./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label16.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/Problem15_label16.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 9fd00e758e7a586f4a96b8dd9d34b631314dd3e8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:12:21,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:12:21,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:12:22,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:12:22,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:12:22,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:12:22,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:12:22,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:12:22,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:12:22,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:12:22,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:12:22,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:12:22,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:12:22,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:12:22,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:12:22,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:12:22,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:12:22,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:12:22,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:12:22,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:12:22,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:12:22,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:12:22,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:12:22,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:12:22,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:12:22,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:12:22,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:12:22,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:12:22,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:12:22,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:12:22,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:12:22,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:12:22,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:12:22,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:12:22,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:12:22,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:12:22,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:12:22,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:12:22,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:12:22,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:12:22,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:12:22,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:12:22,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:12:22,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:12:22,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:12:22,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:12:22,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:12:22,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:12:22,099 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:12:22,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:12:22,099 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:12:22,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:12:22,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:12:22,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:12:22,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:12:22,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:12:22,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:12:22,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:12:22,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:12:22,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:12:22,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:12:22,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:12:22,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:12:22,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:12:22,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:12:22,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:12:22,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:12:22,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fd00e758e7a586f4a96b8dd9d34b631314dd3e8 [2021-08-25 22:12:22,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:12:22,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:12:22,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:12:22,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:12:22,416 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:12:22,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2021-08-25 22:12:22,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c4125760/b49eb78c2f6c437d8b8ec47e9ff56c50/FLAGae76c66b9 [2021-08-25 22:12:22,978 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:12:22,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2021-08-25 22:12:22,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c4125760/b49eb78c2f6c437d8b8ec47e9ff56c50/FLAGae76c66b9 [2021-08-25 22:12:23,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c4125760/b49eb78c2f6c437d8b8ec47e9ff56c50 [2021-08-25 22:12:23,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:12:23,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:12:23,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:12:23,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:12:23,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:12:23,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:12:23" (1/1) ... [2021-08-25 22:12:23,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10209061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:23, skipping insertion in model container [2021-08-25 22:12:23,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:12:23" (1/1) ... [2021-08-25 22:12:23,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:12:23,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:12:23,740 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/Problem15_label16.c[7550,7563] [2021-08-25 22:12:24,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:12:24,018 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:12:24,047 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/Problem15_label16.c[7550,7563] [2021-08-25 22:12:24,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:12:24,179 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:12:24,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24 WrapperNode [2021-08-25 22:12:24,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:12:24,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:12:24,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:12:24,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:12:24,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:12:24,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:12:24,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:12:24,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:12:24,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:12:24,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:12:24,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:12:24,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:12:24,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (1/1) ... [2021-08-25 22:12:24,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:12:24,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:24,574 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 22:12:24,607 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 22:12:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:12:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:12:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:12:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:12:26,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:12:26,930 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:12:26,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:26 BoogieIcfgContainer [2021-08-25 22:12:26,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:12:26,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:12:26,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:12:26,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:12:26,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:12:23" (1/3) ... [2021-08-25 22:12:26,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6657c123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:12:26, skipping insertion in model container [2021-08-25 22:12:26,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:24" (2/3) ... [2021-08-25 22:12:26,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6657c123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:12:26, skipping insertion in model container [2021-08-25 22:12:26,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:26" (3/3) ... [2021-08-25 22:12:26,938 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label16.c [2021-08-25 22:12:26,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:12:26,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:12:26,971 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:12:26,975 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 22:12:26,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:12:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 22:12:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-08-25 22:12:27,013 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:27,013 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:27,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:27,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:27,017 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-08-25 22:12:27,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:27,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405866336] [2021-08-25 22:12:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:27,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:27,181 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 22:12:27,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:27,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405866336] [2021-08-25 22:12:27,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405866336] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:27,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:27,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:27,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489467952] [2021-08-25 22:12:27,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:27,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:27,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:27,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:27,196 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 22:12:28,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:28,916 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-08-25 22:12:28,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:28,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-08-25 22:12:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:28,927 INFO L225 Difference]: With dead ends: 1155 [2021-08-25 22:12:28,928 INFO L226 Difference]: Without dead ends: 667 [2021-08-25 22:12:28,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:28,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-08-25 22:12:28,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-08-25 22:12:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 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 22:12:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-08-25 22:12:28,990 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 62 [2021-08-25 22:12:28,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:28,991 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-08-25 22:12:28,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 22:12:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-08-25 22:12:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-08-25 22:12:28,997 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:28,998 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:28,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:12:28,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:28,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:28,999 INFO L82 PathProgramCache]: Analyzing trace with hash -796528411, now seen corresponding path program 1 times [2021-08-25 22:12:28,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:28,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826647033] [2021-08-25 22:12:28,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:28,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:29,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:29,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826647033] [2021-08-25 22:12:29,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826647033] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:29,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:29,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:29,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575234099] [2021-08-25 22:12:29,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:29,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:29,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:29,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:29,121 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 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 22:12:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:31,007 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-08-25 22:12:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:31,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 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 137 [2021-08-25 22:12:31,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:31,012 INFO L225 Difference]: With dead ends: 1955 [2021-08-25 22:12:31,012 INFO L226 Difference]: Without dead ends: 1292 [2021-08-25 22:12:31,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:31,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-08-25 22:12:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-08-25 22:12:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 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 22:12:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-08-25 22:12:31,038 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 137 [2021-08-25 22:12:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:31,039 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-08-25 22:12:31,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 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 22:12:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-08-25 22:12:31,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-08-25 22:12:31,041 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:31,041 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, 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] [2021-08-25 22:12:31,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:12:31,041 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:31,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1624626917, now seen corresponding path program 1 times [2021-08-25 22:12:31,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:31,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244496506] [2021-08-25 22:12:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:31,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:31,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:31,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244496506] [2021-08-25 22:12:31,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244496506] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:31,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:31,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:31,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897876353] [2021-08-25 22:12:31,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:31,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:31,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:31,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:31,118 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:32,752 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-08-25 22:12:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:32,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2021-08-25 22:12:32,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:32,760 INFO L225 Difference]: With dead ends: 3764 [2021-08-25 22:12:32,760 INFO L226 Difference]: Without dead ends: 2484 [2021-08-25 22:12:32,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:12:32,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-08-25 22:12:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-08-25 22:12:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 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 22:12:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-08-25 22:12:32,788 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 141 [2021-08-25 22:12:32,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:32,789 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-08-25 22:12:32,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:32,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-08-25 22:12:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-08-25 22:12:32,791 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:32,792 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:32,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:12:32,792 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:32,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash 146795855, now seen corresponding path program 1 times [2021-08-25 22:12:32,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:32,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943540862] [2021-08-25 22:12:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:32,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-08-25 22:12:32,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:32,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943540862] [2021-08-25 22:12:32,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943540862] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:32,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:32,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:32,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521457998] [2021-08-25 22:12:32,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:32,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:32,894 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 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 22:12:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:34,112 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-08-25 22:12:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 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 232 [2021-08-25 22:12:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:34,123 INFO L225 Difference]: With dead ends: 6166 [2021-08-25 22:12:34,123 INFO L226 Difference]: Without dead ends: 3986 [2021-08-25 22:12:34,126 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:12:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-08-25 22:12:34,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-08-25 22:12:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 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 22:12:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-08-25 22:12:34,196 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 232 [2021-08-25 22:12:34,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:34,196 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-08-25 22:12:34,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 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 22:12:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-08-25 22:12:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-08-25 22:12:34,200 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:34,200 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:34,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:12:34,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:34,201 INFO L82 PathProgramCache]: Analyzing trace with hash 81110933, now seen corresponding path program 1 times [2021-08-25 22:12:34,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:34,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11788532] [2021-08-25 22:12:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:34,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-25 22:12:34,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:34,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11788532] [2021-08-25 22:12:34,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11788532] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:34,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:34,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:34,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800650060] [2021-08-25 22:12:34,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:34,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:34,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:34,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:34,389 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 22:12:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:35,670 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-08-25 22:12:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:35,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 334 [2021-08-25 22:12:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:35,680 INFO L225 Difference]: With dead ends: 7661 [2021-08-25 22:12:35,680 INFO L226 Difference]: Without dead ends: 3981 [2021-08-25 22:12:35,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-08-25 22:12:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-08-25 22:12:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 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 22:12:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-08-25 22:12:35,727 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 334 [2021-08-25 22:12:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:35,727 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-08-25 22:12:35,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 22:12:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-08-25 22:12:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-08-25 22:12:35,731 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:35,731 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, 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] [2021-08-25 22:12:35,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:12:35,731 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:35,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:35,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2004983654, now seen corresponding path program 1 times [2021-08-25 22:12:35,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:35,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686933506] [2021-08-25 22:12:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:35,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:12:35,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:35,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686933506] [2021-08-25 22:12:35,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686933506] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:35,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:35,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:35,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606538528] [2021-08-25 22:12:35,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:35,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:35,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:35,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:35,831 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 22:12:37,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:37,193 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2021-08-25 22:12:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:37,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 349 [2021-08-25 22:12:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:37,224 INFO L225 Difference]: With dead ends: 9465 [2021-08-25 22:12:37,224 INFO L226 Difference]: Without dead ends: 5785 [2021-08-25 22:12:37,228 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 22:12:37,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-08-25 22:12:37,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-08-25 22:12:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 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 22:12:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2021-08-25 22:12:37,289 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 349 [2021-08-25 22:12:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:37,289 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2021-08-25 22:12:37,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 22:12:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2021-08-25 22:12:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-08-25 22:12:37,294 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:37,294 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:37,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:12:37,295 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:37,295 INFO L82 PathProgramCache]: Analyzing trace with hash -320576153, now seen corresponding path program 1 times [2021-08-25 22:12:37,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:37,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97486168] [2021-08-25 22:12:37,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:37,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-25 22:12:37,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:37,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97486168] [2021-08-25 22:12:37,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97486168] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:37,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:37,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:37,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918875219] [2021-08-25 22:12:37,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:37,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:37,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:37,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:37,422 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 22:12:38,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:38,795 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2021-08-25 22:12:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 408 [2021-08-25 22:12:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:38,817 INFO L225 Difference]: With dead ends: 13364 [2021-08-25 22:12:38,817 INFO L226 Difference]: Without dead ends: 7882 [2021-08-25 22:12:38,824 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 22:12:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2021-08-25 22:12:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2021-08-25 22:12:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 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 22:12:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2021-08-25 22:12:38,907 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 408 [2021-08-25 22:12:38,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:38,908 INFO L470 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2021-08-25 22:12:38,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 22:12:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2021-08-25 22:12:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-08-25 22:12:38,913 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:38,913 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, 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] [2021-08-25 22:12:38,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:12:38,914 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:38,914 INFO L82 PathProgramCache]: Analyzing trace with hash -416528072, now seen corresponding path program 1 times [2021-08-25 22:12:38,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:38,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345426446] [2021-08-25 22:12:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:38,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:12:39,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:39,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345426446] [2021-08-25 22:12:39,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345426446] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:39,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:39,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:39,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455891819] [2021-08-25 22:12:39,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:39,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:39,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:39,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:39,028 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 22:12:40,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:40,562 INFO L93 Difference]: Finished difference Result 16069 states and 18814 transitions. [2021-08-25 22:12:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:40,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 423 [2021-08-25 22:12:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:40,616 INFO L225 Difference]: With dead ends: 16069 [2021-08-25 22:12:40,616 INFO L226 Difference]: Without dead ends: 9086 [2021-08-25 22:12:40,621 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 22:12:40,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2021-08-25 22:12:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 8481. [2021-08-25 22:12:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8481 states, 8480 states have (on average 1.1379716981132075) internal successors, (9650), 8480 states have internal predecessors, (9650), 0 states have call successors, (0), 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 22:12:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8481 states to 8481 states and 9650 transitions. [2021-08-25 22:12:40,712 INFO L78 Accepts]: Start accepts. Automaton has 8481 states and 9650 transitions. Word has length 423 [2021-08-25 22:12:40,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:40,713 INFO L470 AbstractCegarLoop]: Abstraction has 8481 states and 9650 transitions. [2021-08-25 22:12:40,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 22:12:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 8481 states and 9650 transitions. [2021-08-25 22:12:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-08-25 22:12:40,719 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:40,720 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:40,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:12:40,720 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:40,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1543863763, now seen corresponding path program 1 times [2021-08-25 22:12:40,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:40,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745695889] [2021-08-25 22:12:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:40,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 424 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-25 22:12:40,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:40,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745695889] [2021-08-25 22:12:40,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745695889] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:40,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873011375] [2021-08-25 22:12:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:40,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:40,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:40,925 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 22:12:40,927 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 22:12:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:41,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:12:41,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-08-25 22:12:42,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873011375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:42,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:12:42,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:12:42,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265983446] [2021-08-25 22:12:42,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:42,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:42,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:42,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:42,237 INFO L87 Difference]: Start difference. First operand 8481 states and 9650 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 22:12:43,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:43,698 INFO L93 Difference]: Finished difference Result 19651 states and 22543 transitions. [2021-08-25 22:12:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:43,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 513 [2021-08-25 22:12:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:43,718 INFO L225 Difference]: With dead ends: 19651 [2021-08-25 22:12:43,718 INFO L226 Difference]: Without dead ends: 11471 [2021-08-25 22:12:43,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:43,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2021-08-25 22:12:43,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 7578. [2021-08-25 22:12:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1486076283489508) internal successors, (8703), 7577 states have internal predecessors, (8703), 0 states have call successors, (0), 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 22:12:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8703 transitions. [2021-08-25 22:12:43,814 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8703 transitions. Word has length 513 [2021-08-25 22:12:43,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:43,814 INFO L470 AbstractCegarLoop]: Abstraction has 7578 states and 8703 transitions. [2021-08-25 22:12:43,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 22:12:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8703 transitions. [2021-08-25 22:12:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-08-25 22:12:43,819 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:43,819 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:43,838 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 22:12:44,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:44,033 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:44,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:44,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1587144653, now seen corresponding path program 1 times [2021-08-25 22:12:44,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:44,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379547488] [2021-08-25 22:12:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:44,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-08-25 22:12:44,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:44,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379547488] [2021-08-25 22:12:44,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379547488] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:44,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123809086] [2021-08-25 22:12:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:44,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:44,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:44,179 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 22:12:44,181 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 22:12:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:44,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:12:44,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-25 22:12:45,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123809086] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:45,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:12:45,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:12:45,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662513231] [2021-08-25 22:12:45,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:45,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:45,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:45,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:45,495 INFO L87 Difference]: Start difference. First operand 7578 states and 8703 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:46,908 INFO L93 Difference]: Finished difference Result 17246 states and 20055 transitions. [2021-08-25 22:12:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546 [2021-08-25 22:12:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:46,922 INFO L225 Difference]: With dead ends: 17246 [2021-08-25 22:12:46,922 INFO L226 Difference]: Without dead ends: 9969 [2021-08-25 22:12:46,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2021-08-25 22:12:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2021-08-25 22:12:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1499799357945426) internal successors, (11463), 9968 states have internal predecessors, (11463), 0 states have call successors, (0), 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 22:12:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11463 transitions. [2021-08-25 22:12:47,018 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11463 transitions. Word has length 546 [2021-08-25 22:12:47,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:47,018 INFO L470 AbstractCegarLoop]: Abstraction has 9969 states and 11463 transitions. [2021-08-25 22:12:47,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11463 transitions. [2021-08-25 22:12:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2021-08-25 22:12:47,023 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:47,023 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:47,047 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 22:12:47,236 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 22:12:47,237 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:47,237 INFO L82 PathProgramCache]: Analyzing trace with hash 703199593, now seen corresponding path program 1 times [2021-08-25 22:12:47,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:47,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784120688] [2021-08-25 22:12:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:47,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-25 22:12:47,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:47,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784120688] [2021-08-25 22:12:47,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784120688] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:47,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:47,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:47,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546143904] [2021-08-25 22:12:47,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:47,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:47,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:47,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:47,379 INFO L87 Difference]: Start difference. First operand 9969 states and 11463 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 22:12:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:48,918 INFO L93 Difference]: Finished difference Result 24136 states and 28002 transitions. [2021-08-25 22:12:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:48,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 550 [2021-08-25 22:12:48,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:48,937 INFO L225 Difference]: With dead ends: 24136 [2021-08-25 22:12:48,937 INFO L226 Difference]: Without dead ends: 14468 [2021-08-25 22:12:48,946 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 22:12:48,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2021-08-25 22:12:49,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2021-08-25 22:12:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1348449530267712) internal successors, (16066), 14157 states have internal predecessors, (16066), 0 states have call successors, (0), 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 22:12:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16066 transitions. [2021-08-25 22:12:49,115 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16066 transitions. Word has length 550 [2021-08-25 22:12:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:49,116 INFO L470 AbstractCegarLoop]: Abstraction has 14158 states and 16066 transitions. [2021-08-25 22:12:49,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 22:12:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16066 transitions. [2021-08-25 22:12:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-08-25 22:12:49,125 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:49,126 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, 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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:49,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:12:49,126 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:49,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:49,127 INFO L82 PathProgramCache]: Analyzing trace with hash -740853774, now seen corresponding path program 1 times [2021-08-25 22:12:49,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:49,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597573381] [2021-08-25 22:12:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:49,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2021-08-25 22:12:49,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:49,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597573381] [2021-08-25 22:12:49,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597573381] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:49,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73153299] [2021-08-25 22:12:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:49,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:49,285 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 22:12:49,302 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 22:12:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:49,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:12:49,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-25 22:12:50,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73153299] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:50,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:12:50,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:12:50,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911052113] [2021-08-25 22:12:50,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:50,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:50,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:50,892 INFO L87 Difference]: Start difference. First operand 14158 states and 16066 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:12:52,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:52,144 INFO L93 Difference]: Finished difference Result 27712 states and 31490 transitions. [2021-08-25 22:12:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:52,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 625 [2021-08-25 22:12:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:52,159 INFO L225 Difference]: With dead ends: 27712 [2021-08-25 22:12:52,159 INFO L226 Difference]: Without dead ends: 13855 [2021-08-25 22:12:52,172 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:12:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2021-08-25 22:12:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13854. [2021-08-25 22:12:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13853 states have (on average 1.081642965422652) internal successors, (14984), 13853 states have internal predecessors, (14984), 0 states have call successors, (0), 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 22:12:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 14984 transitions. [2021-08-25 22:12:52,287 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 14984 transitions. Word has length 625 [2021-08-25 22:12:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:52,288 INFO L470 AbstractCegarLoop]: Abstraction has 13854 states and 14984 transitions. [2021-08-25 22:12:52,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:12:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 14984 transitions. [2021-08-25 22:12:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-08-25 22:12:52,296 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:52,297 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, 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, 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] [2021-08-25 22:12:52,317 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 22:12:52,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:52,518 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:52,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:52,519 INFO L82 PathProgramCache]: Analyzing trace with hash -939629100, now seen corresponding path program 1 times [2021-08-25 22:12:52,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:52,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80071316] [2021-08-25 22:12:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:52,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-08-25 22:12:52,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:52,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80071316] [2021-08-25 22:12:52,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80071316] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:52,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125991345] [2021-08-25 22:12:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:52,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:52,656 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 22:12:52,700 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 22:12:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:53,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:12:53,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-08-25 22:12:55,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125991345] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:55,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:55,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:12:55,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676779876] [2021-08-25 22:12:55,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:12:55,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:55,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:12:55,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:12:55,083 INFO L87 Difference]: Start difference. First operand 13854 states and 14984 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 22:12:59,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:59,596 INFO L93 Difference]: Finished difference Result 34985 states and 37811 transitions. [2021-08-25 22:12:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:12:59,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 626 [2021-08-25 22:12:59,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:59,617 INFO L225 Difference]: With dead ends: 34985 [2021-08-25 22:12:59,618 INFO L226 Difference]: Without dead ends: 16544 [2021-08-25 22:12:59,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 44.6ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-25 22:12:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16544 states. [2021-08-25 22:12:59,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16544 to 12357. [2021-08-25 22:12:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.043946260925866) internal successors, (12899), 12356 states have internal predecessors, (12899), 0 states have call successors, (0), 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 22:12:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12899 transitions. [2021-08-25 22:12:59,747 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12899 transitions. Word has length 626 [2021-08-25 22:12:59,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:59,747 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12899 transitions. [2021-08-25 22:12:59,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 22:12:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12899 transitions. [2021-08-25 22:12:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-08-25 22:12:59,754 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:59,755 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:59,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:59,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:59,969 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:59,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:59,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1874022056, now seen corresponding path program 1 times [2021-08-25 22:12:59,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:59,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932225276] [2021-08-25 22:12:59,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:59,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 263 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:13:00,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:00,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932225276] [2021-08-25 22:13:00,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932225276] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:00,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795167174] [2021-08-25 22:13:00,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:00,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:00,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:00,209 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 22:13:00,240 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 22:13:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:01,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:01,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 448 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:13:02,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795167174] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:02,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:02,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-25 22:13:02,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492069827] [2021-08-25 22:13:02,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 22:13:02,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:02,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 22:13:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:13:02,595 INFO L87 Difference]: Start difference. First operand 12357 states and 12899 transitions. Second operand has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 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 22:13:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:09,706 INFO L93 Difference]: Finished difference Result 37256 states and 38867 transitions. [2021-08-25 22:13:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-25 22:13:09,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 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 663 [2021-08-25 22:13:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:09,728 INFO L225 Difference]: With dead ends: 37256 [2021-08-25 22:13:09,728 INFO L226 Difference]: Without dead ends: 24599 [2021-08-25 22:13:09,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 229.0ms TimeCoverageRelationStatistics Valid=189, Invalid=741, Unknown=0, NotChecked=0, Total=930 [2021-08-25 22:13:09,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24599 states. [2021-08-25 22:13:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24599 to 18048. [2021-08-25 22:13:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18048 states, 18047 states have (on average 1.0418352080678228) internal successors, (18802), 18047 states have internal predecessors, (18802), 0 states have call successors, (0), 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 22:13:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18048 states to 18048 states and 18802 transitions. [2021-08-25 22:13:09,921 INFO L78 Accepts]: Start accepts. Automaton has 18048 states and 18802 transitions. Word has length 663 [2021-08-25 22:13:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:09,922 INFO L470 AbstractCegarLoop]: Abstraction has 18048 states and 18802 transitions. [2021-08-25 22:13:09,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 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 22:13:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 18048 states and 18802 transitions. [2021-08-25 22:13:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-08-25 22:13:09,931 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:09,931 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:09,953 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 22:13:10,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-25 22:13:10,149 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:10,149 INFO L82 PathProgramCache]: Analyzing trace with hash -992338311, now seen corresponding path program 1 times [2021-08-25 22:13:10,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:10,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424654786] [2021-08-25 22:13:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:10,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-08-25 22:13:10,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:10,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424654786] [2021-08-25 22:13:10,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424654786] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:10,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:10,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:10,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276957111] [2021-08-25 22:13:10,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:10,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:10,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:10,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:10,308 INFO L87 Difference]: Start difference. First operand 18048 states and 18802 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 22:13:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:11,305 INFO L93 Difference]: Finished difference Result 36391 states and 37913 transitions. [2021-08-25 22:13:11,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:11,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 730 [2021-08-25 22:13:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:11,319 INFO L225 Difference]: With dead ends: 36391 [2021-08-25 22:13:11,319 INFO L226 Difference]: Without dead ends: 18345 [2021-08-25 22:13:11,326 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 22:13:11,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2021-08-25 22:13:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 18046. [2021-08-25 22:13:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18046 states, 18045 states have (on average 1.0417290108063175) internal successors, (18798), 18045 states have internal predecessors, (18798), 0 states have call successors, (0), 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 22:13:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18046 states to 18046 states and 18798 transitions. [2021-08-25 22:13:11,459 INFO L78 Accepts]: Start accepts. Automaton has 18046 states and 18798 transitions. Word has length 730 [2021-08-25 22:13:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:11,460 INFO L470 AbstractCegarLoop]: Abstraction has 18046 states and 18798 transitions. [2021-08-25 22:13:11,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 22:13:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 18046 states and 18798 transitions. [2021-08-25 22:13:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2021-08-25 22:13:11,468 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:11,469 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:11,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:13:11,469 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:11,469 INFO L82 PathProgramCache]: Analyzing trace with hash 963041702, now seen corresponding path program 1 times [2021-08-25 22:13:11,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:11,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075618682] [2021-08-25 22:13:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:11,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-25 22:13:11,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:11,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075618682] [2021-08-25 22:13:11,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075618682] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:11,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:11,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:11,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668043649] [2021-08-25 22:13:11,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:11,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:11,621 INFO L87 Difference]: Start difference. First operand 18046 states and 18798 transitions. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 22:13:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:12,787 INFO L93 Difference]: Finished difference Result 41769 states and 43507 transitions. [2021-08-25 22:13:12,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:12,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 759 [2021-08-25 22:13:12,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:12,811 INFO L225 Difference]: With dead ends: 41769 [2021-08-25 22:13:12,811 INFO L226 Difference]: Without dead ends: 23426 [2021-08-25 22:13:12,823 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 22:13:12,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2021-08-25 22:13:13,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 22529. [2021-08-25 22:13:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22529 states, 22528 states have (on average 1.0376420454545454) internal successors, (23376), 22528 states have internal predecessors, (23376), 0 states have call successors, (0), 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 22:13:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22529 states to 22529 states and 23376 transitions. [2021-08-25 22:13:13,072 INFO L78 Accepts]: Start accepts. Automaton has 22529 states and 23376 transitions. Word has length 759 [2021-08-25 22:13:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:13,073 INFO L470 AbstractCegarLoop]: Abstraction has 22529 states and 23376 transitions. [2021-08-25 22:13:13,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 22:13:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22529 states and 23376 transitions. [2021-08-25 22:13:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2021-08-25 22:13:13,083 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:13,083 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, 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, 3, 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, 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] [2021-08-25 22:13:13,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:13:13,084 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:13,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:13,084 INFO L82 PathProgramCache]: Analyzing trace with hash 606921686, now seen corresponding path program 1 times [2021-08-25 22:13:13,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:13,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49645988] [2021-08-25 22:13:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:13,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2021-08-25 22:13:13,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:13,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49645988] [2021-08-25 22:13:13,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49645988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:13,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:13,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:13,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356395407] [2021-08-25 22:13:13,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:13,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:13,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:13,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:13,255 INFO L87 Difference]: Start difference. First operand 22529 states and 23376 transitions. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 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 22:13:14,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:14,755 INFO L93 Difference]: Finished difference Result 51041 states and 52984 transitions. [2021-08-25 22:13:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:14,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 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 784 [2021-08-25 22:13:14,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:14,786 INFO L225 Difference]: With dead ends: 51041 [2021-08-25 22:13:14,786 INFO L226 Difference]: Without dead ends: 28514 [2021-08-25 22:13:14,799 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 22:13:14,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28514 states. [2021-08-25 22:13:14,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28514 to 23722. [2021-08-25 22:13:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23722 states, 23721 states have (on average 1.0355381307702036) internal successors, (24564), 23721 states have internal predecessors, (24564), 0 states have call successors, (0), 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 22:13:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23722 states to 23722 states and 24564 transitions. [2021-08-25 22:13:15,012 INFO L78 Accepts]: Start accepts. Automaton has 23722 states and 24564 transitions. Word has length 784 [2021-08-25 22:13:15,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:15,012 INFO L470 AbstractCegarLoop]: Abstraction has 23722 states and 24564 transitions. [2021-08-25 22:13:15,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 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 22:13:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 23722 states and 24564 transitions. [2021-08-25 22:13:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2021-08-25 22:13:15,023 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:15,024 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, 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, 4, 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, 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] [2021-08-25 22:13:15,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:13:15,024 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:15,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:15,025 INFO L82 PathProgramCache]: Analyzing trace with hash 151158610, now seen corresponding path program 1 times [2021-08-25 22:13:15,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:15,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296828985] [2021-08-25 22:13:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:15,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 928 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-08-25 22:13:15,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:15,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296828985] [2021-08-25 22:13:15,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296828985] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:15,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:15,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:15,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843532320] [2021-08-25 22:13:15,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:15,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:15,208 INFO L87 Difference]: Start difference. First operand 23722 states and 24564 transitions. Second operand has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 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 22:13:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:16,671 INFO L93 Difference]: Finished difference Result 49234 states and 50989 transitions. [2021-08-25 22:13:16,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:16,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 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 791 [2021-08-25 22:13:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:16,696 INFO L225 Difference]: With dead ends: 49234 [2021-08-25 22:13:16,696 INFO L226 Difference]: Without dead ends: 25514 [2021-08-25 22:13:16,710 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 22:13:16,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2021-08-25 22:13:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 23117. [2021-08-25 22:13:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23117 states, 23116 states have (on average 1.0295466343658073) internal successors, (23799), 23116 states have internal predecessors, (23799), 0 states have call successors, (0), 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 22:13:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23117 states to 23117 states and 23799 transitions. [2021-08-25 22:13:16,912 INFO L78 Accepts]: Start accepts. Automaton has 23117 states and 23799 transitions. Word has length 791 [2021-08-25 22:13:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:16,912 INFO L470 AbstractCegarLoop]: Abstraction has 23117 states and 23799 transitions. [2021-08-25 22:13:16,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 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 22:13:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 23117 states and 23799 transitions. [2021-08-25 22:13:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-08-25 22:13:16,924 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:16,924 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:16,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:13:16,924 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:16,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:16,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1610032020, now seen corresponding path program 1 times [2021-08-25 22:13:16,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:16,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730263982] [2021-08-25 22:13:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:16,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 424 proven. 60 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2021-08-25 22:13:17,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:17,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730263982] [2021-08-25 22:13:17,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730263982] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:17,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886443656] [2021-08-25 22:13:17,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:17,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:17,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:17,163 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:13:17,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 22:13:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:18,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:13:18,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2021-08-25 22:13:19,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886443656] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:19,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:13:19,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 22:13:19,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661656808] [2021-08-25 22:13:19,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:19,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:19,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:13:19,849 INFO L87 Difference]: Start difference. First operand 23117 states and 23799 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 22:13:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:20,784 INFO L93 Difference]: Finished difference Result 48327 states and 49728 transitions. [2021-08-25 22:13:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:20,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 22:13:20,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:20,806 INFO L225 Difference]: With dead ends: 48327 [2021-08-25 22:13:20,806 INFO L226 Difference]: Without dead ends: 24614 [2021-08-25 22:13:20,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:13:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24614 states. [2021-08-25 22:13:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24614 to 24314. [2021-08-25 22:13:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24314 states, 24313 states have (on average 1.0285855303746967) internal successors, (25008), 24313 states have internal predecessors, (25008), 0 states have call successors, (0), 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 22:13:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24314 states to 24314 states and 25008 transitions. [2021-08-25 22:13:21,013 INFO L78 Accepts]: Start accepts. Automaton has 24314 states and 25008 transitions. Word has length 808 [2021-08-25 22:13:21,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:21,013 INFO L470 AbstractCegarLoop]: Abstraction has 24314 states and 25008 transitions. [2021-08-25 22:13:21,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 22:13:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24314 states and 25008 transitions. [2021-08-25 22:13:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-08-25 22:13:21,025 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:21,026 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:21,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:21,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:21,237 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:21,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:21,238 INFO L82 PathProgramCache]: Analyzing trace with hash -886074036, now seen corresponding path program 1 times [2021-08-25 22:13:21,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:21,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483234674] [2021-08-25 22:13:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:21,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-08-25 22:13:21,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:21,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483234674] [2021-08-25 22:13:21,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483234674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:21,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:21,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:21,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624523206] [2021-08-25 22:13:21,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:21,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:21,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:21,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:21,444 INFO L87 Difference]: Start difference. First operand 24314 states and 25008 transitions. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 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 22:13:23,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:23,237 INFO L93 Difference]: Finished difference Result 59430 states and 61122 transitions. [2021-08-25 22:13:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:23,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 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 839 [2021-08-25 22:13:23,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:23,271 INFO L225 Difference]: With dead ends: 59430 [2021-08-25 22:13:23,271 INFO L226 Difference]: Without dead ends: 34819 [2021-08-25 22:13:23,288 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 22:13:23,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34819 states. [2021-08-25 22:13:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34819 to 28503. [2021-08-25 22:13:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28503 states, 28502 states have (on average 1.02708581853905) internal successors, (29274), 28502 states have internal predecessors, (29274), 0 states have call successors, (0), 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 22:13:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28503 states to 28503 states and 29274 transitions. [2021-08-25 22:13:23,554 INFO L78 Accepts]: Start accepts. Automaton has 28503 states and 29274 transitions. Word has length 839 [2021-08-25 22:13:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:23,555 INFO L470 AbstractCegarLoop]: Abstraction has 28503 states and 29274 transitions. [2021-08-25 22:13:23,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 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 22:13:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 28503 states and 29274 transitions. [2021-08-25 22:13:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-08-25 22:13:23,570 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:23,571 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:23,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:13:23,571 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:23,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1796046328, now seen corresponding path program 1 times [2021-08-25 22:13:23,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:23,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256331317] [2021-08-25 22:13:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:23,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1001 proven. 180 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-08-25 22:13:23,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:23,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256331317] [2021-08-25 22:13:23,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256331317] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:23,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55988138] [2021-08-25 22:13:23,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:23,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:23,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:23,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:13:23,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 22:13:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:25,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:25,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1129 proven. 76 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-08-25 22:13:26,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55988138] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:26,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:26,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-08-25 22:13:26,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031891859] [2021-08-25 22:13:26,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:13:26,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:26,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:13:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:13:26,942 INFO L87 Difference]: Start difference. First operand 28503 states and 29274 transitions. Second operand has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 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 22:13:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:31,156 INFO L93 Difference]: Finished difference Result 60295 states and 61926 transitions. [2021-08-25 22:13:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:13:31,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 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 917 [2021-08-25 22:13:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:31,191 INFO L225 Difference]: With dead ends: 60295 [2021-08-25 22:13:31,191 INFO L226 Difference]: Without dead ends: 31794 [2021-08-25 22:13:31,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 923 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 76.9ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-08-25 22:13:31,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31794 states. [2021-08-25 22:13:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31794 to 27899. [2021-08-25 22:13:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27899 states, 27898 states have (on average 1.0262742848949746) internal successors, (28631), 27898 states have internal predecessors, (28631), 0 states have call successors, (0), 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 22:13:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27899 states to 27899 states and 28631 transitions. [2021-08-25 22:13:31,564 INFO L78 Accepts]: Start accepts. Automaton has 27899 states and 28631 transitions. Word has length 917 [2021-08-25 22:13:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:31,564 INFO L470 AbstractCegarLoop]: Abstraction has 27899 states and 28631 transitions. [2021-08-25 22:13:31,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 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 22:13:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27899 states and 28631 transitions. [2021-08-25 22:13:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-08-25 22:13:31,579 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:31,580 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:31,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:31,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:31,781 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1521995444, now seen corresponding path program 1 times [2021-08-25 22:13:31,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:31,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890499801] [2021-08-25 22:13:31,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:31,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 875 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-08-25 22:13:31,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:31,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890499801] [2021-08-25 22:13:31,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890499801] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:31,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:31,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:31,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403978101] [2021-08-25 22:13:31,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:31,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:31,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:31,991 INFO L87 Difference]: Start difference. First operand 27899 states and 28631 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 22:13:33,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:33,607 INFO L93 Difference]: Finished difference Result 62997 states and 64625 transitions. [2021-08-25 22:13:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:33,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 923 [2021-08-25 22:13:33,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:33,640 INFO L225 Difference]: With dead ends: 62997 [2021-08-25 22:13:33,640 INFO L226 Difference]: Without dead ends: 34801 [2021-08-25 22:13:33,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:33,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34801 states. [2021-08-25 22:13:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34801 to 27901. [2021-08-25 22:13:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27900 states have (on average 1.026415770609319) internal successors, (28637), 27900 states have internal predecessors, (28637), 0 states have call successors, (0), 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 22:13:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 28637 transitions. [2021-08-25 22:13:33,945 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 28637 transitions. Word has length 923 [2021-08-25 22:13:33,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:33,946 INFO L470 AbstractCegarLoop]: Abstraction has 27901 states and 28637 transitions. [2021-08-25 22:13:33,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 22:13:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 28637 transitions. [2021-08-25 22:13:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-08-25 22:13:33,967 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:33,968 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:33,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:13:33,968 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1777093391, now seen corresponding path program 1 times [2021-08-25 22:13:33,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:33,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095547889] [2021-08-25 22:13:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:33,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1262 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2021-08-25 22:13:34,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:34,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095547889] [2021-08-25 22:13:34,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095547889] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:34,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:34,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:34,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996600675] [2021-08-25 22:13:34,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:34,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:34,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:34,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:34,270 INFO L87 Difference]: Start difference. First operand 27901 states and 28637 transitions. Second operand has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 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 22:13:35,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:35,816 INFO L93 Difference]: Finished difference Result 58206 states and 59725 transitions. [2021-08-25 22:13:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:35,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 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 1138 [2021-08-25 22:13:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:35,847 INFO L225 Difference]: With dead ends: 58206 [2021-08-25 22:13:35,848 INFO L226 Difference]: Without dead ends: 30307 [2021-08-25 22:13:35,863 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:35,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30307 states. [2021-08-25 22:13:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30307 to 27901. [2021-08-25 22:13:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27900 states have (on average 1.0253405017921147) internal successors, (28607), 27900 states have internal predecessors, (28607), 0 states have call successors, (0), 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 22:13:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 28607 transitions. [2021-08-25 22:13:36,110 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 28607 transitions. Word has length 1138 [2021-08-25 22:13:36,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:36,111 INFO L470 AbstractCegarLoop]: Abstraction has 27901 states and 28607 transitions. [2021-08-25 22:13:36,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 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 22:13:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 28607 transitions. [2021-08-25 22:13:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-08-25 22:13:36,132 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:36,133 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 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, 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, 2, 2, 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] [2021-08-25 22:13:36,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 22:13:36,133 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:36,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2116152035, now seen corresponding path program 1 times [2021-08-25 22:13:36,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:36,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420267591] [2021-08-25 22:13:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:36,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3222 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 2191 trivial. 0 not checked. [2021-08-25 22:13:36,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:36,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420267591] [2021-08-25 22:13:36,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420267591] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:36,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:36,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:36,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742057246] [2021-08-25 22:13:36,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:36,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:36,452 INFO L87 Difference]: Start difference. First operand 27901 states and 28607 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 22:13:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:37,337 INFO L93 Difference]: Finished difference Result 57294 states and 58743 transitions. [2021-08-25 22:13:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:37,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 1169 [2021-08-25 22:13:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:37,362 INFO L225 Difference]: With dead ends: 57294 [2021-08-25 22:13:37,362 INFO L226 Difference]: Without dead ends: 27003 [2021-08-25 22:13:37,375 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 22:13:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27003 states. [2021-08-25 22:13:37,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27003 to 22815. [2021-08-25 22:13:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22815 states, 22814 states have (on average 1.0231436837029895) internal successors, (23342), 22814 states have internal predecessors, (23342), 0 states have call successors, (0), 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 22:13:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22815 states to 22815 states and 23342 transitions. [2021-08-25 22:13:37,578 INFO L78 Accepts]: Start accepts. Automaton has 22815 states and 23342 transitions. Word has length 1169 [2021-08-25 22:13:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:37,578 INFO L470 AbstractCegarLoop]: Abstraction has 22815 states and 23342 transitions. [2021-08-25 22:13:37,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 22:13:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 22815 states and 23342 transitions. [2021-08-25 22:13:37,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1276 [2021-08-25 22:13:37,610 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:37,611 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:37,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:13:37,611 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:37,611 INFO L82 PathProgramCache]: Analyzing trace with hash -487072104, now seen corresponding path program 1 times [2021-08-25 22:13:37,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:37,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482419286] [2021-08-25 22:13:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:37,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2683 backedges. 1931 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2021-08-25 22:13:37,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:37,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482419286] [2021-08-25 22:13:37,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482419286] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:37,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:37,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:37,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407136557] [2021-08-25 22:13:37,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:37,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:37,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:37,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:37,907 INFO L87 Difference]: Start difference. First operand 22815 states and 23342 transitions. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 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 22:13:38,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:38,783 INFO L93 Difference]: Finished difference Result 50716 states and 51906 transitions. [2021-08-25 22:13:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:38,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 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 1275 [2021-08-25 22:13:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:38,807 INFO L225 Difference]: With dead ends: 50716 [2021-08-25 22:13:38,807 INFO L226 Difference]: Without dead ends: 27903 [2021-08-25 22:13:38,821 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 22:13:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27903 states. [2021-08-25 22:13:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27903 to 21013. [2021-08-25 22:13:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21013 states, 21012 states have (on average 1.0227013135351228) internal successors, (21489), 21012 states have internal predecessors, (21489), 0 states have call successors, (0), 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 22:13:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21013 states to 21013 states and 21489 transitions. [2021-08-25 22:13:39,004 INFO L78 Accepts]: Start accepts. Automaton has 21013 states and 21489 transitions. Word has length 1275 [2021-08-25 22:13:39,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:39,004 INFO L470 AbstractCegarLoop]: Abstraction has 21013 states and 21489 transitions. [2021-08-25 22:13:39,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 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 22:13:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 21013 states and 21489 transitions. [2021-08-25 22:13:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2021-08-25 22:13:39,026 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:39,027 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, 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, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:39,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-25 22:13:39,027 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:39,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:39,028 INFO L82 PathProgramCache]: Analyzing trace with hash 356399598, now seen corresponding path program 1 times [2021-08-25 22:13:39,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:39,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083009402] [2021-08-25 22:13:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:39,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 2115 proven. 0 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2021-08-25 22:13:39,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:39,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083009402] [2021-08-25 22:13:39,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083009402] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:39,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:39,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:39,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660792452] [2021-08-25 22:13:39,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:39,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:39,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:39,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:39,338 INFO L87 Difference]: Start difference. First operand 21013 states and 21489 transitions. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 22:13:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:40,130 INFO L93 Difference]: Finished difference Result 45626 states and 46676 transitions. [2021-08-25 22:13:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:40,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 1376 [2021-08-25 22:13:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:40,153 INFO L225 Difference]: With dead ends: 45626 [2021-08-25 22:13:40,153 INFO L226 Difference]: Without dead ends: 24615 [2021-08-25 22:13:40,167 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 22:13:40,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24615 states. [2021-08-25 22:13:40,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24615 to 22219. [2021-08-25 22:13:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22219 states, 22218 states have (on average 1.021694121883158) internal successors, (22700), 22218 states have internal predecessors, (22700), 0 states have call successors, (0), 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 22:13:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 22700 transitions. [2021-08-25 22:13:40,435 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 22700 transitions. Word has length 1376 [2021-08-25 22:13:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:40,436 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 22700 transitions. [2021-08-25 22:13:40,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 22:13:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 22700 transitions. [2021-08-25 22:13:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2021-08-25 22:13:40,465 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:40,465 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 22:13:40,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 22:13:40,466 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:40,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:40,466 INFO L82 PathProgramCache]: Analyzing trace with hash 584317062, now seen corresponding path program 1 times [2021-08-25 22:13:40,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:40,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604905297] [2021-08-25 22:13:40,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:40,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2509 proven. 0 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2021-08-25 22:13:40,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:40,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604905297] [2021-08-25 22:13:40,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604905297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:40,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:40,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:40,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056406600] [2021-08-25 22:13:40,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:40,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:40,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:40,809 INFO L87 Difference]: Start difference. First operand 22219 states and 22700 transitions. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 22:13:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:41,502 INFO L93 Difference]: Finished difference Result 38115 states and 38918 transitions. [2021-08-25 22:13:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:41,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 1377 [2021-08-25 22:13:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:41,514 INFO L225 Difference]: With dead ends: 38115 [2021-08-25 22:13:41,514 INFO L226 Difference]: Without dead ends: 15898 [2021-08-25 22:13:41,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15898 states. [2021-08-25 22:13:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15898 to 14700. [2021-08-25 22:13:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14700 states, 14699 states have (on average 1.0193890740866725) internal successors, (14984), 14699 states have internal predecessors, (14984), 0 states have call successors, (0), 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 22:13:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14700 states to 14700 states and 14984 transitions. [2021-08-25 22:13:41,634 INFO L78 Accepts]: Start accepts. Automaton has 14700 states and 14984 transitions. Word has length 1377 [2021-08-25 22:13:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:41,635 INFO L470 AbstractCegarLoop]: Abstraction has 14700 states and 14984 transitions. [2021-08-25 22:13:41,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 22:13:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 14700 states and 14984 transitions. [2021-08-25 22:13:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2021-08-25 22:13:41,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:41,656 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, 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:41,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-25 22:13:41,656 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:41,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:41,656 INFO L82 PathProgramCache]: Analyzing trace with hash -136716222, now seen corresponding path program 1 times [2021-08-25 22:13:41,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:41,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219478800] [2021-08-25 22:13:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:41,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 2284 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2021-08-25 22:13:41,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:41,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219478800] [2021-08-25 22:13:41,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219478800] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:41,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:41,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:41,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802945201] [2021-08-25 22:13:41,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:41,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:41,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:41,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:41,999 INFO L87 Difference]: Start difference. First operand 14700 states and 14984 transitions. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 22:13:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:42,704 INFO L93 Difference]: Finished difference Result 29095 states and 29664 transitions. [2021-08-25 22:13:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:42,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 1492 [2021-08-25 22:13:42,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:42,705 INFO L225 Difference]: With dead ends: 29095 [2021-08-25 22:13:42,705 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:13:42,712 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 22:13:42,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:13:42,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:13:42,712 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 22:13:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:13:42,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1492 [2021-08-25 22:13:42,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:42,713 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:13:42,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 22:13:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:13:42,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:13:42,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:13:42,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-25 22:13:42,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:13:42,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:42,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:43,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:43,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,792 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,793 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,794 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,795 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,796 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,797 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,798 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,799 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,800 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:51,801 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:13:51,802 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:51,803 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:13:51,804 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,805 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,806 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,807 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,808 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,809 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse22 (<= 44 ~a29~0)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse10 (= ~a2~0 4)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse23 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse4 .cse5 .cse12) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse7 .cse16 .cse6 .cse11 .cse21) (and .cse3 .cse4 .cse22 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse23 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse21) (and .cse13 .cse0 .cse22 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse21) (and .cse1 .cse10 .cse2) (and .cse3 .cse25 .cse4 .cse19) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse21) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse23 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse7 .cse16 (<= (+ ~a29~0 401505) 0) .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,810 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:51,811 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,812 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse21 (<= 44 ~a29~0)) (.cse10 (= ~a2~0 4)) (.cse23 (<= (+ ~a29~0 127) 0)) (.cse22 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse3 .cse4 .cse21 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse22 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse23) (and .cse13 .cse0 .cse21 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse23) (and .cse1 .cse10 .cse2) (and .cse3 .cse4 .cse21 .cse19) (and .cse7 .cse16 .cse11 .cse23) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse23) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse22 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse5 .cse12) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,813 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,814 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,815 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,816 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,817 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,818 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,819 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse21 (<= 44 ~a29~0)) (.cse10 (= ~a2~0 4)) (.cse23 (<= (+ ~a29~0 127) 0)) (.cse22 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse3 .cse4 .cse21 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse22 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse23) (and .cse13 .cse0 .cse21 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse23) (and .cse1 .cse10 .cse2) (and .cse3 .cse4 .cse21 .cse19) (and .cse7 .cse16 .cse11 .cse23) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse23) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse22 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse5 .cse12) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,820 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,821 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,822 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,823 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,824 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:51,825 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:13:51,826 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:13:51,829 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:13:51,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:13:51 BoogieIcfgContainer [2021-08-25 22:13:51,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:13:51,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:13:51,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:13:51,858 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:13:51,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:26" (3/4) ... [2021-08-25 22:13:51,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:13:51,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:13:51,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:13:51,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:51,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:52,019 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:13:52,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:13:52,021 INFO L168 Benchmark]: Toolchain (without parser) took 88568.84 ms. Allocated memory was 67.1 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 42.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 522.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,021 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 67.1 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:13:52,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.81 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 42.3 MB in the beginning and 42.7 MB in the end (delta: -359.2 kB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.16 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 42.7 MB in the beginning and 73.2 MB in the end (delta: -30.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,022 INFO L168 Benchmark]: Boogie Preprocessor took 177.79 ms. Allocated memory is still 125.8 MB. Free memory was 73.2 MB in the beginning and 65.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,022 INFO L168 Benchmark]: RCFGBuilder took 2380.94 ms. Allocated memory was 125.8 MB in the beginning and 228.6 MB in the end (delta: 102.8 MB). Free memory was 65.6 MB in the beginning and 80.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,022 INFO L168 Benchmark]: TraceAbstraction took 84923.62 ms. Allocated memory was 228.6 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 80.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,023 INFO L168 Benchmark]: Witness Printer took 162.03 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:52,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 67.1 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.81 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 42.3 MB in the beginning and 42.7 MB in the end (delta: -359.2 kB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 191.16 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 42.7 MB in the beginning and 73.2 MB in the end (delta: -30.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 177.79 ms. Allocated memory is still 125.8 MB. Free memory was 73.2 MB in the beginning and 65.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2380.94 ms. Allocated memory was 125.8 MB in the beginning and 228.6 MB in the end (delta: 102.8 MB). Free memory was 65.6 MB in the beginning and 80.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 84923.62 ms. Allocated memory was 228.6 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 80.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 162.03 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 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: 203]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84859.4ms, OverallIterations: 28, TraceHistogramMax: 9, EmptinessCheckTime: 302.8ms, AutomataDifference: 49377.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9076.0ms, InitialAbstractionConstructionTime: 28.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9456 SDtfs, 14069 SDslu, 1596 SDs, 0 SdLazy, 47089 SolverSat, 5443 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36425.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4844 GetRequests, 4755 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 449.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28503occurred in iteration=20, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4122.7ms AutomataMinimizationTime, 28 MinimizatonAttempts, 59639 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 246 NumberOfFragments, 2842 HoareAnnotationTreeSize, 4 FomulaSimplifications, 243239 FormulaSimplificationTreeSizeReduction, 1689.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 87549 FormulaSimplificationTreeSizeReductionInter, 7373.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 606.7ms SsaConstructionTime, 1872.0ms SatisfiabilityAnalysisTime, 13586.0ms InterpolantComputationTime, 24685 NumberOfCodeBlocks, 24685 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 24650 ConstructedInterpolants, 0 QuantifiedInterpolants, 58715 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5781 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 35 InterpolantComputations, 25 PerfectInterpolantSequences, 39016/40046 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || (((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || ((((a2 == 1 && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 3 == a2)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || (((0 <= 97 + a0 && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || (((0 <= 97 + a0 && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:13:52,060 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...