./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label39.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/Problem16_label39.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 13f3de8a203c4aa7e6f687d2455e368968fa6d40 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:31:50,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:31:50,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:31:50,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:31:50,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:31:50,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:31:50,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:31:50,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:31:50,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:31:50,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:31:50,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:31:50,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:31:50,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:31:50,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:31:50,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:31:50,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:31:50,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:31:50,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:31:50,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:31:50,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:31:50,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:31:50,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:31:50,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:31:50,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:31:50,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:31:50,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:31:50,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:31:50,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:31:50,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:31:50,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:31:50,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:31:50,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:31:50,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:31:50,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:31:50,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:31:50,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:31:50,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:31:50,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:31:50,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:31:50,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:31:50,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:31:50,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:31:50,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:31:50,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:31:50,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:31:50,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:31:50,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:31:50,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:31:50,539 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:31:50,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:31:50,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:31:50,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:31:50,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:31:50,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:31:50,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:31:50,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:31:50,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:31:50,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:31:50,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:31:50,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:31:50,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f3de8a203c4aa7e6f687d2455e368968fa6d40 [2021-08-25 22:31:50,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:31:50,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:31:50,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:31:50,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:31:50,779 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:31:50,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label39.c [2021-08-25 22:31:50,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336ffe42e/d3c3dce0263544c487efa3af860e3967/FLAGa88792264 [2021-08-25 22:31:51,369 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:31:51,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label39.c [2021-08-25 22:31:51,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336ffe42e/d3c3dce0263544c487efa3af860e3967/FLAGa88792264 [2021-08-25 22:31:51,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336ffe42e/d3c3dce0263544c487efa3af860e3967 [2021-08-25 22:31:51,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:31:51,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:31:51,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:31:51,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:31:51,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:31:51,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:31:51" (1/1) ... [2021-08-25 22:31:51,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f3f93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:51, skipping insertion in model container [2021-08-25 22:31:51,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:31:51" (1/1) ... [2021-08-25 22:31:51,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:31:51,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:31:52,172 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/Problem16_label39.c[5211,5224] [2021-08-25 22:31:52,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:31:52,440 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:31:52,455 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/Problem16_label39.c[5211,5224] [2021-08-25 22:31:52,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:31:52,639 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:31:52,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52 WrapperNode [2021-08-25 22:31:52,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:31:52,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:31:52,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:31:52,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:31:52,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:31:52,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:31:52,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:31:52,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:31:52,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:31:52,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:31:52,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:31:52,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:31:52,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (1/1) ... [2021-08-25 22:31:52,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:31:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:31:52,981 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 22:31:52,987 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 22:31:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:31:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:31:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:31:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:31:54,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:31:54,628 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:31:54,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:31:54 BoogieIcfgContainer [2021-08-25 22:31:54,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:31:54,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:31:54,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:31:54,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:31:54,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:31:51" (1/3) ... [2021-08-25 22:31:54,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c804e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:31:54, skipping insertion in model container [2021-08-25 22:31:54,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:31:52" (2/3) ... [2021-08-25 22:31:54,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c804e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:31:54, skipping insertion in model container [2021-08-25 22:31:54,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:31:54" (3/3) ... [2021-08-25 22:31:54,635 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label39.c [2021-08-25 22:31:54,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:31:54,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:31:54,666 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:31:54,671 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 22:31:54,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:31:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-25 22:31:54,691 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:54,691 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] [2021-08-25 22:31:54,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:54,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:54,695 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2021-08-25 22:31:54,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:54,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669527927] [2021-08-25 22:31:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:54,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:54,887 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 22:31:54,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:54,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669527927] [2021-08-25 22:31:54,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669527927] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:54,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:54,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:54,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114283391] [2021-08-25 22:31:54,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:54,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:54,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:54,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:54,907 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:56,353 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-08-25 22:31:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:56,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2021-08-25 22:31:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:56,365 INFO L225 Difference]: With dead ends: 1122 [2021-08-25 22:31:56,365 INFO L226 Difference]: Without dead ends: 662 [2021-08-25 22:31:56,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-25 22:31:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-25 22:31:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.5824508320726172) internal successors, (1046), 661 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2021-08-25 22:31:56,412 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 49 [2021-08-25 22:31:56,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:56,412 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2021-08-25 22:31:56,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2021-08-25 22:31:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-08-25 22:31:56,415 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:56,415 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, 1, 1, 1, 1, 1, 1, 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 22:31:56,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:31:56,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:56,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:56,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2012615357, now seen corresponding path program 1 times [2021-08-25 22:31:56,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:56,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727236348] [2021-08-25 22:31:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:56,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:56,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:56,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727236348] [2021-08-25 22:31:56,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727236348] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:56,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:56,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:56,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091101123] [2021-08-25 22:31:56,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:56,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:56,499 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:57,597 INFO L93 Difference]: Finished difference Result 1651 states and 2539 transitions. [2021-08-25 22:31:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:57,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-08-25 22:31:57,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:57,601 INFO L225 Difference]: With dead ends: 1651 [2021-08-25 22:31:57,601 INFO L226 Difference]: Without dead ends: 991 [2021-08-25 22:31:57,603 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-08-25 22:31:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-08-25 22:31:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.3767676767676769) internal successors, (1363), 990 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1363 transitions. [2021-08-25 22:31:57,622 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1363 transitions. Word has length 120 [2021-08-25 22:31:57,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:57,622 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1363 transitions. [2021-08-25 22:31:57,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1363 transitions. [2021-08-25 22:31:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-25 22:31:57,625 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:57,625 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, 1, 1, 1, 1, 1, 1, 1, 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 22:31:57,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:31:57,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:57,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:57,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1442642056, now seen corresponding path program 1 times [2021-08-25 22:31:57,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:57,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022115716] [2021-08-25 22:31:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:57,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:57,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:57,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022115716] [2021-08-25 22:31:57,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022115716] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:57,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:57,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:57,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232571770] [2021-08-25 22:31:57,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:57,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:57,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:57,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:57,690 INFO L87 Difference]: Start difference. First operand 991 states and 1363 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:58,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:58,968 INFO L93 Difference]: Finished difference Result 2967 states and 4084 transitions. [2021-08-25 22:31:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:58,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2021-08-25 22:31:58,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:58,974 INFO L225 Difference]: With dead ends: 2967 [2021-08-25 22:31:58,974 INFO L226 Difference]: Without dead ends: 1978 [2021-08-25 22:31:58,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:31:58,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-08-25 22:31:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-08-25 22:31:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.2468386444107233) internal successors, (2465), 1977 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2465 transitions. [2021-08-25 22:31:58,998 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2465 transitions. Word has length 121 [2021-08-25 22:31:58,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:58,999 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2465 transitions. [2021-08-25 22:31:58,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2465 transitions. [2021-08-25 22:31:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-08-25 22:31:59,000 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:59,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:59,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:31:59,001 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:59,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:59,001 INFO L82 PathProgramCache]: Analyzing trace with hash 511251051, now seen corresponding path program 1 times [2021-08-25 22:31:59,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:59,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061515213] [2021-08-25 22:31:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:59,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:59,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:59,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061515213] [2021-08-25 22:31:59,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061515213] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:59,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:59,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:59,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680625227] [2021-08-25 22:31:59,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:59,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:59,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:59,055 INFO L87 Difference]: Start difference. First operand 1978 states and 2465 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:00,160 INFO L93 Difference]: Finished difference Result 4612 states and 5852 transitions. [2021-08-25 22:32:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:00,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-08-25 22:32:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:00,168 INFO L225 Difference]: With dead ends: 4612 [2021-08-25 22:32:00,169 INFO L226 Difference]: Without dead ends: 2636 [2021-08-25 22:32:00,171 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 22:32:00,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-08-25 22:32:00,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-08-25 22:32:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.21707779886148) internal successors, (3207), 2635 states have internal predecessors, (3207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3207 transitions. [2021-08-25 22:32:00,206 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3207 transitions. Word has length 136 [2021-08-25 22:32:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:00,207 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3207 transitions. [2021-08-25 22:32:00,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3207 transitions. [2021-08-25 22:32:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-08-25 22:32:00,213 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:00,213 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:32:00,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:32:00,213 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1734192905, now seen corresponding path program 1 times [2021-08-25 22:32:00,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:00,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248689807] [2021-08-25 22:32:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:00,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-08-25 22:32:00,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:00,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248689807] [2021-08-25 22:32:00,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248689807] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:00,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:00,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:32:00,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542270739] [2021-08-25 22:32:00,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:00,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:00,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:00,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:00,376 INFO L87 Difference]: Start difference. First operand 2636 states and 3207 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:01,504 INFO L93 Difference]: Finished difference Result 6586 states and 8078 transitions. [2021-08-25 22:32:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:01,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 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 321 [2021-08-25 22:32:01,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:01,516 INFO L225 Difference]: With dead ends: 6586 [2021-08-25 22:32:01,516 INFO L226 Difference]: Without dead ends: 3294 [2021-08-25 22:32:01,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:32:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-08-25 22:32:01,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-08-25 22:32:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.0652900091102337) internal successors, (3508), 3293 states have internal predecessors, (3508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3508 transitions. [2021-08-25 22:32:01,553 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3508 transitions. Word has length 321 [2021-08-25 22:32:01,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:01,554 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 3508 transitions. [2021-08-25 22:32:01,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3508 transitions. [2021-08-25 22:32:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-08-25 22:32:01,559 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:01,560 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 22:32:01,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:32:01,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 30608101, now seen corresponding path program 1 times [2021-08-25 22:32:01,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:01,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851009430] [2021-08-25 22:32:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:01,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-08-25 22:32:01,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:01,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851009430] [2021-08-25 22:32:01,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851009430] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:01,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:01,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:32:01,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831458407] [2021-08-25 22:32:01,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:01,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:01,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:01,662 INFO L87 Difference]: Start difference. First operand 3294 states and 3508 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:02,607 INFO L93 Difference]: Finished difference Result 9547 states and 10184 transitions. [2021-08-25 22:32:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 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 487 [2021-08-25 22:32:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:02,638 INFO L225 Difference]: With dead ends: 9547 [2021-08-25 22:32:02,639 INFO L226 Difference]: Without dead ends: 6255 [2021-08-25 22:32:02,646 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:32:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2021-08-25 22:32:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6255. [2021-08-25 22:32:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0606012152222577) internal successors, (6633), 6254 states have internal predecessors, (6633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6633 transitions. [2021-08-25 22:32:02,800 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6633 transitions. Word has length 487 [2021-08-25 22:32:02,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:02,800 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6633 transitions. [2021-08-25 22:32:02,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6633 transitions. [2021-08-25 22:32:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-08-25 22:32:02,821 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:02,822 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:02,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:32:02,822 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:02,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:02,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2027790642, now seen corresponding path program 1 times [2021-08-25 22:32:02,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:02,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939577840] [2021-08-25 22:32:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:02,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-08-25 22:32:03,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:03,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939577840] [2021-08-25 22:32:03,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939577840] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:03,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:03,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:03,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749485932] [2021-08-25 22:32:03,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:32:03,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:03,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:32:03,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:32:03,114 INFO L87 Difference]: Start difference. First operand 6255 states and 6633 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:04,014 INFO L93 Difference]: Finished difference Result 12232 states and 12985 transitions. [2021-08-25 22:32:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:32:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 511 [2021-08-25 22:32:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:04,028 INFO L225 Difference]: With dead ends: 12232 [2021-08-25 22:32:04,029 INFO L226 Difference]: Without dead ends: 6308 [2021-08-25 22:32:04,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:32:04,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2021-08-25 22:32:04,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 6255. [2021-08-25 22:32:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0604413175567637) internal successors, (6632), 6254 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6632 transitions. [2021-08-25 22:32:04,107 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6632 transitions. Word has length 511 [2021-08-25 22:32:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:04,108 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6632 transitions. [2021-08-25 22:32:04,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6632 transitions. [2021-08-25 22:32:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-08-25 22:32:04,117 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:04,118 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 22:32:04,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:32:04,118 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:04,121 INFO L82 PathProgramCache]: Analyzing trace with hash -767949954, now seen corresponding path program 1 times [2021-08-25 22:32:04,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:04,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902143660] [2021-08-25 22:32:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:04,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-08-25 22:32:04,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:04,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902143660] [2021-08-25 22:32:04,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902143660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:04,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:04,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:04,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688283974] [2021-08-25 22:32:04,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:32:04,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:04,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:32:04,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:32:04,356 INFO L87 Difference]: Start difference. First operand 6255 states and 6632 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:05,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:05,742 INFO L93 Difference]: Finished difference Result 16785 states and 17898 transitions. [2021-08-25 22:32:05,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:32:05,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 22:32:05,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:05,773 INFO L225 Difference]: With dead ends: 16785 [2021-08-25 22:32:05,773 INFO L226 Difference]: Without dead ends: 10861 [2021-08-25 22:32:05,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:32:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2021-08-25 22:32:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 9874. [2021-08-25 22:32:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9874 states, 9873 states have (on average 1.0590499341638813) internal successors, (10456), 9873 states have internal predecessors, (10456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10456 transitions. [2021-08-25 22:32:05,914 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10456 transitions. Word has length 626 [2021-08-25 22:32:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:05,915 INFO L470 AbstractCegarLoop]: Abstraction has 9874 states and 10456 transitions. [2021-08-25 22:32:05,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10456 transitions. [2021-08-25 22:32:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-08-25 22:32:05,925 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:05,925 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:05,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:32:05,925 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:05,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:05,926 INFO L82 PathProgramCache]: Analyzing trace with hash -15487491, now seen corresponding path program 1 times [2021-08-25 22:32:05,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:05,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470268093] [2021-08-25 22:32:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:05,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-08-25 22:32:06,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:06,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470268093] [2021-08-25 22:32:06,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470268093] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:06,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:06,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:06,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232119021] [2021-08-25 22:32:06,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:06,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:06,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:06,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:06,076 INFO L87 Difference]: Start difference. First operand 9874 states and 10456 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:07,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:07,008 INFO L93 Difference]: Finished difference Result 23036 states and 24564 transitions. [2021-08-25 22:32:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:07,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 22:32:07,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:07,025 INFO L225 Difference]: With dead ends: 23036 [2021-08-25 22:32:07,025 INFO L226 Difference]: Without dead ends: 13822 [2021-08-25 22:32:07,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:07,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-08-25 22:32:07,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-08-25 22:32:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.062730627306273) internal successors, (14688), 13821 states have internal predecessors, (14688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14688 transitions. [2021-08-25 22:32:07,174 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14688 transitions. Word has length 730 [2021-08-25 22:32:07,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:07,175 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14688 transitions. [2021-08-25 22:32:07,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14688 transitions. [2021-08-25 22:32:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2021-08-25 22:32:07,190 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:07,190 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:07,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:32:07,190 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1134174187, now seen corresponding path program 1 times [2021-08-25 22:32:07,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:07,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127399921] [2021-08-25 22:32:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:07,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1335 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2021-08-25 22:32:07,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:07,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127399921] [2021-08-25 22:32:07,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127399921] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:07,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:07,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:07,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184443634] [2021-08-25 22:32:07,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:32:07,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:32:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:32:07,459 INFO L87 Difference]: Start difference. First operand 13822 states and 14688 transitions. Second operand has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:08,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:08,484 INFO L93 Difference]: Finished difference Result 26984 states and 28707 transitions. [2021-08-25 22:32:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:08,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 987 [2021-08-25 22:32:08,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:08,519 INFO L225 Difference]: With dead ends: 26984 [2021-08-25 22:32:08,529 INFO L226 Difference]: Without dead ends: 13822 [2021-08-25 22:32:08,556 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:32:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-08-25 22:32:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-08-25 22:32:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0625135663121337) internal successors, (14685), 13821 states have internal predecessors, (14685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14685 transitions. [2021-08-25 22:32:08,748 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14685 transitions. Word has length 987 [2021-08-25 22:32:08,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:08,748 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14685 transitions. [2021-08-25 22:32:08,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14685 transitions. [2021-08-25 22:32:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2021-08-25 22:32:08,806 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:08,807 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 22:32:08,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:32:08,807 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:08,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1667527837, now seen corresponding path program 1 times [2021-08-25 22:32:08,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:08,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391855277] [2021-08-25 22:32:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:08,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 1695 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-08-25 22:32:09,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:09,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391855277] [2021-08-25 22:32:09,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391855277] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:09,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:09,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:09,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163472294] [2021-08-25 22:32:09,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:09,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:09,049 INFO L87 Difference]: Start difference. First operand 13822 states and 14685 transitions. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:10,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:10,077 INFO L93 Difference]: Finished difference Result 29616 states and 31583 transitions. [2021-08-25 22:32:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:10,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 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 1048 [2021-08-25 22:32:10,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:10,116 INFO L225 Difference]: With dead ends: 29616 [2021-08-25 22:32:10,116 INFO L226 Difference]: Without dead ends: 16454 [2021-08-25 22:32:10,122 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 22:32:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-08-25 22:32:10,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15796. [2021-08-25 22:32:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0509021842355175) internal successors, (16599), 15795 states have internal predecessors, (16599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16599 transitions. [2021-08-25 22:32:10,392 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16599 transitions. Word has length 1048 [2021-08-25 22:32:10,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:10,392 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16599 transitions. [2021-08-25 22:32:10,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16599 transitions. [2021-08-25 22:32:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1050 [2021-08-25 22:32:10,414 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:10,414 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 22:32:10,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:32:10,415 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1684973050, now seen corresponding path program 1 times [2021-08-25 22:32:10,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:10,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885490419] [2021-08-25 22:32:10,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:10,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 1453 proven. 0 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2021-08-25 22:32:10,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:10,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885490419] [2021-08-25 22:32:10,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885490419] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:10,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:10,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:10,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724219605] [2021-08-25 22:32:10,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:10,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:10,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:10,640 INFO L87 Difference]: Start difference. First operand 15796 states and 16599 transitions. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:11,710 INFO L93 Difference]: Finished difference Result 32248 states and 33926 transitions. [2021-08-25 22:32:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:11,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 1049 [2021-08-25 22:32:11,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:11,735 INFO L225 Difference]: With dead ends: 32248 [2021-08-25 22:32:11,735 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:32:11,749 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 22:32:11,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:32:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16454. [2021-08-25 22:32:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0432747827143987) internal successors, (17165), 16453 states have internal predecessors, (17165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17165 transitions. [2021-08-25 22:32:11,905 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17165 transitions. Word has length 1049 [2021-08-25 22:32:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:11,906 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 17165 transitions. [2021-08-25 22:32:11,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17165 transitions. [2021-08-25 22:32:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1079 [2021-08-25 22:32:11,922 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:11,922 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, 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, 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, 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, 1, 1, 1, 1] [2021-08-25 22:32:11,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:32:11,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:11,923 INFO L82 PathProgramCache]: Analyzing trace with hash -823338781, now seen corresponding path program 1 times [2021-08-25 22:32:11,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:11,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028649923] [2021-08-25 22:32:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:11,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 1797 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2021-08-25 22:32:12,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:12,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028649923] [2021-08-25 22:32:12,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028649923] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:12,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:12,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:12,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062363815] [2021-08-25 22:32:12,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:12,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:12,163 INFO L87 Difference]: Start difference. First operand 16454 states and 17165 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:13,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:13,133 INFO L93 Difference]: Finished difference Result 32248 states and 33664 transitions. [2021-08-25 22:32:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:13,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1078 [2021-08-25 22:32:13,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:13,155 INFO L225 Difference]: With dead ends: 32248 [2021-08-25 22:32:13,155 INFO L226 Difference]: Without dead ends: 16454 [2021-08-25 22:32:13,166 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 22:32:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-08-25 22:32:13,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-08-25 22:32:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0326221781195732) internal successors, (16650), 16124 states have internal predecessors, (16650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16650 transitions. [2021-08-25 22:32:13,301 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16650 transitions. Word has length 1078 [2021-08-25 22:32:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:13,301 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16650 transitions. [2021-08-25 22:32:13,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16650 transitions. [2021-08-25 22:32:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2021-08-25 22:32:13,319 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:13,321 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:13,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:32:13,321 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:13,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1479829323, now seen corresponding path program 1 times [2021-08-25 22:32:13,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:13,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966828418] [2021-08-25 22:32:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:13,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-08-25 22:32:13,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:13,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966828418] [2021-08-25 22:32:13,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966828418] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:13,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:13,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:13,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942908071] [2021-08-25 22:32:13,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:13,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:13,588 INFO L87 Difference]: Start difference. First operand 16125 states and 16650 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:14,425 INFO L93 Difference]: Finished difference Result 31919 states and 32967 transitions. [2021-08-25 22:32:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 1088 [2021-08-25 22:32:14,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:14,444 INFO L225 Difference]: With dead ends: 31919 [2021-08-25 22:32:14,444 INFO L226 Difference]: Without dead ends: 16125 [2021-08-25 22:32:14,454 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 22:32:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-08-25 22:32:14,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2021-08-25 22:32:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0278029225397647) internal successors, (15896), 15466 states have internal predecessors, (15896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15896 transitions. [2021-08-25 22:32:14,571 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15896 transitions. Word has length 1088 [2021-08-25 22:32:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:14,572 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15896 transitions. [2021-08-25 22:32:14,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15896 transitions. [2021-08-25 22:32:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2021-08-25 22:32:14,589 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:14,590 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:14,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:32:14,590 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:14,591 INFO L82 PathProgramCache]: Analyzing trace with hash -337553848, now seen corresponding path program 1 times [2021-08-25 22:32:14,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:14,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450450778] [2021-08-25 22:32:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:14,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-08-25 22:32:14,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:14,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450450778] [2021-08-25 22:32:14,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450450778] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:14,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:14,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:14,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449099226] [2021-08-25 22:32:14,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:14,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:14,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:14,836 INFO L87 Difference]: Start difference. First operand 15467 states and 15896 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:15,521 INFO L93 Difference]: Finished difference Result 33564 states and 34579 transitions. [2021-08-25 22:32:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:15,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 1136 [2021-08-25 22:32:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:15,536 INFO L225 Difference]: With dead ends: 33564 [2021-08-25 22:32:15,536 INFO L226 Difference]: Without dead ends: 16454 [2021-08-25 22:32:15,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-08-25 22:32:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 14151. [2021-08-25 22:32:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0253003533568905) internal successors, (14508), 14150 states have internal predecessors, (14508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14508 transitions. [2021-08-25 22:32:15,658 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14508 transitions. Word has length 1136 [2021-08-25 22:32:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:15,659 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14508 transitions. [2021-08-25 22:32:15,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14508 transitions. [2021-08-25 22:32:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1628 [2021-08-25 22:32:15,683 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:15,684 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:15,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:32:15,684 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:15,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 292163322, now seen corresponding path program 1 times [2021-08-25 22:32:15,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:15,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320286480] [2021-08-25 22:32:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:15,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4267 backedges. 2478 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-08-25 22:32:16,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:16,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320286480] [2021-08-25 22:32:16,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320286480] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:16,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:16,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:16,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110773121] [2021-08-25 22:32:16,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:16,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:16,276 INFO L87 Difference]: Start difference. First operand 14151 states and 14508 transitions. Second operand has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:17,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:17,079 INFO L93 Difference]: Finished difference Result 27642 states and 28352 transitions. [2021-08-25 22:32:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:17,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 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 1627 [2021-08-25 22:32:17,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:17,090 INFO L225 Difference]: With dead ends: 27642 [2021-08-25 22:32:17,091 INFO L226 Difference]: Without dead ends: 14151 [2021-08-25 22:32:17,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-08-25 22:32:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-08-25 22:32:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.023050696709161) internal successors, (13803), 13492 states have internal predecessors, (13803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13803 transitions. [2021-08-25 22:32:17,198 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13803 transitions. Word has length 1627 [2021-08-25 22:32:17,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:17,199 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 13803 transitions. [2021-08-25 22:32:17,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13803 transitions. [2021-08-25 22:32:17,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2021-08-25 22:32:17,220 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:32:17,221 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:17,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:32:17,221 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:32:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:32:17,222 INFO L82 PathProgramCache]: Analyzing trace with hash 30813575, now seen corresponding path program 1 times [2021-08-25 22:32:17,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:32:17,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531794809] [2021-08-25 22:32:17,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:32:17,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:32:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:32:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 3048 proven. 0 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2021-08-25 22:32:17,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:32:17,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531794809] [2021-08-25 22:32:17,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531794809] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:32:17,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:32:17,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:32:17,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209229397] [2021-08-25 22:32:17,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:32:17,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:32:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:32:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:32:17,806 INFO L87 Difference]: Start difference. First operand 13493 states and 13803 transitions. Second operand has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:18,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:32:18,599 INFO L93 Difference]: Finished difference Result 26324 states and 26941 transitions. [2021-08-25 22:32:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:32:18,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 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 1675 [2021-08-25 22:32:18,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:32:18,600 INFO L225 Difference]: With dead ends: 26324 [2021-08-25 22:32:18,601 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:32:18,608 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 22:32:18,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:32:18,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:32:18,609 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 22:32:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:32:18,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1675 [2021-08-25 22:32:18,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:32:18,610 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:32:18,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:32:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:32:18,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:32:18,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:32:18,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:32:18,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:32:18,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:32:18,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:32:18,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:32:18,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:32:19,906 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,906 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,906 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,906 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,906 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,907 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,908 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,909 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,910 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,911 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,912 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:32:19,913 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse6 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse0 (<= 0 (+ 87 ~a18~0))) (.cse4 (<= ~a12~0 6)) (.cse3 (<= ~a16~0 11)) (.cse7 (<= ~a16~0 8)) (.cse11 (= 7 ~a12~0)) (.cse1 (= ~a12~0 9)) (.cse9 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse10 (<= 11 ~a16~0)) (.cse5 (= ~a16~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse1 .cse5 .cse6) (and .cse7 .cse1) (and .cse7 .cse8) (and .cse5 .cse8) (and .cse9 .cse3 .cse6) (and .cse2 .cse8) (and .cse2 .cse10 .cse11) (and .cse0 .cse2 .cse3 .cse11) (and .cse7 .cse2) (and .cse4 .cse3 (<= 6 ~a12~0)) (and .cse7 .cse11) (and .cse1 .cse2 .cse10) (and .cse9 .cse2 .cse10) (and .cse5 (<= ~a12~0 7)))) [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,914 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,915 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,916 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,917 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:32:19,918 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse5 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 8)) (.cse2 (<= ~a12~0 6)) (.cse10 (<= ~a16~0 11)) (.cse6 (<= ~a16~0 8)) (.cse8 (= 7 ~a12~0)) (.cse3 (= ~a12~0 9)) (.cse9 (<= ~a12~0 5)) (.cse1 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0)) (.cse4 (= ~a16~0 9))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse3) (and .cse6 .cse7) (and .cse0 .cse1 .cse8) (and .cse0 .cse3 .cse1) (and .cse4 .cse7) (and .cse9 .cse10 .cse5) (and .cse1 .cse7) (and .cse1 .cse11 .cse8) (and .cse6 .cse1) (and .cse2 .cse10 (<= 6 ~a12~0)) (and .cse6 .cse8) (and .cse3 .cse1 .cse11) (and .cse9 .cse1 .cse11) (and .cse4 (<= ~a12~0 7)))) [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,919 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,920 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,921 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:32:19,922 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,923 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:32:19,924 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 164) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse6 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse0 (<= 0 (+ 87 ~a18~0))) (.cse4 (<= ~a12~0 6)) (.cse3 (<= ~a16~0 11)) (.cse7 (<= ~a16~0 8)) (.cse11 (= 7 ~a12~0)) (.cse1 (= ~a12~0 9)) (.cse9 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse10 (<= 11 ~a16~0)) (.cse5 (= ~a16~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse1 .cse5 .cse6) (and .cse7 .cse1) (and .cse7 .cse8) (and .cse5 .cse8) (and .cse9 .cse3 .cse6) (and .cse2 .cse8) (and .cse2 .cse10 .cse11) (and .cse0 .cse2 .cse3 .cse11) (and .cse7 .cse2) (and .cse4 .cse3 (<= 6 ~a12~0)) (and .cse7 .cse11) (and .cse1 .cse2 .cse10) (and .cse9 .cse2 .cse10) (and .cse5 (<= ~a12~0 7)))) [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,925 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,926 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,927 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,928 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,929 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,929 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,929 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,929 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,930 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,931 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:32:19,932 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:32:19,932 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,932 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,932 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,932 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,933 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,933 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,933 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,933 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,933 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,934 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,934 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,934 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,935 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,936 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,937 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:32:19,938 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,939 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,940 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,941 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,942 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,943 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,944 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,945 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:32:19,946 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,947 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:32:19,948 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:32:19,952 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:32:19,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:32:19 BoogieIcfgContainer [2021-08-25 22:32:19,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:32:19,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:32:19,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:32:19,970 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:32:19,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:31:54" (3/4) ... [2021-08-25 22:32:19,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:32:19,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:32:19,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:32:19,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:32:19,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:32:20,113 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:32:20,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:32:20,114 INFO L168 Benchmark]: Toolchain (without parser) took 28245.52 ms. Allocated memory was 65.0 MB in the beginning and 1.0 GB in the end (delta: 971.0 MB). Free memory was 40.8 MB in the beginning and 841.7 MB in the end (delta: -800.9 MB). Peak memory consumption was 169.8 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,114 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:32:20,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.46 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 52.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.15 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 44.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,115 INFO L168 Benchmark]: Boogie Preprocessor took 147.01 ms. Allocated memory is still 86.0 MB. Free memory was 44.2 MB in the beginning and 40.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,115 INFO L168 Benchmark]: RCFGBuilder took 1673.40 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 40.2 MB in the beginning and 62.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,116 INFO L168 Benchmark]: TraceAbstraction took 25339.33 ms. Allocated memory was 159.4 MB in the beginning and 1.0 GB in the end (delta: 876.6 MB). Free memory was 61.7 MB in the beginning and 879.8 MB in the end (delta: -818.1 MB). Peak memory consumption was 594.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,116 INFO L168 Benchmark]: Witness Printer took 143.02 ms. Allocated memory is still 1.0 GB. Free memory was 879.8 MB in the beginning and 841.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:32:20,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 772.46 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 52.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 165.15 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 44.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.01 ms. Allocated memory is still 86.0 MB. Free memory was 44.2 MB in the beginning and 40.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1673.40 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 40.2 MB in the beginning and 62.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25339.33 ms. Allocated memory was 159.4 MB in the beginning and 1.0 GB in the end (delta: 876.6 MB). Free memory was 61.7 MB in the beginning and 879.8 MB in the end (delta: -818.1 MB). Peak memory consumption was 594.3 MB. Max. memory is 16.1 GB. * Witness Printer took 143.02 ms. Allocated memory is still 1.0 GB. Free memory was 879.8 MB in the beginning and 841.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 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: 164]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25286.5ms, OverallIterations: 17, TraceHistogramMax: 10, EmptinessCheckTime: 251.3ms, AutomataDifference: 17890.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1292.8ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4347 SDtfs, 4285 SDslu, 157 SDs, 0 SdLazy, 14228 SolverSat, 2377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12765.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16454occurred in iteration=12, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1714.5ms AutomataMinimizationTime, 17 MinimizatonAttempts, 6304 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 156 NumberOfFragments, 451 HoareAnnotationTreeSize, 4 FomulaSimplifications, 4583 FormulaSimplificationTreeSizeReduction, 117.9ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 1932 FormulaSimplificationTreeSizeReductionInter, 1166.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 273.0ms SsaConstructionTime, 675.7ms SatisfiabilityAnalysisTime, 2833.6ms InterpolantComputationTime, 12789 NumberOfCodeBlocks, 12789 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 12772 ConstructedInterpolants, 0 QuantifiedInterpolants, 29071 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 28689/28689 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (a16 <= 8 && a12 == 8)) || ((0 <= 87 + a18 && a15 <= 3) && 7 == a12)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a15 <= 3 && a12 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((0 <= 87 + a18 && a12 == 9) && a15 <= 3) && a16 <= 11) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (a16 <= 8 && a12 == 8)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a15 <= 3 && a12 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((0 <= 87 + a18 && a12 == 9) && a15 <= 3) && a16 <= 11) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (a16 <= 8 && a12 == 8)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a15 <= 3 && a12 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 22:32:20,139 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...