [2021-08-25 22:48:41,332 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L2482(lines 2482 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L2350(lines 2350 2360) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L2350-2(lines 2350 2360) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L1822(lines 1822 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-08-25 22:48:41,333 INFO L857 garLoopResultBuilder]: For program point L1955(lines 1955 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L2220(lines 2220 2229) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L2220-2(lines 2220 2229) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L2485(lines 2485 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L107-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L1693(lines 1693 1703) no Hoare annotation was computed. [2021-08-25 22:48:41,334 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L1693-2(lines 1693 1703) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L1561(lines 1561 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L1960(lines 1960 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,335 INFO L857 garLoopResultBuilder]: For program point L1828(lines 1828 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L2489(lines 2489 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L1829(lines 1829 1840) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L1829-2(lines 1829 1840) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,336 INFO L857 garLoopResultBuilder]: For program point L1169(lines 1169 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L1566(lines 1566 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L1434(lines 1434 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L1038(lines 1038 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 387) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L378-2(lines 378 387) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L114(line 114) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L2096(lines 2096 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,337 INFO L857 garLoopResultBuilder]: For program point L2361(lines 2361 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L2230(lines 2230 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L116-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L1966(lines 1966 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 918) no Hoare annotation was computed. [2021-08-25 22:48:41,338 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 918) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L2496(lines 2496 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1439(lines 1439 1449) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1439-2(lines 1439 1449) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,339 INFO L857 garLoopResultBuilder]: For program point L119-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L1044(lines 1044 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L1573(lines 1573 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L2234(lines 2234 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L2102(lines 2102 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L650(lines 650 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L2368(lines 2368 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,340 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L2501(lines 2501 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L2105(lines 2105 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1841(lines 1841 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1974(lines 1974 1984) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1974-2(lines 1974 1984) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1710(lines 1710 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1050(lines 1050 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L2241(lines 2241 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,341 INFO L857 garLoopResultBuilder]: For program point L2506(lines 2506 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L2242-2(lines 2242 2253) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L2375(lines 2375 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L2111(lines 2111 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1847(lines 1847 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1584(lines 1584 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L395(lines 395 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 171) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1717(lines 1717 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1585(lines 1585 1591) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1585-2(lines 1585 1591) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L1189(lines 1189 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,342 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L1718(lines 1718 1727) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L1718-2(lines 1718 1727) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L1454(lines 1454 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L2115(lines 2115 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L2512(lines 2512 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L134-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L2116(lines 2116 2122) no Hoare annotation was computed. [2021-08-25 22:48:41,343 INFO L857 garLoopResultBuilder]: For program point L2116-2(lines 2116 2122) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L1852(lines 1852 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L2381(lines 2381 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L1985(lines 1985 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 541) no Hoare annotation was computed. [2021-08-25 22:48:41,344 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 541) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L137-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 939) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 939) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L1855(lines 1855 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,345 INFO L857 garLoopResultBuilder]: For program point L1195(lines 1195 1206) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L1195-2(lines 1195 1206) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L1989(lines 1989 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L1461(lines 1461 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L2254(lines 2254 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,346 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L2387(lines 2387 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L2255(lines 2255 2265) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L2255-2(lines 2255 2265) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L1066(lines 1066 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L2123(lines 2123 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L1728(lines 1728 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,347 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L143-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L1597(lines 1597 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L1994(lines 1994 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L1862(lines 1862 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L2524(lines 2524 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,348 INFO L857 garLoopResultBuilder]: For program point L1467(lines 1467 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L2392(lines 2392 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L2128(lines 2128 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L1600(lines 1600 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L1733(lines 1733 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,349 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L2527(lines 2527 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L1338(lines 1338 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L1339(lines 1339 1348) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L1339-2(lines 1339 1348) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-08-25 22:48:41,350 INFO L857 garLoopResultBuilder]: For program point L1868(lines 1868 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L1472(lines 1472 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L2001(lines 2001 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L1869(lines 1869 1877) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L1869-2(lines 1869 1877) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 425) no Hoare annotation was computed. [2021-08-25 22:48:41,351 INFO L857 garLoopResultBuilder]: For program point L416-2(lines 416 425) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 296) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L284-2(lines 284 296) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L1606-2(lines 1606 1617) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L2399(lines 2399 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2021-08-25 22:48:41,352 INFO L857 garLoopResultBuilder]: For program point L2135(lines 2135 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L2532(lines 2532 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L2400(lines 2400 2412) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L2400-2(lines 2400 2412) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L1079(lines 1079 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L1740(lines 1740 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L1212(lines 1212 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,353 INFO L857 garLoopResultBuilder]: For program point L155-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L2005(lines 2005 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L1477(lines 1477 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L2139(lines 2139 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L158-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L2537(lines 2537 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L2273(lines 2273 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,354 INFO L857 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2548) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L2538-2(lines 2538 2548) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L1349(lines 1349 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L1878(lines 1878 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,355 INFO L857 garLoopResultBuilder]: For program point L161-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L1086(lines 1086 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 567) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L1219(lines 1219 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L2012(lines 2012 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L1484(lines 1484 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L2145(lines 2145 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,356 INFO L857 garLoopResultBuilder]: For program point L956(lines 956 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L2278(lines 2278 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L164-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L1618(lines 1618 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L1751(lines 1751 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L1356(lines 1356 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,357 INFO L857 garLoopResultBuilder]: For program point L2413(lines 2413 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L2017(lines 2017 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L1885(lines 1885 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L2414(lines 2414 2425) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L2414-2(lines 2414 2425) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2021-08-25 22:48:41,358 INFO L857 garLoopResultBuilder]: For program point L2150(lines 2150 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 707) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L1226(lines 1226 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L962(lines 962 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L1755(lines 1755 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,359 INFO L857 garLoopResultBuilder]: For program point L1491(lines 1491 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L2020(lines 2020 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L2549(lines 2549 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L2285(lines 2285 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,360 INFO L857 garLoopResultBuilder]: For program point L1362(lines 1362 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L1098(lines 1098 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L2155(lines 2155 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L41-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L1891(lines 1891 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,361 INFO L857 garLoopResultBuilder]: For program point L1231(lines 1231 1240) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L1231-2(lines 1231 1240) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L836(lines 836 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L2554(lines 2554 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L1497(lines 1497 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L44-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L2026(lines 2026 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,362 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L1630(lines 1630 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L2291(lines 2291 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L1500(lines 1500 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,363 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L1104(lines 1104 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L47-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L2426(lines 2426 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L2162(lines 2162 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L2030(lines 2030 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,364 INFO L857 garLoopResultBuilder]: For program point L1898(lines 1898 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L1766(lines 1766 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L2031(lines 2031 2040) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L2031-2(lines 2031 2040) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L182-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L1636(lines 1636 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L2561(lines 2561 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L2297(lines 2297 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,365 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,366 INFO L857 garLoopResultBuilder]: For program point L1110(lines 1110 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L2167(lines 2167 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L53-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L2432(lines 2432 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1386) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L1375-2(lines 1375 1386) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L186(line 186) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L1905(lines 1905 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,367 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L1773(lines 1773 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L188-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L56-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L1642(lines 1642 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L2567(lines 2567 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L2303(lines 2303 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2021-08-25 22:48:41,368 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L191-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L1116(lines 1116 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L2173(lines 2173 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L59-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,369 INFO L857 garLoopResultBuilder]: For program point L2041(lines 2041 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L1910(lines 1910 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L1514(lines 1514 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,370 INFO L857 garLoopResultBuilder]: For program point L2439(lines 2439 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L2307(lines 2307 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L2440(lines 2440 2449) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L2440-2(lines 2440 2449) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L194-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L62-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L1780(lines 1780 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L2573(lines 2573 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-08-25 22:48:41,371 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L2178(lines 2178 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L1254(lines 1254 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L197-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L65-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 868) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L858-2(lines 858 868) no Hoare annotation was computed. [2021-08-25 22:48:41,372 INFO L857 garLoopResultBuilder]: For program point L1387(lines 1387 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L2312(lines 2312 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L198(line 198) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L1123(lines 1123 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L2048(lines 2048 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L1916(lines 1916 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,373 INFO L857 garLoopResultBuilder]: For program point L1917(lines 1917 1925) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L1917-2(lines 1917 1925) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L853 garLoopResultBuilder]: At program point L1653(lines 34 1654) the Hoare annotation is: (let ((.cse29 (+ ~a14~0 114))) (let ((.cse22 (< 124 ~a26~0)) (.cse19 (= ~a24~0 1)) (.cse13 (< 0 .cse29))) (let ((.cse11 (<= 0 (+ ~a26~0 67))) (.cse4 (<= ~a26~0 121)) (.cse14 (<= ~a26~0 124)) (.cse1 (<= (+ ~a28~0 121) 0)) (.cse16 (< 0 (+ ~a14~0 182))) (.cse17 (<= .cse29 0)) (.cse24 (<= ~a26~0 321684)) (.cse23 (<= (+ ~a26~0 40337) 0)) (.cse21 (<= (+ ~a26~0 68) 0)) (.cse5 (= ~a24~0 3)) (.cse12 (<= ~a28~0 111)) (.cse18 (<= ~a26~0 215)) (.cse25 (<= 125 ~a26~0)) (.cse20 (<= 38 ~a28~0)) (.cse10 (<= 0 (+ ~a14~0 600000))) (.cse6 (<= 86 ~a28~0)) (.cse27 (<= ~a26~0 460652)) (.cse8 (or (and .cse22 .cse19) (and .cse19 .cse13))) (.cse26 (<= ~a28~0 300)) (.cse3 (< (+ ~a14~0 181) 0)) (.cse0 (<= ~a21~0 124)) (.cse28 (<= ~a26~0 559736)) (.cse2 (= ~a24~0 2)) (.cse7 (<= (+ ~a14~0 84) 0)) (.cse9 (<= 218 ~a26~0)) (.cse15 (<= ~a28~0 599997))) (or (and .cse0 .cse1 (<= (+ ~a26~0 278389) 0) .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse0 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse10) (and .cse11 .cse5 .cse0 .cse12 .cse13 .cse14 .cse7) (and .cse5 .cse0 .cse6 .cse3 .cse9 .cse10 .cse15) (and .cse11 .cse0 .cse16 .cse2 .cse17 (<= ~a26~0 43)) (and (<= 300 ~a28~0) .cse5 .cse0 .cse3 .cse10 .cse15) (and .cse0 .cse6 .cse2 .cse3) (and .cse18 .cse8) (and .cse0 .cse19 .cse1) (and .cse5 .cse0 .cse16 .cse17 (<= ~a28~0 133) .cse20) (and .cse19 .cse21) (and .cse0 .cse2 .cse20 .cse15) (and .cse0 .cse13 .cse2 .cse7 .cse21) (and .cse22 .cse19 .cse17) (and .cse23 .cse5 .cse0 .cse1 .cse13 .cse7 .cse21) (and .cse0 .cse2 .cse17 .cse24 .cse25 .cse10 .cse15) (and .cse11 .cse4 .cse0 .cse16 .cse2 .cse26) (and .cse5 .cse0 .cse1 .cse17 .cse21) (and .cse0 .cse13 .cse2 .cse7 .cse24 .cse25) (and .cse19 .cse18 .cse26) (and .cse0 .cse16 .cse2 .cse27 .cse17 .cse9) (and .cse0 .cse2 .cse3 .cse10) (and .cse0 .cse14 .cse2 (<= 0 (+ ~a14~0 83)) .cse15) (and .cse5 .cse0 (or (< 217 ~a26~0) (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse1 .cse16 .cse17 .cse24 .cse25) (and .cse23 .cse5 .cse0 .cse13 .cse7 .cse21 .cse20) (and .cse5 .cse0 .cse12 .cse3 .cse18 .cse25 .cse20 .cse10) (and .cse6 (or (and .cse0 .cse27 .cse8) (and .cse0 .cse19 .cse28 .cse26))) (and .cse19 .cse3) (and .cse0 .cse13 .cse28 .cse2 .cse7 .cse9 .cse15))))) [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L2182(lines 2182 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,374 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L1787(lines 1787 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L853 garLoopResultBuilder]: At program point L2581(lines 1656 2582) the Hoare annotation is: (let ((.cse29 (+ ~a14~0 114))) (let ((.cse22 (< 124 ~a26~0)) (.cse19 (= ~a24~0 1)) (.cse13 (< 0 .cse29))) (let ((.cse11 (<= 0 (+ ~a26~0 67))) (.cse4 (<= ~a26~0 121)) (.cse14 (<= ~a26~0 124)) (.cse1 (<= (+ ~a28~0 121) 0)) (.cse16 (< 0 (+ ~a14~0 182))) (.cse17 (<= .cse29 0)) (.cse24 (<= ~a26~0 321684)) (.cse23 (<= (+ ~a26~0 40337) 0)) (.cse21 (<= (+ ~a26~0 68) 0)) (.cse5 (= ~a24~0 3)) (.cse12 (<= ~a28~0 111)) (.cse18 (<= ~a26~0 215)) (.cse25 (<= 125 ~a26~0)) (.cse20 (<= 38 ~a28~0)) (.cse10 (<= 0 (+ ~a14~0 600000))) (.cse6 (<= 86 ~a28~0)) (.cse27 (<= ~a26~0 460652)) (.cse8 (or (and .cse22 .cse19) (and .cse19 .cse13))) (.cse26 (<= ~a28~0 300)) (.cse3 (< (+ ~a14~0 181) 0)) (.cse0 (<= ~a21~0 124)) (.cse28 (<= ~a26~0 559736)) (.cse2 (= ~a24~0 2)) (.cse7 (<= (+ ~a14~0 84) 0)) (.cse9 (<= 218 ~a26~0)) (.cse15 (<= ~a28~0 599997))) (or (and .cse0 .cse1 (<= (+ ~a26~0 278389) 0) .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse0 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse10) (and .cse11 .cse5 .cse0 .cse12 .cse13 .cse14 .cse7) (and .cse5 .cse0 .cse6 .cse3 .cse9 .cse10 .cse15) (and .cse11 .cse0 .cse16 .cse2 .cse17 (<= ~a26~0 43)) (and (<= 300 ~a28~0) .cse5 .cse0 .cse3 .cse10 .cse15) (and .cse0 .cse6 .cse2 .cse3) (and .cse18 .cse8) (and .cse0 .cse19 .cse1) (and .cse5 .cse0 .cse16 .cse17 (<= ~a28~0 133) .cse20) (and .cse19 .cse21) (and .cse0 .cse2 .cse20 .cse15) (and .cse0 .cse13 .cse2 .cse7 .cse21) (and .cse22 .cse19 .cse17) (and .cse23 .cse5 .cse0 .cse1 .cse13 .cse7 .cse21) (and .cse0 .cse2 .cse17 .cse24 .cse25 .cse10 .cse15) (and .cse11 .cse4 .cse0 .cse16 .cse2 .cse26) (and .cse5 .cse0 .cse1 .cse17 .cse21) (and .cse0 .cse13 .cse2 .cse7 .cse24 .cse25) (and .cse19 .cse18 .cse26) (and .cse0 .cse16 .cse2 .cse27 .cse17 .cse9) (and .cse0 .cse2 .cse3 .cse10) (and .cse0 .cse14 .cse2 (<= 0 (+ ~a14~0 83)) .cse15) (and .cse5 .cse0 (or (< 217 ~a26~0) (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse1 .cse16 .cse17 .cse24 .cse25) (and .cse23 .cse5 .cse0 .cse13 .cse7 .cse21 .cse20) (and .cse5 .cse0 .cse12 .cse3 .cse18 .cse25 .cse20 .cse10) (and .cse6 (or (and .cse0 .cse27 .cse8) (and .cse0 .cse19 .cse28 .cse26))) (and .cse19 .cse3) (and .cse0 .cse13 .cse28 .cse2 .cse7 .cse9 .cse15))))) [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L2317(lines 2317 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,375 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L71-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L2053(lines 2053 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L2450(lines 2450 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L1393(lines 1393 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L1129(lines 1129 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-08-25 22:48:41,376 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L1659(lines 1659 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L860 garLoopResultBuilder]: At program point L2584(lines 2584 2600) the Hoare annotation is: true [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L206-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L2188(lines 2188 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L74-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2021-08-25 22:48:41,377 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 746) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L1926(lines 1926 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L1794(lines 1794 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L2323(lines 2323 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L209-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,378 INFO L857 garLoopResultBuilder]: For program point L77-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L2456(lines 2456 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L1399(lines 1399 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L2060(lines 2060 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,379 INFO L857 garLoopResultBuilder]: For program point L1664(lines 1664 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L853 garLoopResultBuilder]: At program point L2590-2(lines 2590 2599) the Hoare annotation is: (let ((.cse29 (+ ~a14~0 114))) (let ((.cse22 (< 124 ~a26~0)) (.cse19 (= ~a24~0 1)) (.cse13 (< 0 .cse29))) (let ((.cse11 (<= 0 (+ ~a26~0 67))) (.cse4 (<= ~a26~0 121)) (.cse14 (<= ~a26~0 124)) (.cse1 (<= (+ ~a28~0 121) 0)) (.cse16 (< 0 (+ ~a14~0 182))) (.cse17 (<= .cse29 0)) (.cse24 (<= ~a26~0 321684)) (.cse23 (<= (+ ~a26~0 40337) 0)) (.cse21 (<= (+ ~a26~0 68) 0)) (.cse5 (= ~a24~0 3)) (.cse12 (<= ~a28~0 111)) (.cse18 (<= ~a26~0 215)) (.cse25 (<= 125 ~a26~0)) (.cse20 (<= 38 ~a28~0)) (.cse10 (<= 0 (+ ~a14~0 600000))) (.cse6 (<= 86 ~a28~0)) (.cse27 (<= ~a26~0 460652)) (.cse8 (or (and .cse22 .cse19) (and .cse19 .cse13))) (.cse26 (<= ~a28~0 300)) (.cse3 (< (+ ~a14~0 181) 0)) (.cse0 (<= ~a21~0 124)) (.cse28 (<= ~a26~0 559736)) (.cse2 (= ~a24~0 2)) (.cse7 (<= (+ ~a14~0 84) 0)) (.cse9 (<= 218 ~a26~0)) (.cse15 (<= ~a28~0 599997))) (or (and .cse0 .cse1 (<= (+ ~a26~0 278389) 0) .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse0 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse10) (and .cse11 .cse5 .cse0 .cse12 .cse13 .cse14 .cse7) (and .cse5 .cse0 .cse6 .cse3 .cse9 .cse10 .cse15) (and .cse11 .cse0 .cse16 .cse2 .cse17 (<= ~a26~0 43)) (and (<= 300 ~a28~0) .cse5 .cse0 .cse3 .cse10 .cse15) (and .cse0 .cse6 .cse2 .cse3) (and .cse18 .cse8) (and .cse0 .cse19 .cse1) (and .cse5 .cse0 .cse16 .cse17 (<= ~a28~0 133) .cse20) (and .cse19 .cse21) (and .cse0 .cse2 .cse20 .cse15) (and .cse0 .cse13 .cse2 .cse7 .cse21) (and .cse22 .cse19 .cse17) (and .cse23 .cse5 .cse0 .cse1 .cse13 .cse7 .cse21) (and .cse0 .cse2 .cse17 .cse24 .cse25 .cse10 .cse15) (and .cse11 .cse4 .cse0 .cse16 .cse2 .cse26) (and .cse5 .cse0 .cse1 .cse17 .cse21) (and .cse0 .cse13 .cse2 .cse7 .cse24 .cse25) (and .cse19 .cse18 .cse26) (and .cse0 .cse16 .cse2 .cse27 .cse17 .cse9) (and .cse0 .cse2 .cse3 .cse10) (and .cse0 .cse14 .cse2 (<= 0 (+ ~a14~0 83)) .cse15) (and .cse5 .cse0 (or (< 217 ~a26~0) (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse1 .cse16 .cse17 .cse24 .cse25) (and .cse23 .cse5 .cse0 .cse13 .cse7 .cse21 .cse20) (and .cse5 .cse0 .cse12 .cse3 .cse18 .cse25 .cse20 .cse10) (and .cse6 (or (and .cse0 .cse27 .cse8) (and .cse0 .cse19 .cse28 .cse26))) (and .cse19 .cse3) (and .cse0 .cse13 .cse28 .cse2 .cse7 .cse9 .cse15))))) [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L80-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L1005(lines 1005 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L2327(lines 2327 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-08-25 22:48:41,380 INFO L857 garLoopResultBuilder]: For program point L2195(lines 2195 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 615) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L610-2(lines 610 615) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L1535(lines 1535 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L2328(lines 2328 2339) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L2328-2(lines 2328 2339) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2206) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L2196-2(lines 2196 2206) no Hoare annotation was computed. [2021-08-25 22:48:41,381 INFO L857 garLoopResultBuilder]: For program point L1932(lines 1932 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L1140(lines 1140 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L83-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L1801(lines 1801 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L1669(lines 1669 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2021-08-25 22:48:41,382 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L1802(lines 1802 1810) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L1802-2(lines 1802 1810) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L2595(line 2595) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L1406(lines 1406 1415) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L2463(lines 2463 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L1406-2(lines 1406 1415) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L2067(lines 2067 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:48:41,383 INFO L857 garLoopResultBuilder]: For program point L86-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L1937(lines 1937 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L1541(lines 1541 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,384 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L617(lines 617 627) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L617-2(lines 617 627) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L89-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L2073(lines 2073 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,385 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L2470(lines 2470 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L1942(lines 1942 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L1282(lines 1282 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L2207(lines 2207 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-08-25 22:48:41,386 INFO L857 garLoopResultBuilder]: For program point L1943(lines 1943 1954) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1943-2(lines 1943 1954) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1811(lines 1811 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L2340(lines 2340 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1680(lines 1680 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1548(lines 1548 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1416(lines 1416 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L95-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-08-25 22:48:41,387 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L2079(lines 2079 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L2344(lines 2344 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L759(lines 759 770) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L759-2(lines 759 770) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L2477(lines 2477 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,388 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L2213(lines 2213 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L1817(lines 1817 2580) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L1289(lines 1289 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 34 1654) no Hoare annotation was computed. [2021-08-25 22:48:41,389 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1652) no Hoare annotation was computed. [2021-08-25 22:48:41,392 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:48:41,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:48:41 BoogieIcfgContainer [2021-08-25 22:48:41,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:48:41,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:48:41,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:48:41,420 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:48:41,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:46:08" (3/4) ... [2021-08-25 22:48:41,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:48:41,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:48:41,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:48:41,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:48:41,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:48:41,579 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:48:41,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:48:41,581 INFO L168 Benchmark]: Toolchain (without parser) took 157065.35 ms. Allocated memory was 60.8 MB in the beginning and 9.2 GB in the end (delta: 9.1 GB). Free memory was 30.8 MB in the beginning and 2.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.8 GB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,581 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 43.0 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:48:41,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.42 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 30.6 MB in the beginning and 35.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.77 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 35.6 MB in the beginning and 56.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,583 INFO L168 Benchmark]: Boogie Preprocessor took 303.35 ms. Allocated memory is still 132.1 MB. Free memory was 56.7 MB in the beginning and 46.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,583 INFO L168 Benchmark]: RCFGBuilder took 2932.37 ms. Allocated memory was 132.1 MB in the beginning and 440.4 MB in the end (delta: 308.3 MB). Free memory was 46.6 MB in the beginning and 348.7 MB in the end (delta: -302.2 MB). Peak memory consumption was 172.5 MB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,583 INFO L168 Benchmark]: TraceAbstraction took 152504.15 ms. Allocated memory was 440.4 MB in the beginning and 9.2 GB in the end (delta: 8.7 GB). Free memory was 347.7 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,583 INFO L168 Benchmark]: Witness Printer took 160.13 ms. Allocated memory is still 9.2 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:48:41,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 43.0 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 854.42 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 30.6 MB in the beginning and 35.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 305.77 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 35.6 MB in the beginning and 56.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 303.35 ms. Allocated memory is still 132.1 MB. Free memory was 56.7 MB in the beginning and 46.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2932.37 ms. Allocated memory was 132.1 MB in the beginning and 440.4 MB in the end (delta: 308.3 MB). Free memory was 46.6 MB in the beginning and 348.7 MB in the end (delta: -302.2 MB). Peak memory consumption was 172.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 152504.15 ms. Allocated memory was 440.4 MB in the beginning and 9.2 GB in the end (delta: 8.7 GB). Free memory was 347.7 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.1 GB. * Witness Printer took 160.13 ms. Allocated memory is still 9.2 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.1 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: 171]: 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, 590 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 152433.5ms, OverallIterations: 37, TraceHistogramMax: 8, EmptinessCheckTime: 742.5ms, AutomataDifference: 89600.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 31313.6ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15205 SDtfs, 23026 SDslu, 3021 SDs, 0 SdLazy, 74297 SolverSat, 10430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65221.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2598 GetRequests, 2517 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 229.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70703occurred in iteration=36, InterpolantAutomatonStates: 143, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13052.5ms AutomataMinimizationTime, 37 MinimizatonAttempts, 154215 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 750 NumberOfFragments, 2032 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8171708 FormulaSimplificationTreeSizeReduction, 9684.5ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 2263660 FormulaSimplificationTreeSizeReductionInter, 21610.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 657.1ms SsaConstructionTime, 1924.1ms SatisfiabilityAnalysisTime, 12428.7ms InterpolantComputationTime, 26913 NumberOfCodeBlocks, 26913 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 26871 ConstructedInterpolants, 0 QuantifiedInterpolants, 58972 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3261 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 42 InterpolantComputations, 34 PerfectInterpolantSequences, 40241/41096 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: 34]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a21 <= 124 && a28 + 121 <= 0) && a26 + 278389 <= 0) && a24 == 2) && a14 + 181 < 0) || (((a26 <= 121 && a24 == 3) && a21 <= 124) && 86 <= a28)) || ((a21 <= 124 && a14 + 84 <= 0) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((((a21 <= 124 && a28 + 121 <= 0) && a24 == 2) && 218 <= a26) && 0 <= a14 + 600000)) || ((((((0 <= a26 + 67 && a24 == 3) && a21 <= 124) && a28 <= 111) && 0 < a14 + 114) && a26 <= 124) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && 86 <= a28) && a14 + 181 < 0) && 218 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 43)) || (((((300 <= a28 && a24 == 3) && a21 <= 124) && a14 + 181 < 0) && 0 <= a14 + 600000) && a28 <= 599997)) || (((a21 <= 124 && 86 <= a28) && a24 == 2) && a14 + 181 < 0)) || (a26 <= 215 && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((a21 <= 124 && a24 == 1) && a28 + 121 <= 0)) || (((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 133) && 38 <= a28)) || (a24 == 1 && a26 + 68 <= 0)) || (((a21 <= 124 && a24 == 2) && 38 <= a28) && a28 <= 599997)) || ((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((124 < a26 && a24 == 1) && a14 + 114 <= 0)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && a28 + 121 <= 0) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((((((a21 <= 124 && a24 == 2) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a26 <= 121) && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a28 <= 300)) || ((((a24 == 3 && a21 <= 124) && a28 + 121 <= 0) && a14 + 114 <= 0) && a26 + 68 <= 0)) || (((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 <= 321684) && 125 <= a26)) || ((a24 == 1 && a26 <= 215) && a28 <= 300)) || (((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 460652) && a14 + 114 <= 0) && 218 <= a26)) || (((a21 <= 124 && a24 == 2) && a14 + 181 < 0) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 <= 124) && a24 == 2) && 0 <= a14 + 83) && a28 <= 599997)) || (((((((a24 == 3 && a21 <= 124) && (217 < a26 || !(2 == input))) && a28 + 121 <= 0) && 0 < a14 + 182) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0) && 38 <= a28)) || (((((((a24 == 3 && a21 <= 124) && a28 <= 111) && a14 + 181 < 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || (86 <= a28 && (((a21 <= 124 && a26 <= 460652) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114))) || (((a21 <= 124 && a24 == 1) && a26 <= 559736) && a28 <= 300)))) || (a24 == 1 && a14 + 181 < 0)) || ((((((a21 <= 124 && 0 < a14 + 114) && a26 <= 559736) && a24 == 2) && a14 + 84 <= 0) && 218 <= a26) && a28 <= 599997) - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a21 <= 124 && a28 + 121 <= 0) && a26 + 278389 <= 0) && a24 == 2) && a14 + 181 < 0) || (((a26 <= 121 && a24 == 3) && a21 <= 124) && 86 <= a28)) || ((a21 <= 124 && a14 + 84 <= 0) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((((a21 <= 124 && a28 + 121 <= 0) && a24 == 2) && 218 <= a26) && 0 <= a14 + 600000)) || ((((((0 <= a26 + 67 && a24 == 3) && a21 <= 124) && a28 <= 111) && 0 < a14 + 114) && a26 <= 124) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && 86 <= a28) && a14 + 181 < 0) && 218 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 43)) || (((((300 <= a28 && a24 == 3) && a21 <= 124) && a14 + 181 < 0) && 0 <= a14 + 600000) && a28 <= 599997)) || (((a21 <= 124 && 86 <= a28) && a24 == 2) && a14 + 181 < 0)) || (a26 <= 215 && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((a21 <= 124 && a24 == 1) && a28 + 121 <= 0)) || (((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 133) && 38 <= a28)) || (a24 == 1 && a26 + 68 <= 0)) || (((a21 <= 124 && a24 == 2) && 38 <= a28) && a28 <= 599997)) || ((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((124 < a26 && a24 == 1) && a14 + 114 <= 0)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && a28 + 121 <= 0) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((((((a21 <= 124 && a24 == 2) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a26 <= 121) && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a28 <= 300)) || ((((a24 == 3 && a21 <= 124) && a28 + 121 <= 0) && a14 + 114 <= 0) && a26 + 68 <= 0)) || (((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 <= 321684) && 125 <= a26)) || ((a24 == 1 && a26 <= 215) && a28 <= 300)) || (((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 460652) && a14 + 114 <= 0) && 218 <= a26)) || (((a21 <= 124 && a24 == 2) && a14 + 181 < 0) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 <= 124) && a24 == 2) && 0 <= a14 + 83) && a28 <= 599997)) || (((((((a24 == 3 && a21 <= 124) && (217 < a26 || !(2 == input))) && a28 + 121 <= 0) && 0 < a14 + 182) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0) && 38 <= a28)) || (((((((a24 == 3 && a21 <= 124) && a28 <= 111) && a14 + 181 < 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || (86 <= a28 && (((a21 <= 124 && a26 <= 460652) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114))) || (((a21 <= 124 && a24 == 1) && a26 <= 559736) && a28 <= 300)))) || (a24 == 1 && a14 + 181 < 0)) || ((((((a21 <= 124 && 0 < a14 + 114) && a26 <= 559736) && a24 == 2) && a14 + 84 <= 0) && 218 <= a26) && a28 <= 599997) - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a21 <= 124 && a28 + 121 <= 0) && a26 + 278389 <= 0) && a24 == 2) && a14 + 181 < 0) || (((a26 <= 121 && a24 == 3) && a21 <= 124) && 86 <= a28)) || ((a21 <= 124 && a14 + 84 <= 0) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((((a21 <= 124 && a28 + 121 <= 0) && a24 == 2) && 218 <= a26) && 0 <= a14 + 600000)) || ((((((0 <= a26 + 67 && a24 == 3) && a21 <= 124) && a28 <= 111) && 0 < a14 + 114) && a26 <= 124) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && 86 <= a28) && a14 + 181 < 0) && 218 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 43)) || (((((300 <= a28 && a24 == 3) && a21 <= 124) && a14 + 181 < 0) && 0 <= a14 + 600000) && a28 <= 599997)) || (((a21 <= 124 && 86 <= a28) && a24 == 2) && a14 + 181 < 0)) || (a26 <= 215 && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114)))) || ((a21 <= 124 && a24 == 1) && a28 + 121 <= 0)) || (((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 133) && 38 <= a28)) || (a24 == 1 && a26 + 68 <= 0)) || (((a21 <= 124 && a24 == 2) && 38 <= a28) && a28 <= 599997)) || ((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((124 < a26 && a24 == 1) && a14 + 114 <= 0)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && a28 + 121 <= 0) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0)) || ((((((a21 <= 124 && a24 == 2) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26) && 0 <= a14 + 600000) && a28 <= 599997)) || (((((0 <= a26 + 67 && a26 <= 121) && a21 <= 124) && 0 < a14 + 182) && a24 == 2) && a28 <= 300)) || ((((a24 == 3 && a21 <= 124) && a28 + 121 <= 0) && a14 + 114 <= 0) && a26 + 68 <= 0)) || (((((a21 <= 124 && 0 < a14 + 114) && a24 == 2) && a14 + 84 <= 0) && a26 <= 321684) && 125 <= a26)) || ((a24 == 1 && a26 <= 215) && a28 <= 300)) || (((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 460652) && a14 + 114 <= 0) && 218 <= a26)) || (((a21 <= 124 && a24 == 2) && a14 + 181 < 0) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 <= 124) && a24 == 2) && 0 <= a14 + 83) && a28 <= 599997)) || (((((((a24 == 3 && a21 <= 124) && (217 < a26 || !(2 == input))) && a28 + 121 <= 0) && 0 < a14 + 182) && a14 + 114 <= 0) && a26 <= 321684) && 125 <= a26)) || ((((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 114) && a14 + 84 <= 0) && a26 + 68 <= 0) && 38 <= a28)) || (((((((a24 == 3 && a21 <= 124) && a28 <= 111) && a14 + 181 < 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || (86 <= a28 && (((a21 <= 124 && a26 <= 460652) && ((124 < a26 && a24 == 1) || (a24 == 1 && 0 < a14 + 114))) || (((a21 <= 124 && a24 == 1) && a26 <= 559736) && a28 <= 300)))) || (a24 == 1 && a14 + 181 < 0)) || ((((((a21 <= 124 && 0 < a14 + 114) && a26 <= 559736) && a24 == 2) && a14 + 84 <= 0) && 218 <= a26) && a28 <= 599997) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:48:41,616 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...